chemistry Crossword Puzzles
Chemistry Vocab 2020-10-21
Across
- shows the types and numbers of atoms combined inna single molecule of a molecular compound
- ability of a substance to turn into a thin sheet
- result sharing of electron pairs between tow atoms
- neutral group of atoms that are held together by covalent bonds
- an electron-configuration notation in which only the valance electrons of an atom of a particular element are shown, indicated by dots placed around the elements symbols
- chemical bond resulting from attraction between cations and anions
- tells the kind, number, arrangement, and bonds but not the unshared pairs of the atoms in a molecule
- energy required to break a chemical bond and form neutral isolated atoms
- mutual attraction between the nuclei and valance electrons of different atoms that bind them
- bonded atoms have an unequal attraction for the shared electrons
- ability of a substance to be turned into a wire
- bonding electrons equally shared by bonded atoms, balanced electrical charge
Down
- indicates the relative numbers of the atoms of each kind in a chemical compound by using atomic symbols and numerical subscripts
- energy released when one mole of an ionic crystalline compound is formed from gaseous ions
- bonding that results in attraction between metal atoms and surrounding electrons
- composed of positive and negative ions that are combined so that the #'s of positive and negative charges are equal
- multiple covalent bonds
- uneven distribution of charge
- formulas in which atomic symbols represent nuclei and inner-shell electrons, dot-pairs, or dashes between two atomic symbols represent electron pairs in covalent bond sand dots adjacent to only one atomic symbol represent unshared electrons
- charged group of covalently bonded atoms
- bonding in molecules or ions that cannot be correctly represented by a single lewis structure
- chemical compound whose simplest units are molecules
- simplest collection of atoms from which an ionic compounds formula can be written
- covalent bond that shares a pair of electrons
24 Clues: multiple covalent bonds • uneven distribution of charge • charged group of covalently bonded atoms • covalent bond that shares a pair of electrons • ability of a substance to be turned into a wire • ability of a substance to turn into a thin sheet • result sharing of electron pairs between tow atoms • chemical compound whose simplest units are molecules • ...
Chemistry Crossword 2020-10-18
Across
- The transition from a solid to a liquid
- Can be a compound or just the atoms of one element.(two words with a dash in between).
- It's suspended, or... a colloid.
- The topic of this crossword
- A different amount of atoms chemically bonded to form a particle-like substance
- A state of matter where the atoms have so much energy and it is so hot that the atoms kind of split apart
- The state of matter where atoms have a lot of energy and move around freely with almost no chemical bonds. It can be squished
- The transition from a liquid to a gas
- The state of matter where atoms have quite a bit of energy and the chemical bonds are kind of weak. It cannot be squished.
- Mixtures, they can be separated and they are NOT compounds and stuff like that.
- The dissolver, usually a liquid
Down
- What's the SOLUTION?
- A type of change in a substance that cannot be reversed (e.g., cooking an egg)
- The transition from a gas to a solid
- You need to mix it. It can be a solution or a suspension or a colloid.
- A type of change that can be reversed (e.g., melting ice)
- The dissolved, usually a solid
- It's cloudy, and scatters light. It stays like that for a long time.
- The transition from a solid to a gas
- The transition from a liquid to a solid
- The building blocks of the universe. There are many different types.
- The state of matter where atoms do not have much energy and have strong chemical bonds. It cannot be squished
- The transition from a gas to a liquid
- It helps us explain how particles move and why they behave in different ways in different substances. (two words with a dash in between).
- Different types of atoms can be classified into different --------. (Periodic table)
- It takes up mass and volume and is basically everything in the universe that makes sense to me.
26 Clues: What's the SOLUTION? • The topic of this crossword • The dissolved, usually a solid • The dissolver, usually a liquid • It's suspended, or... a colloid. • The transition from a gas to a solid • The transition from a solid to a gas • The transition from a gas to a liquid • The transition from a liquid to a gas • The transition from a solid to a liquid • ...
GENERAL CHEMISTRY 2020-04-26
Across
- Particles in a atom with a negative charge.
- The 24th element on the Periodic table of elements.
- Group of element that readily forms positive ions(cations) and has metallic bonds.
- The 44th element on the Periodic table of elements.
- Change A change of one substance to another.
- The resistance to flow by a fluid.
- The point in temperature when the liquid starts to boil.
- Type of mixture with particles that are larger than those in solutions, but not heavy enough to settle out.
- Substance formed when two or more chemical elements are chemically bonded together.
- Liquid to Gas.
- Gas to Solid.
- The basic building block for all matter in the universe.
- Solid to Gas.
- Anything that has mass and takes up space and has volume.
- Type of mixture that has no uniform composition.
- The 66th element on the Periodic table of elements.
- The simplest substance and hence cannot be broken down using chemical reactions.
- Number of protons in an atom is equal to a number called ___?
- Gas to Liquid.
- Particles in a atom with no charge.
- A type of matter with fixed composition.
Down
- Characteristic of a substance that indicates whether it can undergo a chemical change.
- A process involving applying centrifugal force to detach particles from the solution by their scale, shape, density, medium and rotor speed viscosity.
- Liquid to Solid.
- Characteristic of a material you can observe without changing the identity.
- A change in size, shape, or state.
- Universal Solvent.
- Materials that are able to be hammered.
- Type of mixture that has the same proportions or uniform composition.
- Homogeneous mixture with particles so small that they cannot be seen with a microscope.
- A process for separating substances by evaporating a liquid and recondensing its vapor.
- The point in temperature when the solid starts to liquefy.
- Particles in a atom with a positive charge.
- Effect Scattering of light by colloidal particles.
- Solid to Liquid.
- A material made up of two or more different substances which are physically combined.
- The sum of the number of protons and neutrons.
37 Clues: Gas to Solid. • Solid to Gas. • Liquid to Gas. • Gas to Liquid. • Liquid to Solid. • Solid to Liquid. • Universal Solvent. • A change in size, shape, or state. • The resistance to flow by a fluid. • Particles in a atom with no charge. • Materials that are able to be hammered. • A type of matter with fixed composition. • Particles in a atom with a negative charge. • ...
Fun Chemistry!! 2020-05-01
Across
- mixture has uniform proportion of its components
- other name of alkanes
- measures conductance
- riot control agent
- oxidation of aldehydes gives-----
- causes ripening of fruit
- type of textile
- causes physiological changes in body
- 2,4 DNP
Down
- self indicator
- most abundant natural polysaccharide on earth
- sweet sugar
- building blocks of protein
- double helical structure
- an acid-base indicator
- present in fizzy drinks
- study of reaction rates
- natural dye
- pigment in tomatoes
- ....... is a result of reaction between acid and alcohol
- main constituent of plaster
21 Clues: 2,4 DNP • sweet sugar • natural dye • self indicator • type of textile • riot control agent • pigment in tomatoes • measures conductance • other name of alkanes • an acid-base indicator • present in fizzy drinks • study of reaction rates • double helical structure • causes ripening of fruit • building blocks of protein • main constituent of plaster • oxidation of aldehydes gives----- • ...
General Chemistry 2020-04-30
Across
- if its composition is identical wherever you sample it - it has uniform composition and properties throughout.
- was created by scientists in 1995. Using a combination of lasers and magnets
- the process of associating numbers with physical quantities and phenomena.
- involves the qualitative and quantitative determination of the chemical components of substances.
- consists of atoms of two or more different elements bound together.
- of two or more different elements and/or compounds physically intermingled.
- the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
- Any characteristic that can be determined without changing the substance’s chemical identity.
- is the characteristic of visual perception
- the process of separating components of mixtures by using magnets to attract magnetic materials.
- is the way light interacts with the surface of a crystal, rock, or mineral.
- palladium
- is a technique used for the separation of particles from a solution according to their size, shape, density, viscosity of the medium and rotor speed.
- the action or process of filtering something.
- is the temperature at which the vapor pressure of a liquid equals the external pressure surrounding the liquid.
- Any characteristic of matter that depends on the amount of matter being measured.
- is a technique used to separate out homogenous mixtures where there is one or more dissolved solids.
- is defined by Weingart as “a process whereby the use of and claim to systematic and certified knowledge produced in the spirit of 'truth-seeking'
- the particles are more loosely packed than in a solid and are able to flow around each other, giving the liquid an indefinite shape.
- is the study of the properties and behaviour of inorganic compounds.
- is a measure of how easily a substance bursts into flame, through fire or combustion.
- particles are packed tightly together so they don't move much.
- Neodymium
- is a mixture in which one substance of microscopically dispersed insolube or solube particles is suspended throughout another substance
- Silver
- defined as substances that are made of only one type of atom or molecule.
- a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.
- the state of being thick
Down
- the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.
- Mercury
- is a class of physical phenomena that are mediated by magnetic fields.
- mixture that has components in which proportion vary throughout the sample
- Any characteristic of matter that does not depend on the amount of the substance present.
- is a measure of the amount of matter in an object
- is not a common state of matter here on Earth, but it may be the most common state of matter in the universe, according to the Jefferson Laboratory.
- whether it will break into charge with water or not
- involves the study of the structure, properties, and preparation of chemical compounds that consist primarily of carbon and hydrogen.
- The degree to which a substance can harm humans or animals.
- Neptunium
- is everything around you.
- consists of only one kind of atom.
- is an effective method to separate mixtures comprised of two or more pure liquids.
- is a separation method used to separate out pure substances in mixtures comprised of particles some of which are large enough in size to be captured with a porous material.
- the particles have a great deal of space between them and have high kinetic energy.
- aluminum chemical formula
- is the separation of a mixture by passing it in solution or suspension or as a vapor through a medium in which the components move at different rates.
- the study of the effect of chemical structure on the physical properties of a substance.
- is the study of chemical reactions that take place in living things. It tries to explain them in chemical terms.
- Any characteristic that can be determined only by changing a substance’s molecular structure.
- an act of being accurate
- Lithium
51 Clues: Silver • Mercury • Lithium • palladium • Neptunium • Neodymium • an act of being accurate • the state of being thick • is everything around you. • aluminum chemical formula • consists of only one kind of atom. • is the characteristic of visual perception • the action or process of filtering something. • is a measure of the amount of matter in an object • ...
General Chemistry 2020-05-07
Across
- gas to liquid
- whether it will break into charged praticles when in solution with water or not
- the ratio of the mass of an object to the volume it occupies
- the mixture is poured into a special tube in the centrifuge apparatus, and is using centrifugal force to spin
- consists of coarse particles which are visible to the naked eye
- a mixture that can be either suspension or colloid
- the process of converting liquid into gas
- a process of separating homogenous mixture composed of two substances with different boiling points
- liquid to solid
- a colloid of a liquid in a solid
- a branch of chemistry that studies compounds not covered by organic chemistry
- it is determined when a certain quantitative value is relatively close to the "true" value
- the study of chemical processes that occur inside of living organisms
- the branch of chemistry that applies physics to the study of chemistry
- whether the substance can damage an organism or not
- a type of change that occurs when a substance is converted to a new substance
- pure substance containing two or more kinds of atom chemically combined
- the solid particles are allowed to settle first at the bottom
- a colloid made up of two liquids that are immiscible
- a gas disbursed in a liquid or a solid
- simplest form of matter
- has definite shape and volume
- second is the base unit of this type of measurement
- the amount of space occupied by a substance
- a process of separating the components of a suspension
Down
- whether it reacts with acids, bases, and oxygen,gas, or not
- process that can be used in extricating mixtures w/ different melting points
- the study of matter
- a type of change that occurs when the internal make-up of the matter stays the same, even after the change
- the separation depends upon the solubility of each component in the solvent
- a branch of chemistry that studies the carbon and its compounds
- the quantity of matter in the object
- whether the substance undergoes combustion or not
- the study of the chemistry of matter and the development of tools to measure properties of matter
- well-mixed and behave like a single substance
- particles are far apart from each other
- whether the substance can be easily decomposed or not
- the consistency of a result
- a mixture that is relatively uniform in composition
- meter is the base unit of this type of measurement
- a colloidal system of particles dispersed in gas
- a process of changing solid to gas
- tells how hot or cold an object is
- a type physical property that does not depend on the size of the sample
- take the shape of the container; has a definite voloume
- consists of a dispersed phase
- composed of two or more substances combined physically
- anything that has mass and occupies space
- also called as extrinsic property
- formed when solid particles are dispersed in a liquid phase
50 Clues: gas to liquid • liquid to solid • the study of matter • simplest form of matter • the consistency of a result • consists of a dispersed phase • has definite shape and volume • a colloid of a liquid in a solid • also called as extrinsic property • a process of changing solid to gas • tells how hot or cold an object is • the quantity of matter in the object • ...
General Chemistry 2020-05-25
Across
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- Ratio of the mass of an object to the volume occupied by that object.
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- Elements at the left side and in the center of the periodic table
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
- the measurement or extent of something from end to end.
- Positively charged subatomic particle of an atom
- insert gas located at the rightmost side of the periodic table
- bond Formed by losing and gaining of electrons between metal and nonmetal
- The sum of the number of protons and neutrons in its nucleus
- movement of one fluid through another.
- Group 7A elements
- Substance consisting of only one kind of atom
- Separates components of mixture at different boiling points.
- a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
- Specific energy value of electrons for an atom
- Called as solution a mixture with uniform composition.
- The quantity of matter in the body
- The amount of space occupied by a substance
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- a substance or object that is solid rather than liquid or fluid
- Element that appears at the far right side of the periodic table
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- Horizontal row in the periodic table
- Mixture whose a composition varies from position to position within a sample.
- the quality, condition, or fact of being exact and accurate.
- the size length or amount of something as established by measuring.
- Compound that consists of two charged ions
Down
- inner transition elements located in the first row of the f block in the periodic table
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- Negatively charged subatomic particle of an atom
- phase change in which liquid is converted to gas
- The separation of elemental metals from the mixtures
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- Phase change that involves the conversion from solid to liquid
- a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Composed of two or more substances combined physically in variable proportions
- Anything that has mass and occupies space
- a metric unit of length equal to one hundredth of a meter.
- a period of time equal to sixty seconds or a sixtieth of an hour.
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- Elements found in the zigzag order in the periodic table
- Organic compound with carbon and oxygen only
- Phase change in which liquid is converted to solid
- the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact combine and change; and the use of these processes to form new substances.
- Uncharged particle found within the atomic nuclei
- Formed when atom loses or gains electron
50 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • Organic compound with carbon and oxygen only • ...
General Chemistry 2020-05-25
Across
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- movement of one fluid through another.
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact combine and change; and the use of these processes to form new substances.
- Elements at the left side and in the center of the periodic table
- bond Formed by losing and gaining of electrons between metal and nonmetal
- Negatively charged subatomic particle of an atom
- Positively charged subatomic particle of an atom
- it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Uncharged particle found within the atomic nuclei
- a substance or object that is solid rather than liquid or fluid
- the quality or state of being correct or precise.
- Mixture whose a composition varies from position to position within a sample.
- The quantity of matter in the body
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- inner transition elements located in the first row of the f block in the periodic table
- the quality, condition, or fact of being exact and accurate.
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- a metric unit of length equal to one hundredth of a meter.
- Called as solution a mixture with uniform composition.
Down
- Element that appears at the far right side of the periodic table
- The sum of the number of protons and neutrons in its nucleus
- it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
- Elements found in the zigzag order in the periodic table
- a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- Horizontal row in the periodic table
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- phase change in which liquid is converted to gas
- The separation of elemental metals from the mixtures
- a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
- Organic compound with carbon and oxygen only
- the size length or amount of something as established by measuring.
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- the measurement or extent of something from end to end.
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- Compound that consists of two charged ions
- Ratio of the mass of an object to the volume occupied by that object.
- The amount of space occupied by a substance
- insert gas located at the rightmost side of the periodic table
- Anything that has mass and occupies space
- a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid of this kind.
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- Substance consisting of only one kind of atom
- a period of time equal to sixty seconds or a sixtieth of an hour.
- Composed of two or more substances combined physically in variable proportions
- Group 7A elements
- Phase change that involves the conversion from solid to liquid
- Specific energy value of electrons for an atom
- Separates components of mixture at different boiling points.
- Formed when atom loses or gains electron
- Phase change in which liquid is converted to solid
52 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • Organic compound with carbon and oxygen only • ...
General Chemistry 2020-05-25
Across
- it is a branch of chemistry that studies and uses instruments and methods used to separate identify and quantify matter.
- states that atoms other than hydrogen tend to form bonds until surrounded by eight valence electrons
- movement of one fluid through another.
- The digits in any measurement that are known with certainty plus one digit which is uncertain
- the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact combine and change; and the use of these processes to form new substances.
- Elements at the left side and in the center of the periodic table
- bond Formed by losing and gaining of electrons between metal and nonmetal
- Negatively charged subatomic particle of an atom
- Positively charged subatomic particle of an atom
- it is a branch of chemistry that studies the structure properties and reactions of organic compounds which contain carbon in covalent bonding. Study of structure determines their chemical composition and formula.
- Uncharged particle found within the atomic nuclei
- a substance or object that is solid rather than liquid or fluid
- the quality or state of being correct or precise.
- Mixture whose a composition varies from position to position within a sample.
- The quantity of matter in the body
- Indicates that one mole of an element has a mass in grams numerically equal to its atomic mass units
- inner transition elements located in the first row of the f block in the periodic table
- the quality, condition, or fact of being exact and accurate.
- a substance that flows freely but is of constant volume having a consistency like that of water or oil.
- a metric unit of length equal to one hundredth of a meter.
- Called as solution a mixture with uniform composition.
Down
- Element that appears at the far right side of the periodic table
- The sum of the number of protons and neutrons in its nucleus
- it is a branch of chemistry that studies the chemical processes within and relating to living organisms. Biochemical processes give rise to the complexity of life.
- Elements found in the zigzag order in the periodic table
- a substance or matter in a state in which it will expand freely to fill the whole of a container having no fixed shape and no fixed volume.
- Horizontal row in the periodic table
- Process in which the solid particles are filtered to allow the liquid or filtrate to pass through the filter and be collected as residue
- phase change in which liquid is converted to gas
- The separation of elemental metals from the mixtures
- a metric unit of capacity formerly defined as the volume of one kilogram of water under standard conditions now equal to 1 000 cubic centimeters
- Organic compound with carbon and oxygen only
- the size length or amount of something as established by measuring.
- it is a branch of chemistry that deals with synthesis and behavior of inorganic and organometallic compounds.
- the measurement or extent of something from end to end.
- the branch of chemistry concerned with the application of the techniques and theories of physics to the study of chemical systems.
- Compound that consists of two charged ions
- Ratio of the mass of an object to the volume occupied by that object.
- The amount of space occupied by a substance
- insert gas located at the rightmost side of the periodic table
- Anything that has mass and occupies space
- a chemical substance that neutralizes some elements
- the fundamental unit of length in the metric system equal to 100 centimeters or approximately 39.37 inches.
- Substance consisting of only one kind of atom
- a period of time equal to sixty seconds or a sixtieth of an hour.
- Composed of two or more substances combined physically in variable proportions
- Group 7A elements
- Phase change that involves the conversion from solid to liquid
- Specific energy value of electrons for an atom
- Separates components of mixture at different boiling points.
- Formed when atom loses or gains electron
- Phase change in which liquid is converted to solid
52 Clues: Group 7A elements • The quantity of matter in the body • Horizontal row in the periodic table • movement of one fluid through another. • Formed when atom loses or gains electron • Anything that has mass and occupies space • Compound that consists of two charged ions • The amount of space occupied by a substance • Organic compound with carbon and oxygen only • ...
GENERAL CHEMISTRY 2020-05-23
Across
- is the process of a substance in a gaseous state transforming into a liquid state.
- is a material made up of two or more different substances which are physically combined.
- is a chemical reaction that releases energy through light or heat.
- is the base unit of temperature in the International System of Units (SI), having the unit symbol K.
- study of composition
- Change changing of state of matter
- any substance composed of identical molecules consisting of atoms of two or more chemical elements.
- Man's best friend
- has the symbol hg
- is a heterogeneous mixture in which solute-like particles settle out of a solvent-like phase sometime after their introduction.
- has the symbol s
- occurs when molecules settle out of a solution.
- is a mixture with a non-uniform composition.
- he describes atom have nucleus
- he person who discovered that the volume of a gas decreases with increasing pressure and vice versa—the famous Boyle's law.
- for distance
- closely pack; high density
- is the measurement of the extent of something along its greatest dimension.
- a substance microscopically dispersed evenly throughout another substance
- atom are further not subdivided
- every substance has its own seed
- occupies space and has mass
- s one of the two forms of vaporization.
- one way to say japan in japanese
- smallest particle
Down
- is any process which requires or absorbs energy from its surroundings, usually in the form of heat.
- is the unit of measurement for amount of substance in the International System of Units
- the scattering of light as a light beam passes through a colloid.
- four basic seeds
- for mass
- zeros containing a this are significant
- s a solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample.
- also known as freezing, is a phase change of matter that results in the production of a solid.
- has the symbol sb
- chemistry that takes place in living things
- made some qualities
- slightly close to each other
- measure of mass per volume
- for electric current
- All non-zero digits are considered...
- created his own periodic table
- proposed that matter is composed of atoms
- the complete loss of an electron from an atomic or molecular species.
- coined the term "atoms"
- has the symbol of H
- the process by which a substance changes from the solid phase to the liquid phase.
- substance is any single type of material that are made of only one type of atom or only one type of molecule.
- far apart, freely moving
- for time
- are considered significant.
- believes can turn cheap metal to gold
51 Clues: for mass • for time • for distance • four basic seeds • has the symbol s • Man's best friend • has the symbol hg • has the symbol sb • smallest particle • made some qualities • has the symbol of H • study of composition • for electric current • coined the term "atoms" • far apart, freely moving • measure of mass per volume • closely pack; high density • are considered significant. • ...
General chemistry 2020-05-04
Across
- is a class of physical phenomena that are mediated by magnetic fields.
- is a type of chemical bonding that rises from the electrostatic attractive force between conduction electrons.
- is a form of matter having constant chemical composition and characteristic properties.
- is a process that leads to the chemical transformation of one set of chemical substances to another.
- of a number are digits that carry meaningful contributions to its measurement resolution.
- is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling point.
- is a chemical element with the symbol Pa and atomic number 91.
- is the smallest constituent unit of ordinary matter that constitutes a chemical element.
- is a mixture in which the components that make up the mixture are uniformly distributed throughout the mixture.
- is a physical property of matter that quantitatively expresses hot and cold.
- is a subatomic particle with no net electric charge.
- is a physical process that results in the phase transition of a substance from a solid to a liquid.
- is a type of chemical element which has properties in between, or that are a mixture of, those of metals and nonmetals.
- is a decimal unit prefix in the metric system denoting multiplication by one thousand.
- is a chemical element with the symbol B and atomic number 5.
- is a metric system unit of mass.
- a is the reverse of vaporization.
- is the tendency for particles in suspension to settle out of the fluid in which they are entrained and come to rest against a barrier.
- is the mass of an atom. Although the SI unit of mass is kilogram.
- is a material that when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well.
- is the chemical element with the symbol N and atomic number 7.
- is a process that generates a liquid from a solid that generates a non-liquid phase which behaves in accordance with fluid dynamics.
Down
- is an outer shell electron with an atom, and that can participate in the formation of a chemical bond if the outer shell is not closed.
- is any substance that has mass and takes up space by having volume.
- is an electrically neutral group of two or more atoms held together by chemical bonds.
- is any factor that can be controlled, changed, or measured in an experiment.
- is a physical, biological or chemical operation that separates solid matter and fluid from a mixture with a filter medium that has a complex structure through which only the fluid can pass.
- are generally any chemical compounds that contain carbon.
- is an atom or molecule that has a net electrical charge.
- is the chemical element with the symbol H and atomic number 1.
- is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions.
- is both a property of a physical body and a measure of its resistance to acceleration when a net force is applied.
- is the study of chemical processes within and relating to living organisms.
- is a subatomic particle with a positive electric charge.
- is a material made up of two or more different substances which are physically combined.
- is a substance that dissolves a solute, resulting in a solution.
- is to put together parts so as to form a whole.
- is a subatomic particle whose electric charge is negative one elementary charge.
- is a mixture in which the components of the mixture are not uniform or have localized regions with different properties.
- is a chemical element that mostly lacks the characteristics of a metal.
- is a chemical element with the symbol Cu and atomic number 29.
- it can be defined as a base that dissolves in water.
- means incapable of dissolving in a solvent. It is rare for absolutely no solute to dissolve at all.
- is a phase transition where a liquid turns into a solid when its temperature is lowered below its freezing point.
- is one of the four fundamental states of matter.
- is the chemical element with the symbol O and atomic number 8.
- mass of a unit volume of a material substance.
- is a chemical element with the symbol C and atomic number 6.
- is an acyclic saturated hydrocarbon.
49 Clues: is a metric system unit of mass. • a is the reverse of vaporization. • is an acyclic saturated hydrocarbon. • mass of a unit volume of a material substance. • is to put together parts so as to form a whole. • is one of the four fundamental states of matter. • is a subatomic particle with no net electric charge. • it can be defined as a base that dissolves in water. • ...
Chemistry Crossword 2020-10-01
Across
- Contains 2 Hydrogen Atoms and 1 Oxygen Atom
- Reaction Change in the Ionic structure of a substance
- Table Organized by Atomic Number, How Atoms React, and What kind of atom (metal, nonmetal, gas)
- Elements on the far left on the Periodic Table do this with elements second from right on the Periodic Table
- Flow in electric currents
- Cannot be broken or changed
- Can change the state of matter
- Number equal to a mole of atom
- Bonding that shares And exchanges electrons
- Are responsible for atomic bonding
- These are created when a group of atoms bond together
Down
- Reaction Evaporation, Freezing, and Condensation
- Has no charge
- Solid,liquid or gas
- Type of atomic bonding where atoms exchange electrons
- Positively charged and located in the nucleus
- Fourth state of matter
- Why the atomic number has a decimal
- React Gases on the far right of the Periodic Table
- If particles are not bonded they are a
- Same number of electrons and protons
- Very large molecules that make up living plants or animals
- Smallest unit of matter
- Charge When an atom gives away one electron
- of atomic bonding where atoms share electrons
- Shells around the nucleus
26 Clues: Has no charge • Solid,liquid or gas • Fourth state of matter • Smallest unit of matter • Flow in electric currents • Shells around the nucleus • Cannot be broken or changed • Can change the state of matter • Number equal to a mole of atom • Are responsible for atomic bonding • Why the atomic number has a decimal • Same number of electrons and protons • ...
Chemistry Crossword 2020-12-10
Across
- , negative charge particle
- , rare earth metal
- , used in welding
- , no charge
- , bananas
- , molecules undergo a rearrangement
- , a unit measure
- , When different elements join together they form these
- , educated guess
- , gone nuclear
- , Glenn T. seaborg
Down
- , positive charge
- , A scientist who found an element (first name only)
- , the study of
- , type of battery
- , a negative compound
- , a unit measure
- , runny
- , nether can be destroyed or created
- , a Noble
- , atomic number 94
- , a positive compound
- , he was number 1
- , laughing
- , you need this
25 Clues: , runny • , bananas • , a Noble • , laughing • , no charge • , the study of • , gone nuclear • , you need this • , a unit measure • , a unit measure • , educated guess • , positive charge • , type of battery • , used in welding • , he was number 1 • , rare earth metal • , atomic number 94 • , Glenn T. seaborg • , a negative compound • , a positive compound • , negative charge particle • ...
Chemistry Crossword 2024-05-02
Across
- The connection between two atoms in a molecule
- A compound that increases the amount of OH- ions in an aqueous solution
- Overall positive charge
- The characteristic temperature at which a liquid becomes a gas
- The characteristic temperature at which a solid becomes a liquid
- The transfer of energy from one body to another due to a difference in temperature
- An amount that is theoretically produced as calculated using the balanced chemical reaction
- A measure of the unequal sharing of electrons which has resulted in a dipole movement
- Area of enzymatic action where substrate molecules react
- The half cell that contains the oxidation reaction
- The smallest piece of an element that maintains the identity of that element
Down
- A gas law that relates volume and temperature at a constant pressure and amount
- A measure of the average amount of kinetic energy a system contains
- The movement of gas molecules from one container to another
- Used to measure the heat of a chemical reaction
- A species with an overall negative charge
- The reactants which are specific for a biological catalyst
- A gas law that relates pressure and volume at constant temperature and amount
- The loss of one of more electrons by an atom
- A tiny subatomic particle with a negative charge
20 Clues: Overall positive charge • A species with an overall negative charge • The loss of one of more electrons by an atom • The connection between two atoms in a molecule • Used to measure the heat of a chemical reaction • A tiny subatomic particle with a negative charge • The half cell that contains the oxidation reaction • ...
Chemistry Crossword 2024-09-05
Across
- Abbreviation of electromagnetic spectrum
- E=hv
- Unit of frequency
- Protons+Neutrons
- Area around atom’s nucleus where electrons are most likely to be found
- Tabular array of chemical elements
- Substance made out of only one type of atom
- c= λv
- Number of waves that pass a point in a second
- Different number of neutrons
- Number of protons
- Minimum amount of energy that can be gained or lost by an atom
- State in which electron has the lowest possible energy level
- Amount of electron in F orbital
- Amount of electron in P orbital
- subatomic particle with negative charge
- Lowest point in a wave
- Lower frequency = ____ wavelength
- Acronym for rainbow colors
Down
- State in which electron has a higher energy level
- Higher frequency = ____ wavelength
- Consisting of protons and neutrons
- Clock or counterclockwise orientation of electron
- Smallest particle of an element
- Electron on outer shell of an atom
- subatomic particle with neutral charge
- First element in periodic table
- Unit of energy
- Amount of electron in S orbital
- Group of atoms bound together
- 6.626x10-34
- Color with highest energy frequency
- Second element in periodic table
- subatomic particle with positive charge
- Color with lowest energy frequency
- Highest point in a wave
- Height of wave from its rest position
- 3.00x108
- Amount of electrons in D orbital
- Group of elements with similar properties
40 Clues: E=hv • c= λv • 3.00x108 • 6.626x10-34 • Unit of energy • Protons+Neutrons • Unit of frequency • Number of protons • Lowest point in a wave • Highest point in a wave • Acronym for rainbow colors • Different number of neutrons • Group of atoms bound together • Smallest particle of an element • First element in periodic table • Amount of electron in S orbital • Amount of electron in F orbital • ...
Chemistry vocabulary 2024-05-12
Across
- an organism that makes its own food
- an undeerwater vehicle built of strong materials to resist pressure at depth
- the area drained by a river and its tributaries
- the movement of deep, cold, and nutrient rich water to the surface
- two or more atoms held together by bonds
- the tendency of water molecules to stick to eachother
- the amount of space something occupies
- tiny algae and animals that float in water and are carried by waves and currents
- measure of the amount of matter in a substance
- medicine that kills or slows the growth of bacteria
- prepared or created artificially man-made not found in nature
Down
- underground bed or layer yielding ground water for wells and springs etc
- point the temperature below which a solid turns into a liquid
- term that describes an organism that lives on land
- the amount of matter in a given space, mass per unit volume
- the ability of a substance to be hammered or beaten into thin sheets
- attraction between opposite poles
- horizontal row on the periodic table
- nitrogen compounds used for growth by plants and algae
- a measure of how acidic or basic a solution is
20 Clues: attraction between opposite poles • an organism that makes its own food • horizontal row on the periodic table • the amount of space something occupies • two or more atoms held together by bonds • measure of the amount of matter in a substance • a measure of how acidic or basic a solution is • the area drained by a river and its tributaries • ...
Chemistry Bonus 2024-04-22
Across
- Who discovered the neutron
- A solid produced during a chemical reaction
- The number of protons in the nucleus
- Who discovered electrons
- Prefix that means 1
- Donates one proton per molecule
- Chemical reactions that do not go to completion
- Who created the first periodic table
- A negatively charged ion
Down
- These tend to form covalent bonds
- Is the smallest particle of a contently bonded compound
- Sharing of electron by atoms so that all atoms involved achieve a filled valence level
- Block d on the periodic table is made up of this
- Species produced when a base accepts a hydrogen ion from an acid
- A mixture that is not uniform
- Ionic compounds are called what
- The mass of an atom given in amu
- Polar molecules can only be dissolved by these
- When two liquids do not mix
- A small amount of solute per solvent quantity
20 Clues: Prefix that means 1 • Who discovered electrons • A negatively charged ion • Who discovered the neutron • When two liquids do not mix • A mixture that is not uniform • Ionic compounds are called what • Donates one proton per molecule • The mass of an atom given in amu • These tend to form covalent bonds • The number of protons in the nucleus • Who created the first periodic table • ...
Chemistry Bonus 2024-05-07
Across
- a mixture where individual particles can't be distinguished.
- elements that do not exist in nature as single atoms but as two atoms bonded together
- a device used to measure the energy absorbed or released as heat in a chemical reaction.
- who created the first periodic table
- substance that is dissolved
- a set of four variables used to describe the location of electrons within an atom
- microscopic particles are dispersed evenly in another substance
- substance that does the dissolving
- a substance that speeds up a chemical reaction without itself undergoing any chemical change.
- occurs when the reaction rates of a reversible reaction for the forward and reverse reactions are equal.
- discovered the proton
Down
- a mixture that is not uniform
- number defined by the amount of protons in the nucleus
- a standard unit that stands for 6.02 x 10^23
- rule that states atoms will gain, lose, or share valence electrons to attain 8 valence electrons
- the mass of an atom given in amu
- a substance that increases the concentration of hydrogen ions in an aqueous solution.
- solution is boiled to separate liquids
- length of time it takes for half of the radioactive atoms of a specific radioactive isotope to decay
- name of elements in the column all the way to the right on the periodic table
- stated the uncertainty principle
21 Clues: discovered the proton • substance that is dissolved • a mixture that is not uniform • the mass of an atom given in amu • stated the uncertainty principle • substance that does the dissolving • who created the first periodic table • solution is boiled to separate liquids • a standard unit that stands for 6.02 x 10^23 • number defined by the amount of protons in the nucleus • ...
Chemistry Crossword 2024-05-08
Across
- number of protons
- particles dispersed evenly
- positively charged ion
- flammability,acidity,reactivity
- colloids shine
- transfer of electrons
- close to the accepted value
- time it takes to reach half original value
- color,shape,luster
- heat absorbed
- close to each other
- 6.02x10^23
Down
- sharing of electrons
- negatively charged ion
- heat released
- solid produced during reaction
- mass in amu
- total energy
- solid to gas
- particles settle out
20 Clues: 6.02x10^23 • mass in amu • total energy • solid to gas • heat released • heat absorbed • colloids shine • number of protons • color,shape,luster • close to each other • sharing of electrons • particles settle out • transfer of electrons • negatively charged ion • positively charged ion • particles dispersed evenly • close to the accepted value • solid produced during reaction • ...
Chemistry cossword 2024-03-14
Across
- - Analyzing light interactions with matter
- - Capable of being maintained over the long term
- - Production of complex molecules in living organisms
- - Relating to the decomposition of substances by electricity
- - Chemical reaction that releases heat energy
- - Chemical reaction involving transfer of electrons
- - Breakdown of molecules induced by light
- - Loss of a proton from a molecule
- - Reactant acted upon by an enzyme
- - Act of dividing or isolating components from a mixture
- - Reactivity involving electron-deficient species
- - Composed of different components not uniformly distributed
- - Bending of light waves as they pass around obstacles
- - Reactivity involving electron-rich species
Down
- - Measure of effectiveness or productivity
- - Study of chemical processes involving electricity
- - Study of particles' behavior at the smallest scales
- - Process of combining monomers to form polymers
- - Substance being analyzed or measured
- - Enzyme responsible for polymerization of nucleic acids
- - Study of the spatial arrangement of atoms in molecules
- - Initiation of a chemical reaction
- - Technique separating chemical mixtures
- - Chemicals that donate or accept protons
- - Acceleration of chemical reactions by catalysts
- - Methodical examination or investigation
- - Substance capable of dissolving other substances
- - Bonding of metal ions to ligands in complexes
- - Process of determining the concentration of a solution
- - Balance between opposing forces or actions
30 Clues: - Loss of a proton from a molecule • - Reactant acted upon by an enzyme • - Initiation of a chemical reaction • - Substance being analyzed or measured • - Technique separating chemical mixtures • - Chemicals that donate or accept protons • - Methodical examination or investigation • - Breakdown of molecules induced by light • - Analyzing light interactions with matter • ...
Chemistry Crossword 2024-04-16
Across
- A number that indicates the charge of an ion
- A shape of molecule where there are 4 electron domains around the central atom
- A shape of molecule where there are 2 electron domains around the central atom
- A number that indicates how many moles of a substance are present in a balanced chemical reaction
- A solution in which a solid is dissolved in water
- The bottom point of a wave
- A solid that forms from a reaction between two aqueous solutions
- The top point of a wave
- The height of the wave
- A region on the central atom of a molecule where electrons are most likely to be found (bonding and nonbonding electrons)
- The unit of particles for an element
- A type of chemical reaction in which a single substance breaks down into multiple substances
- Electrons follow these pathways around the nucleus of the atom
- A type of chemical reaction that involves a single element and an ionic compound where the single element switches places with the like element in the compound
- The amount of moles in volume of solution
- A type of reaction where a hydrocarbon reacts with oxygen gas to produce carbon dioxide and water vapor
- Substances that are destroyed by a chemical change in a reaction
- A type of chemical reaction in which multiple substances form a single product
Down
- A number that indicates how many atoms are present in a molecule
- A chemical substance that releases OH- ions in aqueous solutions
- The acronym that stands for Valence Shell Electron Pair Repulsion Theory
- The distance between two consecutive points on a wave
- The name of the scientist that discovered the number of particles present in one mole of substance
- The rate of occurrence of a wave
- A chemical reaction in which an acid and base react with one another to produce water and a salt solution
- A type of reaction that involves two ionic compounds where the cations switch places
- The arrangement of electrons in orbitals around the nucleus
- The unit of particles for a covalent compound
- Reducing the number of moles of solute per unit volume of solution
- Substances that are formed by a chemical change in a reaction
- A chemical substance that releases H+ ions in aqueous solutions
- The breakdown of ions in an aqueous solution
32 Clues: The height of the wave • The top point of a wave • The bottom point of a wave • The rate of occurrence of a wave • The unit of particles for an element • The amount of moles in volume of solution • A number that indicates the charge of an ion • The breakdown of ions in an aqueous solution • The unit of particles for a covalent compound • ...
Chemistry FA 2024-08-14
Across
- a sub-atomic particle with a positive charge
- potassium's electronic configuration is 2,8,8,1, which period is it in?
- particles collide and diffuse , this is proved by _______ theory
- this holds the all the protons and neutrons in an atom
- tritium and deuterium are isotopes of_____
- neutrons have ______ charge
- movement of particles from higher concentration to lower concentration
- the no. of valence electrons in an element determines it's ______
- a separation technique which starts with evaporation followed by condensation
- hidden heat used to change the matter of particles
- when two or more elements bond in a fixed proportion it's called a _____
Down
- change from gas to solid
- element with an electronic configuration 2,8,3
- slows, liquids and gasses are types of ______
- same element with same atomic number but different atomic mass
- adding impurities to a substance ______ the melting point
- another term for atomic mass
- when this factor increases rate of diffusion increases
- rule that states , the K shell can hold only 2 electrons
- this state of matter can't be compressed and only vibrates at its fixed position
20 Clues: change from gas to solid • neutrons have ______ charge • another term for atomic mass • tritium and deuterium are isotopes of_____ • a sub-atomic particle with a positive charge • slows, liquids and gasses are types of ______ • element with an electronic configuration 2,8,3 • hidden heat used to change the matter of particles • ...
Basic Chemistry 2024-09-11
Across
- Occurs whenever chemical bonds are formed, rearranged, or broken
- These have no charge
- The form stored in the bonds of chemical substances
- The smallest particle of a chemical substance
- When atoms or molecules combine to form a large, more complex molecule
- These help proteins to achieve their functional three dimensional structure
- Chainlike molecules made of many similar or repeating units,which are joined together by dehydration synthesis
- Atoms that have the same atomic number but different mass number.
- Have a bitter taste, feel slippery, and are proton acceptors
- Contain ionic bonds, lack carbon and resist decomposition
- Extended and strand like proteins
- Energy directly involved in moving matter
- A mixture of microscopic particles that are suspended into another medium
- A pure substance made of the same type of molecules which are made up of several types of atoms
- Bonds that are both and broken
- Reactions that release energy
- Reactions that contain more potential energy in their chemical bonds than did the reactants
- Substances that conduct an electrical current in solution
- Reaction whee water is mostly used to breakdown the chemical bonds that exists between a particular substance
- diverse lipids chiefly de- rived from a 20-carbon fatty acid found in all cell membranes.
- Energy that travels in waves
Down
- Substances composed of two or more components physically intermixed
- Heterogeneous mixtures with large,often visible solutes that tend to settle out
- Homogeneous mixtures of components that may be gases, liquids or solids
- have a sour taste, can react with many metals, and “burn” a hole in your rug
- The building blocks of proteins
- Energy in action
- Homeostasis of acid-base balance that is carefully regulated by the kidney and lungs and by chemical systems
- Globular proteins that act as biological catalysts
- Occurs due to the movement of charged particles
- Compact, spherical proteins that have at least tertiary structure
- An ionic compound containing cations and anions other than hydroxyl ion
- These are negatively charged
- Composes 10-30% of cell mass and is the basic. structural material of the body
- Another name for acids
- Occurs when acids and bases are mixed. They react with each other in displacement reactions to form water and salt
- A group of molecules that includes sugars and starches,represent 1-2% of cell mass
- Covalently bonded molecules that contain carbon
- A particle made up of several atoms that are bonded together
- These are insoluble in water
- anything that occupies space and has mass
- The transferring of electrons
- Occurs when a molecule is broken down into smaller molecules
- Equal to the number of protons in its nucleus and is written as a subscript to the left of it’s atomic symbol
- Stored energy
- When large carbohydrate or protein molecules are synthesized from smaller molecules, a water molecule is removed for every bond formed
- These are positively charged
- Large, complex molecules containing from 100 to over 10,000 amino acids
- The sharing of electrons
- The capacity to do work, or to put matter into motion
50 Clues: Stored energy • Energy in action • These have no charge • Another name for acids • The sharing of electrons • These are negatively charged • These are insoluble in water • These are positively charged • Energy that travels in waves • The transferring of electrons • Reactions that release energy • Bonds that are both and broken • The building blocks of proteins • ...
Basic Chemistry 2024-09-11
Across
- The form stored in the bonds of chemical substances
- The transferring of electrons
- Reaction whee water is mostly used to breakdown the chemical bonds that exists between a particular substance
- Reactions that contain more potential energy in their chemical bonds than did the reactants
- These are positively charged
- Stored energy
- diverse lipids chiefly de- rived from a 20-carbon fatty acid found in all cell membranes.
- Chainlike molecules made of many similar or repeating units,which are joined together by dehydration synthesis
- These are negatively charged
- A group of molecules that includes sugars and starches,represent 1-2% of cell mass
- Occurs whenever chemical bonds are formed, rearranged, or broken
- The building blocks of proteins
- These help proteins to achieve their functional three dimensional structure
- Heterogeneous mixtures with large,often visible solutes that tend to settle out
- The smallest particle of a chemical substance
- Energy that travels in waves
- A mixture of microscopic particles that are suspended into another medium
- Globular proteins that act as biological catalysts
- Occurs when acids and bases are mixed. They react with each other in displacement reactions to form water and salt
- Equal to the number of protons in its nucleus and is written as a subscript to the left of it’s atomic symbol
- Homogeneous mixtures of components that may be gases, liquids or solids
- When large carbohydrate or protein molecules are synthesized from smaller molecules, a water molecule is removed for every bond formed
Down
- Substances composed of two or more components physically intermixed
- When atoms or molecules combine to form a large, more complex molecule
- Energy in action
- Have a bitter taste, feel slippery, and are proton acceptors
- Homeostasis of acid-base balance that is carefully regulated by the kidney and lungs and by chemical systems
- Atoms that have the same atomic number but different mass number.
- Another name for acids
- have a sour taste, can react with many metals, and “burn” a hole in your rug
- The capacity to do work, or to put matter into motion
- Extended and strand like proteins
- Large, complex molecules containing from 100 to over 10,000 amino acids
- These have no charge
- Covalently bonded molecules that contain carbon
- Composes 10-30% of cell mass and is the basic. structural material of the body
- anything that occupies space and has mass
- Occurs when a molecule is broken down into smaller molecules
- Occurs due to the movement of charged particles
- Contain ionic bonds, lack carbon and resist decomposition
- Substances that conduct an electrical current in solution
- Bonds that are both and broken
- Reactions that release energy
- Compact, spherical proteins that have at least tertiary structure
- These are insoluble in water
- Energy directly involved in moving matter
- The sharing of electrons
- A particle made up of several atoms that are bonded together
- An ionic compound containing cations and anions other than hydroxyl ion
- A pure substance made of the same type of molecules which are made up of several types of atoms
50 Clues: Stored energy • Energy in action • These have no charge • Another name for acids • The sharing of electrons • These are positively charged • These are negatively charged • These are insoluble in water • Energy that travels in waves • The transferring of electrons • Reactions that release energy • Bonds that are both and broken • The building blocks of proteins • ...
Basic Chemistry 2024-09-13
Across
- A radioactive isotope that emits radiation during decay (p. 28).
- A reaction that breaks chemical bonds by adding water (p. 38).
- A space region around the nucleus where electrons are likely to be found (p. 26).
- Reaction A reaction where a compound breaks down into simpler substances (p. 36).
- Energy Energy of motion (p. 24).
- Bond A bond is formed by sharing electrons between atoms (p. 32).
- A positively charged particle in the nucleus (p. 25).
- The substance that dissolves the solute in a solution (p. 29).
- A negatively charged particle outside the nucleus (p. 25).
- Reaction A reaction that releases energy (p. 37).
- The smallest unit of a compound with its properties (p. 28).
- A homogeneous mixture of substances (p. 29).
- Number The number of protons and neutrons in an atom’s nucleus (p. 27).
- The capacity to do work or cause change (p. 24).
- A substance that cannot be chemically broken down further (p. 25).
- The amount of a substance in a given volume (p. 37).
- An element that tends to lose electrons and form positive ions (p. 34).
- A negatively charged ion (p. 32).
- Physical combinations of substances not chemically bonded (p. 29).
- A positively charged ion (p. 32).
- Table A chart of elements arranged by atomic number, showing repeating properties (p. 25).
- A substance that reduces hydrogen ion concentration (p. 39).
- Energy Stored energy (p. 24).
- A substance that increases hydrogen ion concentration (p. 39).
Down
- Bond The force holding atoms together in molecules or compounds (p. 31).
- A substance that speeds up a reaction without being consumed (p. 38).
- The smallest unit of matter retaining element properties (p. 25).
- A mixture of large particles that settle out over time (p. 30).
- A reaction where a compound breaks into simpler substances (p. 36).
- The loss of electrons from a substance (p. 36).
- An atom’s tendency to attract electrons in a bond (p. 34).
- A substance formed from two or more chemically bonded elements (p. 28).
- A solution that resists pH changes (p. 41).
- Reaction A reaction where parts of two reactants are exchanged to form new products (p. 36).
- Bond A weak bond between a proton in one molecule and an electronegative atom in another (p. 34).
- Energy The minimum energy required to start a reaction (p. 52).
- Shell The outermost electron shell of an atom (p. 31).
- Reaction A reaction that absorbs energy (p. 37).
- A biological catalyst that speeds up reactions (p. 51).
- Reaction A process that transforms one set of chemicals into another (p. 35).
- Substances that change in a chemical reaction (p. 35).
- Reaction A reaction where two or more substances form a new compound (p. 36).
- An atom or molecule with an electric charge due to lost or gained electrons (p. 32).
- Number The number of protons in an atom's nucleus (p. 27).
- Energy Energy that travels in waves (e.g., light) (p. 24).
- Atoms of the same element with different neutron numbers (p. 27).
- Anything with mass and volume (p. 24).
- Substances formed by a chemical reaction (p. 35).
- A mixture with small particles that stay dispersed and don’t settle out (p. 30).
- A measure of a solution's acidity or basicity (p. 40).
50 Clues: Energy Stored energy (p. 24). • Energy Energy of motion (p. 24). • A negatively charged ion (p. 32). • A positively charged ion (p. 32). • Anything with mass and volume (p. 24). • A solution that resists pH changes (p. 41). • A homogeneous mixture of substances (p. 29). • The loss of electrons from a substance (p. 36). • The capacity to do work or cause change (p. 24). • ...
chemistry elements 2024-09-13
55 Clues: I • O • H • Y • B • F • V • K • S • P • C • N • Sr • Mn • Pd • Co • In • Sb • Tc • Ru • Rb • Si • Nb • Xe • Ti • Zn • Ga • Cl • Br • Te • Sc • Cu • Be • Fe • Kr • Ca • Ne • Ge • Li • Mg • Al • Ag • Zr • Na • Se • Cr • Sn • Rh • As • Ar • Pb • Ni • Cd • He • Mo
Basic Chemistry 2024-09-13
Across
- The electron cloud around the nucleus of an atom occupy regions of space (pg 31)
- A group of molecules that includes sugars and starches represent 1–2% of cell mass (pg 43)
- Formed when two monosaccharides are joined by dehydration synthesis (pg 43)
- Two or more atoms of the same element combine (pg 28)
- When a molecule is broken down into smaller molecules (pg 36)
- An element that has the same atomic number but different mass number (pg 27)
- A subatomic particle that has no charge (pg 25)
- The measurement of the number of particles present in a given volume, often in a mixture or solution (pg 37)
- A chemical that gives off hydrogen ions in water and forms salts by combining with certain metals (pg 39)
- A mixutre of microscpic particles that are larger than its solution and do not settle (pg 29)
- The sum of its protons and nuetrons
- The reaction of an acid and a base, which forms water and a salt (pg 40)
- Anything that occupies space and has mass. (pg24)
- A homogeneous mixtures of components that may be gases, liquids, or solids (pg 29)
- A heterogeneous mixture in which the solid particles do not dissolve, but get suspended throughout the bulk of the solvent (pg 29)
- Substances that increase the rate of chemical reactions without themselves becoming chemically changed or part of the product (pg 38)
- Attractive forces between atoms (pg 31)
- a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of the compound (pg 36)
- The reactant taking up the transferred electrons is called the electron acceptor (pg 36)
- Substances composed of two or more components physically intermixed (pg 29)
- Compounds that contain carbon (pg 38)
- The number of protons in its nucleus (pg 27)
- Single-chain or single-ring structures containing from three to seven carbon atoms (pg 43)
- Those substances which can, in contact with air, water or other common substances, vigorously or violently give off heat, energy or toxic gases or vapors (pg 28)
- The reactant losing the electrons (pg 36)
- Insoluble in water but dissolve readily in other lipids and in organic solvents such as alcohol and ether (pg 43)
Down
- Substances that conduct an electrical current in solution (pg 29)
- The starting materials in a reaction that undergo a chemical change to form a product (pg 35)
- Are polymers of simple sugars linked together by dehydration synthesis (pg 43)
- Small atoms with six or seven valence shell electrons that are attracted very strongly (pg 34)
- Includes water, salts, and many acids and bases (pg 38)
- A subatomic particle that has a negative charge (pg 25)
- Two or more different kinds of atoms bind (pg 28)
- The elements that are made from the reactants present
- The relative concentration of hydrogen ions in various body fluids is measured in concentration units (pg 40)
- The measure of hotness or coldness expressed in terms of any of several scales, including Fahrenheit and Celsius (pg 37)
- A subatomic partice that is positively charged (pg 25)
- The mass of a substance that contains 6.023 x 1023 particles of the substance (pg 29)
- When atoms or molecules combine to form a larger, more complex molecule (pg 36)
- An ionic compound containing cations other than H1 and anions other than the hydroxyl ion (OH2) (pg 39)
- A bond between atoms formed by the transfer of one or more electrons from one atom to the other (pg 32)
- A substance that can neutralize the acid by reacting with hydrogen ions (pg 39)
- An unstable form of a chemical element that releases radiation (pg 28)
- A substance that can be dissolved into a solution (pg 29)
- A liquid that dissovles a solute (pg 29)
- Shared electrons (pg 32)
- Reactions in that they are the basis of all reactions in which food fuels are broken down for energy (pg 36)
- A composed of carbon, oxygen, hy drogen, nitrogen, and phosphorus, are the largest molecules inthe body (pg 53)
- The smallest particle of a chemical element (pg 25)
- The power or the capicty to do work. (pg24)
50 Clues: Shared electrons (pg 32) • The sum of its protons and nuetrons • Compounds that contain carbon (pg 38) • Attractive forces between atoms (pg 31) • A liquid that dissovles a solute (pg 29) • The reactant losing the electrons (pg 36) • The number of protons in its nucleus (pg 27) • Two or more different kinds of atoms bind (pg 28) • ...
Basic Chemistry 2024-09-13
Across
- A protein that acts as a biological catalyst to speed up a chemical reaction. Pg 51
- Anything that has mass and occupies space. Pg 24
- A group of molecules that includes sugar and starches represent 1–2% of cell mass. Pg 43
- Chemical substances or system that minimizes changes in the pH by releasing or binding hydrogen ions. G-4
- Nonsymmetrical molecules that contain electrically unbalanced atoms. G-18
- The number of protons. Pg 27
- Heterogeneous mixtures with large often visible solutes that tend to settle out. Pg 30
- Chemical bond formed by electron sharing between atoms. Pg 32
- A mixture in which the solute particles do not settle out readily. G-6
- Stored or inactive energy. Pg 24
- Regions around the nucleus in which a given electron or electron pair is likely to be found. Pg 26
- Steroid found in animals fats as well as in most body tissues, made by the liver. G-5
- A negatively charge subatomic particles, orbits the atoms nucleus. Pg 25
- The smallest particle of an element substance that exhibits the properties of that element. Pg 25
- Is the universal energy compound of body cells. Pg 55
- Sum of protons and neutrons in the nucleus of an atom. Pg 27
- Subatomic particles that bear a positive charge. Pg 25
- Isotopes that exhibit radioactive behavior. G-19
- The capacity to do work. Pg 24
- A substance capable of binding with hydrogen ions. G-4
- The energy of motion or movement. Pg 24
- Particle consisting of two or more atoms joined together by chemical bonds. Pg 28
- Control center of a cell. G -16
- Energy stored in bonds of chemical substances. Pg 24
- A hydrogen atom minus its electron and therefore carrying a positive charge. G-11
- Energy formed by the movement of charge particles. Pg 24
- Energy directly involved in moving matter. Pg 24
- Electrically balanced molecules. G-16
- Is energy that travels in waves. Pg 24
Down
- Displacement reaction in which mixing an acid and base forms water and salt. G-16
- Is the single most abundant compound in the body. Pg 38
- Substances that conduct an electrical current in solution. Pg 39
- Are unique substances that cannot be decomposed into simpler substances by ordinary chemical methods. Pg 25
- Is an ionic compound containing cations other than H1 and anions other than the hydroxyl ion (OH2).Pg39
- Acquires a net negative charge when an atom gains electron. Pg 32
- Involve the formation, breaking, or rearrangement of chemical bonds. Pg 35
- Is the study of the chemical composition and reactions of all living matter
- Structural unit of all living things. G-5
- Having the same number of protons but different in neutrons. Pg 27
- Pertaining to carbon containing molecules such as proteins, fats and carbohydrates. Pg 16
- A substance that releases hydrogen ions when in a solution. Pg-39
- Any element or compound that is equal or its atomic or molecular weight. Pg 29
- Acquires a net positive charge when loses an electron. Pg 32
- The average of the mass number of all isotopes of an element. Pg 28
- A substance that is dissolved in solution. G-21
- Specifies an atoms outermost energy level. Pg 31
- Chemical bond formed by electron transfer between atoms. Pg 32
- Are electron hungry and attract electrons very strongly. Pg 34
- Substance composed of two or more different elements, the atoms of which are chemically combined. Pg 28
- Combinations of substances held together by physical forces not chemical bond. Pg 29
- A fat soluble vitamin produced in the skin on exposure to UV radiation. Pg 46
- Uncharged subatomic particles. Pg 25
- The substance present in the greatest amount. Pg 29
53 Clues: The number of protons. Pg 27 • The capacity to do work. Pg 24 • Control center of a cell. G -16 • Stored or inactive energy. Pg 24 • Uncharged subatomic particles. Pg 25 • Electrically balanced molecules. G-16 • Is energy that travels in waves. Pg 24 • The energy of motion or movement. Pg 24 • Structural unit of all living things. G-5 • ...
CHEMISTRY CROSSWORD 2024-09-16
Across
- Fermenting is an example of this type of change
- an example of a homogeneous mixture
- has mass and volume
- My _____ is very good because I measured the rock three times and I got 4 grams each time, but it really weighs 5g
- must be found on the Periodic Table
- equals mass/volume (use the triangle)
- step one in the Scientific Method
- This variable is what I am not changing in the experiment
- the composition is uniform throughout in this type of mixture
- a hypothesis is a ____________ prediction based on observations
- My _____ is very good because I measured the rock at 5g and it actually weighs 5g
- This variable is what I am changing in the experiment
- These things are on the right of the arrow in a chemical reaction
Down
- when things are combined physically but not chemically
- the amount of matter an object has, not the same as weight
- In this Law, mass is never created or destroyed
- equals mass/density (use the triangle)
- These things are on the left of the arrow in a chemical reaction
- a substance with two or more elements chemically combined
- Rusting is an example of this type of change
- this type of substance is either a compound or an element
- Intensive properties _____ change depending on the amount of something you have
- Coffee with milk is this type of mixture
- the measure of gravitational force on an object
- a mixture made up of different parts that are not blended together
- Melting is an example of this type of change
- Burning is an example of this type of change
- Extensive properties _____ change depending on the amount of something you have
28 Clues: has mass and volume • step one in the Scientific Method • an example of a homogeneous mixture • must be found on the Periodic Table • equals mass/volume (use the triangle) • equals mass/density (use the triangle) • Coffee with milk is this type of mixture • Rusting is an example of this type of change • Melting is an example of this type of change • ...
Chemistry Crossword 2024-09-23
Across
- a diagram used to show the energy of electrons within the sublevels of an atom or atoms when used in bonding
- the distance between identical points, or adjacent crests, in the adjacent cycles of a waveform signal propagated in space or along a wire
- a symbolic notation of the manner in which the electrons of its atoms are distributed over different atomic orbitals
- an electromagnetic wave with a wavelength in the range 0.001–0.3 m, shorter than that of a normal radio wave but longer than those of infrared radiation
- of light a fundamental physical constant that is the speed at which electromagnetic radiation travels in a vacuum and that has a value of 299,792,458 meters per second
- electrons in the outermost shell of an atom
- a letter or pair of letters used to represent a chemical element
- a constant that gives the unvarying ratio of the energy of a quantum of radiation to its frequency and that has an exact value of 6.62607015 × 10−34 joule seconds
- an uncharged atomic particle that has a mass nearly equal to that of the proton
- diagram that describes the chemical bonding between atoms in a molecule
- the rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light), usually measured per second
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- an electromagnetic wave of a frequency between about 104 and 1011 or 1012 Hz, as used for long-distance communication
- a subatomic particle with a positive electrical charge
Down
- an invisible ray that is part of the energy that comes from the sun
- the smallest unit into which matter can be divided without the release of electrically charged particles
- spectrum The complete range of all types of radiation that has both electric and magnetic fields and travels in waves
- each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter
- the quantity of matter contained in an atom of an element
- a negatively charged subatomic particle that can be either bound to an atom or free
- number the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table
- the elemental symbol of the last noble gas prior to that atom, followed by the configuration of the remaining electrons
- the maximum extent of a vibration or oscillation, measured from the position of equilibrium
- A form of a chemical element in which the atoms have the same number of protons but with a different number of neutrons
- the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization
25 Clues: electrons in the outermost shell of an atom • a subatomic particle with a positive electrical charge • the quantity of matter contained in an atom of an element • a letter or pair of letters used to represent a chemical element • an invisible ray that is part of the energy that comes from the sun • ...
Chemistry Elements 2024-09-23
chemistry vocab 2024-09-23
Across
- combinations of elements
- heat transferred by touch
- reaction that absorbs heat
- positivly charged atomic particles
- the capacity for doing work
- tempurate that something will heat up at
- how heat transfers from one thing to another
- obeys the zeroeth law of thermodynamics
- total mass of an atom
- location where electrons are in an atom
- neutral atomic particles
- substance that cant be broken down into smaller parts
Down
- release of energy through electromagnetic waves
- a quantum property of electrons
- where protons and neutrons are
- number above the element symbol
- reaction that releases heat
- basic unit of a chemical element
- heat transferred by waves
- distance between electromagnetic waves
- same element with different neutrons
- table with elements sorted by atomic number
- minimum amount of enery something needs
- negativly charged atomic particle
24 Clues: total mass of an atom • combinations of elements • neutral atomic particles • heat transferred by touch • heat transferred by waves • reaction that absorbs heat • reaction that releases heat • the capacity for doing work • where protons and neutrons are • a quantum property of electrons • number above the element symbol • basic unit of a chemical element • ...
Basic Chemistry 2024-09-11
Across
- energy directly involved in moving matter (p.24)
- energy in action (p.24)
- substances that conduct an electrical current in solution (p.39)
- oddly shaped checkerboard which provides a more complete listing of the known elements (p.25)
- subatomic particles that bear a negative charge (p.25)
- bond formed when electron sharing produces molecules in which the shared electrons occupy a single orbital common to both atoms (p.32)
- chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other (p.32)
- the building blocks of elements (p.25)
- the equivalent to the atomic weight or molecular weight (sum of atomic weights) weighed out in grams of any element or compound (p.29)
- occurs whenever chemical bonds are formed, rearranged, or broken (p.35)
- also known as neutral fats, are commonly known as fats when solid or oils when liquid (p.45)
- chainlike molecules made of many similar or repeating units (monomers) (p.42)
- substances composed of two or more components physically intermixed (p.29)
- a measure of hydrogen ion concentration of a solution (p.40)
- a substance that takes up hydrogen ions (H+) in detectable amounts (p.39)
- the capacity to do work (p.24)
- structural variations of an element that have the same number of protons and electrons but different number of neutrons (p.27)
- subatomic particles that bear a positive charge (p.25)
- homogeneous mixtures (meaning that the mixture has exactly the same composition or makeup throughout) of components that may be gases, liquids or solids (p. 29)
- one mole of a substance, approximately 6.02×10^23 (p.30)
- globular proteins that act as biological catalysts (p.51)
- the building blocks of proteins (p.47)
- heterogeneous mixtures, meaning that their composition is dissimilar in different areas of the mixture (p.30)
- a long, double-stranded polymer—a double chain of nucleotides that provides basic instructions for building every protein in the body (pp.53&54)
- two or more atoms held together by chemical bonds (p.28)
Down
- a substance that releases hydrogen ions (H+) in detectable amounts (p.39)
- reaction that releases energy (p.37)
- the primary energy-transferring molecule in cells (p.55)
- a group of molecules that includes sugars and starches (p.43)
- one- or two-letter chemical shorthand used to designate each element (p.25)
- form of energy stored in the bonds of chemical substances (p.24)
- modified triglycerides (diglycerides with a phosphorus-containing group and two fatty acid chains) (p.47)
- the process of atomic decay in which atoms of heavier isotopes of elements which are unstable, decompose simultaneously into more stable forms (p. 28)
- study of the chemical composition and reactions of living matter (p. 38)
- an average of the relative weights (mass numbers) of all the isotopes of an element (p.28)
- anything that occupies space and has mass (p.24)
- number of protons in the nucleus of an atom (p.27)
- stored energy (p.24)
- an energy relationship between the electrons of the reacting atoms (p.31)
- an ionic compound containing cations other than H+ and anions other than the hydroxyl ion (OH-) (p.39)
- subatomic particles that are neutral (p.25)
- heterogeneous mixtures with large, often visible solutes that tend to settle out (p.30)
- flat molecules made of four interlocking hydrocarbon rings (p.47)
- unique substances that cannot be broken down into simpler substances by ordinary chemical methods (p.25)
- a single strand of nucleotides located chiefly outside the nucleus and can be considered a “molecular slave” of DNA (p.54)
- reaction that absorbs energy (p.37)
- sum of the masses of protons and neutrons of an atom (p.27)
- formed when two or more different kinds of atoms bind (p.28)
- isotopes that exhibit radioactivity (p.28)
- regions around the nucleus in which a given electron or electron pair is likely to be found (p.26)
- central part of an atom containing protons and neutrons tightly bound together (p.25)
51 Clues: stored energy (p.24) • energy in action (p.24) • the capacity to do work (p.24) • reaction that absorbs energy (p.37) • reaction that releases energy (p.37) • the building blocks of elements (p.25) • the building blocks of proteins (p.47) • isotopes that exhibit radioactivity (p.28) • subatomic particles that are neutral (p.25) • ...
Chemistry Puzzle 2024-09-11
Across
- A solution with a pH lower than 7
- Table of elements arranged by increasing atomic number
- A gas needed for combustion
- Organic compound mainly made of carbon and hydrogen
- A pure substance made of only one kind of atom
- Smallest unit of an element
- Scientist who proposed atomic theory
- Father of the periodic table
- A type of chemical reaction that absorbs heat
- The simplest and lightest element
- A positively charged ion
- Atomic number of Oxygen
- Scientist who discovered radioactivity
- Type of bond formed by sharing electrons
Down
- Process of a solid turning directly into gas
- Table that organizes elements
- Negatively charged particle
- Type of reaction where heat is released
- Law Law relating the pressure and volume of a gas
- Measure of an atom's attraction for electrons
- The chemical symbol for gold
- Measurement unit of the amount of substance
- Amedeo, known for a gas law
23 Clues: Atomic number of Oxygen • A positively charged ion • Negatively charged particle • A gas needed for combustion • Smallest unit of an element • Amedeo, known for a gas law • The chemical symbol for gold • Father of the periodic table • Table that organizes elements • A solution with a pH lower than 7 • The simplest and lightest element • Scientist who proposed atomic theory • ...
Basic Chemistry 2024-09-13
Across
- component of all organic molecules. page 26
- Table Listing of elements. page 24
- Most useful form of energy in living systems.page 24
- average age of the relative weights of all isotopes. page 28
- Have a definite shape and volume. page 24
- The movement of charged particles.page 24
- Neither definite shape or volume. Page 24
- component of both organic and inorganic molecules. page 26
- sum of the masses of its protons and neutrons. page 27
- name given to something that has two poles of charge. page 34
- when bonds are both made and broken. page 36
- particles are larger than in a solution. page 29
- Energy in Action. page 24
- Stored energy. page 24
- Anything that occupies space and has mass. Page 24
- gains stability by losing one electron. page 32
- equal to the number of protons in it's nucleus. page 27
- particles do not settle out or scatter light. page 29
- unequal electron pair sharing
- a substance composed of two or more components physically intermixed. page 29
- Stored in bonds of chemical substances. page 24
- bonds are broken in larger molecules. page 36
- All matter is composed of it. page 25
- Have definite volume but takes the shape of its container. page 24
- positively charged. page 25
- Process of atomic decay
- the reactant accepting electrons is said to be. page 36
Down
- found as salt in bones and teeth. page 26
- Energy directly involved in moving matter. page 24
- Isotopes that experience atomic decay. page 28
- influences the pH of body fluids. page 26
- a heterogenous mixture that tends to settle out. page 30
- combination of atoms held together by chemical bonds. page 28
- elements that have multiple structural variations. page 27
- Contains protons and neutrons bound together. page 25
- when atoms attract electrons very strongly. page 34
- a substance that increases the rate of chemical reactions without themselves becoming chemically changed. page 38
- sharing of electrons. page 32
- negatively charged. page 25
- Each element is composed of it. page 24
- where an electron is most likely to be found. page 26
- occurs whenever chemical bonds are formed. page 35
- when atoms bind. page 28
- small particles bond to form larger, more complex molecules. page 36
- component of muscle proteins. page 26
- component of proteins and nucleic acids. page 26
- Capacity to do work.Page 24
- complete transfer of electrons.page 34
- reactions that release energy. page 37
- the reactant losing the electrons is said to be. page 36
50 Clues: Stored energy. page 24 • Process of atomic decay • when atoms bind. page 28 • Energy in Action. page 24 • negatively charged. page 25 • Capacity to do work.Page 24 • positively charged. page 25 • sharing of electrons. page 32 • unequal electron pair sharing • Table Listing of elements. page 24 • component of muscle proteins. page 26 • All matter is composed of it. page 25 • ...
Chemistry Revision 2024-07-19
Across
- - Center of an atom containing protons and neutrons (7)
- - Elements typically found on the left side of the periodic table (6)
- - Positively charged particles in an atom's nucleus (7)
- - Essential for respiration, atomic number 8 (6)
- - Halogen, used in disinfectants, atomic number 17 (8)
- - Basic units of matter (5)
- - Vertical groups in the periodic table (7)
- - Scientist who created the first periodic table (9)
- - Noble gas with atomic number 2 (6)
- - Negatively charged particle found in shells around the nucleus (8)
- - Basis for organic life, atomic number 6 (6)
- - Alkali metal, atomic number 11 (6)
- - Energy levels where electrons are found (14)
- - Lightest element, atomic number 1 (8)
Down
- - Another term for a vertical column in the periodic table (5)
- - Pure substances consisting of only one type of atom (8)
- - Atoms of the same element with different numbers of neutrons (8)
- - Chart organizing all known elements by atomic number (12)
- - Transition metal, atomic number 26 (4)
- - Number of protons in an atom (12)
- - Alkaline earth metal, important for bones, atomic number 20 (7)
- - Neutral particles found in the nucleus of an atom (8)
- - Scientist who proposed the model of the atom with electrons in shells (4)
- - Noble gas, atomic number 10 (4)
- - Horizontal lines in the periodic table (4)
25 Clues: - Basic units of matter (5) • - Noble gas, atomic number 10 (4) • - Number of protons in an atom (12) • - Noble gas with atomic number 2 (6) • - Alkali metal, atomic number 11 (6) • - Lightest element, atomic number 1 (8) • - Transition metal, atomic number 26 (4) • - Vertical groups in the periodic table (7) • - Horizontal lines in the periodic table (4) • ...
Chemistry Crossword 2024-05-30
Across
- objects that have both mass and volume
- if you have this then you feel the electric force
- subatomic particle with a positive charge
- group of atoms put together
- the ___ gases are very hard to react with chemically
- the atoms of an ___ are all the same
- the ___ metals are the largest family of elements
- particles that are the smallest piece of matter
- the movement of electrons
- this is the first element
Down
- the ___ number tells you how many protons there are in the atom
- the ___ share properties of metals and nonmetals
- subatomic particle with a negative charge
- a column on the periodic table
- the ___ have low conductivity and are soft or gases
- subatomic particle with no charge
- a row on the periodic table
- the ___ table is a way to organize the elements
- these metals are in the first group of the periodic table
- the study of how atoms and molecules behave
- the place in an atom where the protons and neutrons are
- these metals are in the second group of the periodic table
22 Clues: the movement of electrons • this is the first element • a row on the periodic table • group of atoms put together • a column on the periodic table • subatomic particle with no charge • the atoms of an ___ are all the same • objects that have both mass and volume • subatomic particle with a negative charge • subatomic particle with a positive charge • ...
Crossword Chemistry 2024-07-29
Across
- โครงสร้างของสารประกอบที่เกิดการเชื่อมต่อกันเป็นร่างแห
- ใช้แก้วิงเวียน
- กรดในน้ำส้มสายชู
- พอลิเมอร์ที่เกิดจากมอนอเมอร์ชนิดเดียวกันทั้งหมด
- หน่วยเล็กๆของสารในพอลิเมอร์
- พอลิเมอร์ที่เกิดขึ้นเองตามธรรมชาติ เช่น แป้ง
- ผู้ค้นพบรังสีเรเดียม
- สารที่เมื่อละลายน้ำแล้วจะนำไฟฟ้าได้
- กรดมะนาวในอุตสาหกรรม
- สารที่ใช้บอกความเป็นกรด-เบส ของสารละลาย
- ปฏิกิริยาเคมีที่เกิดขึ้นในพืช
- สูตรโมเลกุลของกรดในกระเพาะอาหาร
- กรดที่พบในมะขามป้อม ฝรั่ง
- พอลิเมอร์ที่เกิดจากการสังเคราะห์โดยปฏิกิริยาเคมี
- กรดที่ใช้กำจัดสนิม
- ใช้กำจัดไขมันและสิ่งสกปรกจากไขมันในท่อน้ำทิ้ง
Down
- คล้ายพอลิเอทิลีนแต่แข็งแรงกว่า ใช้ทำที่หุ้มสายไฟฟ้า
- การได้รับอิเล็กตรอน การลดลงของสถานะออกซิเดชันของสารเคมี
- มีรสเปรี้ยว กัดกร่อนโลหะ
- เป็นสารประกอบไฮโดรคาร์บอนประเภทอิ่มตัว
- ผู้ค้นพบธาตุกัมมันตรังสี
- รังสีที่มีอำนาจในการทะลุทลวงสูง
- พอลิเมอร์ที่ใช้ทำเส้นใยทอเสื้อผ้า
- กรดที่ใช้ทำน้ำยาล้างห้องน้ำ ล้างผิวโลหะ
- ใช้ทำผงชูรส
- กรดในน้ำอัดลม
- พอลิเมอร์ที่ประกอบด้วยมอนอเมอร์ชนิดต่างกัน
- ปฏิกิริยาการทำให้เกิดพอลิเมอร์
- เรียกอีกอย่างว่ากรดมด ใช้ในปศุสัตว์
- ใช้แก้ดินเปรี้ยว สูตรเคมี Ca(OH)2
- พอลิเมอร์สังเคราะห์ที่ใช้เป็นประโยชน์มากที่สุด
- ปฏิกิริยาเคมีที่ทำให้อะตอมหรือโมเลกุลมีการสูญเสียอิเล็กตรอน
- รังสีที่มีความสามารถในการทะลุทะลวงต่ำ ไม่สามารถทะลุผ่านแผ่นกระดาษได้
- กรดที่ใช้ผลิตปุ๋ย สูตรโมเลกุล H2SO4
- กรดที่ใช้ทำน้ำยาล้างตา
- กรดที่ทำให้โยเกิร์ตเปรี้ยว
- อนุภาพอิเล็กตรอนที่ถูกปล่อยจากนิวเคลียสขณะเกิดการสลายกัมมันตรังสี
- กลุ่มอะตอมของธาตุชนิดเดียวกัน มีเลขอะตอมเท่ากัน เลขมวลต่างกัน
- กรดที่ใช้สร้างโปรตีน
- พลาสติกที่มีสีขาวขุ่น โปรงแสง เหนียวหยุ่นตัวได้
40 Clues: ใช้ทำผงชูรส • กรดในน้ำอัดลม • ใช้แก้วิงเวียน • กรดในน้ำส้มสายชู • กรดที่ใช้กำจัดสนิม • ผู้ค้นพบรังสีเรเดียม • กรดมะนาวในอุตสาหกรรม • กรดที่ใช้สร้างโปรตีน • กรดที่ใช้ทำน้ำยาล้างตา • มีรสเปรี้ยว กัดกร่อนโลหะ • ผู้ค้นพบธาตุกัมมันตรังสี • กรดที่พบในมะขามป้อม ฝรั่ง • กรดที่ทำให้โยเกิร์ตเปรี้ยว • หน่วยเล็กๆของสารในพอลิเมอร์ • ปฏิกิริยาเคมีที่เกิดขึ้นในพืช • ปฏิกิริยาการทำให้เกิดพอลิเมอร์ • ...
Chemistry Vocabulary 2024-09-27
Across
- Last name of scientist who discovered the neutron
- Transfer of heat through WAVES
- Part of the atom composed of neutrons and protons
- Last name of scientist who discovered the electron
- Transfer of heat through CURRENTS
- measurement of chaos in the universe
- Subatomic particle with NO charge
- Last name of scientist who suggested the IDEA of an atom
- type of electron that are on the outside of the orbital rings
- same amount of protons, different amount of neutrons
- Controversial scientist that discovered the uncertainty principle
- Unit that is composed of Neutrons, Electrons, and Protons
- Subatomic particle with NEGATIVE charge
Down
- Lambda measurement in equation for specific heat
- Transfer of heat through TOUCHING
- Can have a positive or negative charge depending on electron amount
- Last name of scientist who discovered the orbiting of atoms
- Type of motion as potential energy is lost
- change in energy during a reaction
- Created the model of the atom that we know and use today
- Every substance is composed of these and every atom is a representation of the type of _____
- Subatomic particle with POSITIVE charge
- Electron ____ discovered by heisenberg
- type of Table that includes all elements
- Type of motion as Kinetic energy is lost
25 Clues: Transfer of heat through WAVES • Transfer of heat through TOUCHING • Transfer of heat through CURRENTS • Subatomic particle with NO charge • change in energy during a reaction • measurement of chaos in the universe • Electron ____ discovered by heisenberg • Subatomic particle with POSITIVE charge • Subatomic particle with NEGATIVE charge • ...
Matter & Chemistry 2023-02-20
Across
- most abundant nonmetal gases in the atmosphere
- Mendeleev constructed the periodic table of elements
- hardest of all known substances
- simplest kind of atom
- tiny group of 2 or more atoms that are bonded tightly together
- anything that takes up space and has mass
- the tiny particles that matter is composed of
- study of what substances are made of and how one substance can be changed into another
- metals metals in first far left column of periodic table
Down
- substances composed of more than one type of atom bonded together
- type of chemical reaction that occurs whenever a substance reacts rapidly with oxygen
- densest of everyday metals
- substance that is made up of only one type of atom
- amount of matter in one unit of volume
- tiny particles that swarm at tremendous speed around nucleus of an atom
- tiny extremely dense core at the center of an atom
- number name for the number of protons in an atom
- reaction process in which atoms of elements or compounds are rearranged to form new substances
- only metal that is liquid at room temperature
- elements toward left side of periodic table that tend to have lustrous silvery color and good conductors of heat/electricity
20 Clues: simplest kind of atom • densest of everyday metals • hardest of all known substances • amount of matter in one unit of volume • anything that takes up space and has mass • only metal that is liquid at room temperature • the tiny particles that matter is composed of • most abundant nonmetal gases in the atmosphere • number name for the number of protons in an atom • ...
IB Chemistry 2023-03-01
Across
- C(g) -> C+ + e-(g)
- when Gibbs free energy negative, the reaction is
- increases rate of reaction by providing an alternative pathway
- when 1 mole of a gaseous ion dissolves in water to form an infinitely dilute solution
- reaction where products are more stable than reactants
- enthalpy of [] is a state change, not a chemical reaction
- the rate of reaction can be graphically calculated with the
- the distribution of energy among the particles in a system
- if the enthalpy of solution of a compound is negative, it is likely to be
- equation used to calculate activation energy/rate constant
- in a first order reaction, rate and concentration are...
Down
- the step in a reaction mechanism with the greatest activation energy
- when 1 mole of substance is completely burnt in excess oxygen
- what factor affects lattice enthalpy?
- for a reaction to be spontaneous, the change in total entropy has to be...
- the x axis of the maxwell boltzman distribution
- when 1 mole of covalent bonds are broken in a gaseous molecule
- when 1 mole of gaseous atoms are formed from the element in it's standard state
- bond breaking is...
- when 1 mole of a substance is formed from it's elements in it's standard state
- the order of a reaction can only be determined
- factor that affects both frequency of collisions and average kinetic energy
- the rule that states enthalpy change accompanying a chemical reaction is independent of route taken
- X(g) + e- -> X-(g)
24 Clues: C(g) -> C+ + e-(g) • X(g) + e- -> X-(g) • bond breaking is... • what factor affects lattice enthalpy? • the order of a reaction can only be determined • the x axis of the maxwell boltzman distribution • when Gibbs free energy negative, the reaction is • reaction where products are more stable than reactants • in a first order reaction, rate and concentration are... • ...
Chemistry Review 2023-03-06
Across
- (two words, no spaces) formed when atoms share electrons
- (three words, no spaces) the way molecules in a substance move around relative to each other
- (two words, no spaces) where a substance may appear different, but no new substance is formed
- a negative subatomic particle that orbits the nucleus
- (two words, no spaces) a pull between two molecules that is always the same for a substance
- (two words, no spaces) these form when atoms transfer or share electrons
- a different form of an element that has the same number of protons but a different number of neutrons
- (two words, no spaces) something that results in a new substance with different properties
- a positive subatomic particle
- (two words, no spaces) the number of neutrons and protons in an element
- to provide evidence that goes against a claim
- (two words, no spaces) formed when an atom transfers an electron to another atom
- (two words, no spaces) the energy that an object has because it is moving
Down
- (two words, no spaces) this is found in the highest unfilled energy level
- the building blocks of matter
- (two words, no spaces) tells you the number of each kind of atom in a molecule.
- anything that takes up space and has mass
- the relative size of things
- a neutral subatomic particle
- a measure of how hot or cold something is
- a noticeably different form or state of the same substance
- a fundamental item that can't be easily broken into smaller pieces
- (two words,no spaces) the number of protons present in an element
- a group of atoms joined together in a particular way
24 Clues: the relative size of things • a neutral subatomic particle • the building blocks of matter • a positive subatomic particle • anything that takes up space and has mass • a measure of how hot or cold something is • to provide evidence that goes against a claim • a group of atoms joined together in a particular way • a negative subatomic particle that orbits the nucleus • ...
Chemistry Crossword 2023-01-30
Across
- at any given temperature solubility of a gas in a liquid is directly proportional to the pressure of gas above the liquid
- the graph of the solubility as a function of temperature
- the dissolving medium in any solution
- areas in the ocean where the oxygen concentration is so low that animal life suffocates
- the amount of solute that dissolves in a given quantity of a solvate
- tension on the surface of water
- not uniform in composition and are not considered solutions
- a compound that conducts electric current
- contains the maximum amount of solute for a given quantity
- contains more solute than it can theoretically hold at a given temperature
- the rate in which a solute dissolves
- dissolved particles
Down
- solid crystalline compound that contains water molecules
- heterogeneous mixture from which particles settle out upon standing
- a substance that reduces surface tension
- solutions are known as
- process of ion capture by the solvent
- loss of water by hydrate
- where water is the solvent
- heterogeneous mixture containing particles that spread throughout another substance
- compound that does not conduct electric current
21 Clues: dissolved particles • solutions are known as • loss of water by hydrate • where water is the solvent • tension on the surface of water • the rate in which a solute dissolves • the dissolving medium in any solution • process of ion capture by the solvent • a substance that reduces surface tension • a compound that conducts electric current • ...
Howard Chemistry 2023-05-25
Across
- Welcome to the ______.
- The center of an atom
- In this kind of bond, electrons are fully transferred.
- This element has symbol of "Na"
- On Saturday, Mr. Howard will be getting ______.
- This is the best event in Mr. Howard's class (it occurs most Fridays)
- The chemicals on the right side of the arrow in a chemical equation.
- Mr. Howard was best at this sport in college.
- A star explosion
Down
- Mr. Howard taught at this school before Southern.
- Fire is this type of chemical reaction
- The abbreviation for the game we played with a tennis ball.
- The last name of the other chemistry teacher at Southern
- Which pane of glass did Mr. Howard lean against during the first Kahoot of the year?
- This arrow on a molecule shows what directions the electrons are shifted toward.
- This particle is always positive
- How many times has Mr. Howard won the title belt
- In this bond, electrons are shared
- Fluorine (F) has this many valence electrons
- The number of protons in carbon
20 Clues: A star explosion • The center of an atom • Welcome to the ______. • The number of protons in carbon • This element has symbol of "Na" • This particle is always positive • In this bond, electrons are shared • Fire is this type of chemical reaction • Fluorine (F) has this many valence electrons • Mr. Howard was best at this sport in college. • ...
Chemistry Task 2023-06-19
Across
- the tendency of electrons to prefer to have eight electrons in the valency shell
- a substance that increases the rate of a chemical reaction without itself undergoing any chemical permanent change
- a negatively charged ion
- when a reaction absorbes heat
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- a flammable hydrocarbon gas of the alkane series, present in natural gas and used as bottled fuel
- the outer mostshell of electrons
- having electrical or magnetic *******
- an uncharged atomic particle that has a mass nearly equal to that of the proton
- each of the actual or potential patterns of electron density which may be formed in an atom or molecule by one or more electrons, and can be represented as a wave function
- a pair of equal or oppositely charged or magnetized poles separated by a distance
Down
- a colourless, odorless flammable gas which is the main constituent of natural gas
- the charge number of an atomic nucleus
- a positively charged ion
- a Danish physicist who made foundational contributions to understanding atomic structure and quantum theory
- a stable subatomic particle with a charge of negative electricity
- a homogenous mixture of two or more substances
- the mass of an atom of a chemical element
- relating to or denoting chemical bonds formed by the sharing of electrons between atoms
- the combining power of an element
- when a reaction releases heat
- the smallest particle of a chemical element that cam exist
22 Clues: a positively charged ion • a negatively charged ion • when a reaction absorbes heat • when a reaction releases heat • the outer mostshell of electrons • the combining power of an element • having electrical or magnetic ******* • the charge number of an atomic nucleus • the mass of an atom of a chemical element • a homogenous mixture of two or more substances • ...
chemistry crossword 2023-03-27
Across
- the interactions of substances as studied in chemistry.
- A number written at the lower right corner behind the element
- Group 2 from the left side of the metals, very reactive and not found free in nature
- Group 1 in the left side of the metals, extremely reactive and are only found in the nature as compounds, not hydrogen
- Occurs when 2 elements in different compounds trade places
- the arrow in the middle of the equation
- A positively and negatively charged atom
- Group 17 on the right side of non-metals, most reactive non-metals and only appears as compounds in nature, often found on living things
- negatively charged ion
- bonds a bond between a positive and negative charged ions
- The horizontal rows on the periodic table
- the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.
- The sharing of molecules
- a simple substance that cannot be broken down into smaller parts or changed into another substance
- Group B elements
- A compound which is held together by ionic bonds (metal and non-metal)
Down
- not good conductors and on the right side of the stairs
- When a substance changes its state (changes to a solid, liquid , gas, or plasma) or is modified (size, shape, etc) but remains the same substance.
- Group 1 from the right side in the non-metals, outer orbit is full, almost totally unreactive, doesn't form compounds
- The sharing of electrons (covalently bonds)
- describes an object's ability to repel or attract other objects.
- the points that separate the metals and nonmetals
- when substances interact with each other.
- Number in front of a compound's chemical formula telling you how many molecules of that compound are needed.
- change of an element into a different element, usually with some other particle(s) of energy emitted
- A chemical combination of 2 or more of the same atoms.
- The vertical columns on the periodic table.
- Is the basic unit of an element. It is a form of matter which may not be further broken down using any chemical means
- a substance formed when two or more chemical elements are chemically bonded together
- good conductors of heat and electricity on the left side of the stairs
- positively charged ion
- Elements that have properties of both metals and nonmetals.
32 Clues: Group B elements • negatively charged ion • positively charged ion • The sharing of molecules • the arrow in the middle of the equation • A positively and negatively charged atom • when substances interact with each other. • The horizontal rows on the periodic table • The sharing of electrons (covalently bonds) • The vertical columns on the periodic table. • ...
CHEMISTRY FUN!!!! 2023-03-30
Across
- gases that are colorless and odorless and don't like to react with other elements
- Substances that contain only one type of atom
- this is the largest category of metals
- Si
- a tiny particle of matter
- C
- He
- O
- S
- may be from the same element(element molecules),or from different elements (compound molecules)
Down
- Aluminum
- N
- atoms from two or more Different elements that are bonded together to form a new substance
- a chemical formula shows how many atoms are present
- a heat producing reaction that gets warmer
- highly reactive nonmetals that can be dangerous in a pure form
- a reaction which absorbs heat that gets cooler
- Na
- the first element on the Periodic Table
- these are the most reactive metals.
- a force that holds together two or more atoms
- Gold(symbol)
- Chlorine(symbol)
23 Clues: N • C • O • S • Si • Na • He • Aluminum • Gold(symbol) • Chlorine(symbol) • a tiny particle of matter • these are the most reactive metals. • this is the largest category of metals • the first element on the Periodic Table • a heat producing reaction that gets warmer • Substances that contain only one type of atom • a force that holds together two or more atoms • ...
Chemistry bonus 2023-04-26
Across
- going from a liquid to a solid
- being close to the intended target
- The point at which a substance melts from a solid to a liquid
- The process that plants use to create food for themselves
- Energy is released
- Directly from a solid to a gas
- The group with the highest electronegativities
- Energy is absorbed
- having all result fall in the same area
- the unit for energy
Down
- intake of oxygen, release of carbon dioxide
- The branch of science that deals with substance identification
- Two phases of a substance become indistinguishable
- Directly from a gas to a solid
- Going from a solid to a liquid
- The tendency of an atom to attract the shared pair of electrons
- Any substance at a temperature and pressure above its critical point
- going from a gas to a liquid
- The point a substance exists in three different phases.
- going from liquid to a gas
20 Clues: Energy is released • Energy is absorbed • the unit for energy • going from liquid to a gas • going from a gas to a liquid • going from a liquid to a solid • Directly from a gas to a solid • Going from a solid to a liquid • Directly from a solid to a gas • being close to the intended target • having all result fall in the same area • intake of oxygen, release of carbon dioxide • ...
chemistry vocab. 2023-04-26
Across
- Electrons are transferred between atoms
- A covalent bond where electrons are shared unequally
- Energy required to remove an electron from an atom.
- The process of demonstrating a chemical property
- Types of elements that form ionic bonds
- a regularly shaped pattern of cations and onion
- Types of elements that form covalent bond
- How strong an atom attracts electrons
- The point at which forward and reverse chemical reactions balance each other's progress
- Simplest unit of an ionic compound
Down
- A gas law that relates pressure and volume at constant temperature and amount
- A covalent bond where electrons are shared equally
- Which two elements are liquids at room temperature?
- Electrons are shared between atoms in order for all atoms to obtain a filled valence level.
- The energy released from the interaction between cations and onion
- having eight valence electrons
- The connection between two atoms in a molecule
- Simplest unit of a covalent compound
- Give an example of two elements that would probably form a covalent bond
- A concise way of representing a chemical reaction
20 Clues: having eight valence electrons • Simplest unit of an ionic compound • Simplest unit of a covalent compound • How strong an atom attracts electrons • Electrons are transferred between atoms • Types of elements that form ionic bonds • Types of elements that form covalent bond • The connection between two atoms in a molecule • a regularly shaped pattern of cations and onion • ...
Chemistry vocab 2022-12-07
Across
- that allow us to identify and classify matter
- a change that affects no more than physical properties
- the ability of two or more substances
- the object pushes out a volume of water that is equal to its own volume
- the amount of matter in a given space
- how acidic/basic something is
- the ability of a substance to be rolled or pounded into thin sheets
- the ability of a substance to be pulled into a wire
- does not hold its own shape
- it only affects the physical properties
- has to do with poison or will harm the body
- how hard something is
- the ability of a substance to burn
Down
- a chateristice of a particular substance
- the point at which something boils
- away to describe how shiney something is
- depends only on the type of matter in a simple
- another word for sell
- change from one material to another
- what we need in cars that's a little to expensive
- what blind people can't see
- is a measure of the amount of matter in an object
- when something melts
- it keeps its shape within no help
- can it transfer electricity
- is a property that depends on the amount of matter in a sample.
- the amount of space an object takes up
27 Clues: when something melts • another word for sell • how hard something is • what blind people can't see • can it transfer electricity • does not hold its own shape • how acidic/basic something is • it keeps its shape within no help • the point at which something boils • the ability of a substance to burn • change from one material to another • the ability of two or more substances • ...
Chemistry Vocabulary 2022-12-07
Across
- _______ electrons determine the stability of an element
- The smallest part of an element
- Elements on the left of the periodic table are very _______
- ______ Number tells you the energy levels
- The word for shiny
- An arrangement of chemical elements
- Groups that run up and down in columns
- Inside the nucules and has a neutral charge
- The first energy level can hold ____ electrons
- Conducts electricity
- If its _____ you can bend it
- Doesn't let energy pass through
- Elements on the right of the periodic table are very _______
Down
- _______ change doesn't change the chemical complexion
- Neutrons tells you the _______
- If it's _____ it shatters easily
- Surrounds the nuclues
- Inside the nucules and has a positive charge
- Has a negative charge and basically no mass
- Metals _______ electricity
- _______ change results in a new substance
21 Clues: The word for shiny • Conducts electricity • Surrounds the nuclues • Metals _______ electricity • If its _____ you can bend it • Neutrons tells you the _______ • The smallest part of an element • Doesn't let energy pass through • If it's _____ it shatters easily • An arrangement of chemical elements • Groups that run up and down in columns • ...
chemistry crossword 2023-07-20
Across
- What is the measure of acidity or alkalinity of a solution?
- Which category of elements typically has good electrical conductivity and is malleable?
- What is the smallest unit of a compound formed by bonding atoms?
- What property of matter is measured in kilograms or grams?
- What word describes a substance that does not dissolve in a particular solvent?
- What subatomic particle carries a positive charge?
- In a solution, what is the substance in which other substances are dissolved?
- What word describes a solution with a small amount of solute compared to the solvent?
- What term refers to the conductive surfaces used to pass electricity through an electrolyte?
- In which state of matter do particles have a fixed shape and volume?
- What is a substance made up of only one type of atom?
- What is the process of a solid turning directly into a gas without becoming a liquid first?
- What term refers to the number of electrons in the outermost shell of an atom?
- What process involves the loss of electrons or an increase in oxidation state?
- What type of bond forms when electrons are transferred from one atom to another?
- What number is placed in front of chemical formulas to balance a chemical equation?
- What type of base dissolves in water to produce hydroxide ions?
- What is the smallest unit of an element?
- scale What measurement system indicates the acidity or basicity of a solution?
- What is a substance present at the beginning of a chemical reaction?
- What is a substance composed of two or more different elements chemically bonded together?
- What is a mixture of two or more elements, at least one being a metal?
- What type of substance has a pH less than 7 and releases protons in a solution?
- What term refers to the amount of solute dissolved in a given amount of solvent?
- What term describes the process of a liquid turning into a gas at its boiling point?
- What is the symbolic representation of a chemical compound?
- What type of substance has a pH greater than 7 and accepts protons in a solution?
- What is the negatively charged subatomic particle?
- In which state of matter do particles have high kinetic energy and are far apart?
Down
- What term describes a chemical reaction that absorbs heat from the surroundings?
- What substance speeds up a chemical reaction without being consumed in the process?
- What is the solid formed in a chemical reaction that separates from the solution?
- What group of elements has a stable electron configuration and low reactivity? (first word)
- Which group of elements includes fluorine, chlorine, bromine, and iodine?
- What is the substance formed as a result of a chemical reaction?
- What term is used for a compound formed by the combination of oxygen and another element?
- What type of reaction breaks down a compound into simpler substances?
- What word describes the table that organizes elements based on their properties and atomic number?
- What term describes the process of a solid turning into a liquid at its melting point?
- What process involves the formation of ions from a neutral atom or molecule?
- What term describes a chemical reaction that releases heat to the surroundings?
- What term refers to atoms of the same element with different numbers of neutrons?
- What is the substance that is dissolved in a solvent to form a solution?
- What process involves the use of electrical energy to drive a non-spontaneous chemical reaction?
- What process involves the gain of electrons or a decrease in oxidation state?
- What separation technique is used to separate solids from liquids using a filter?
- What subatomic particle carries no charge (neutral)?
- What word describes the process of a solute mixing uniformly with a solvent?
- What type of bond is formed by the sharing of electrons between atoms?
- What is the capacity to do work or produce heat?
50 Clues: What is the smallest unit of an element? • What is the capacity to do work or produce heat? • What subatomic particle carries a positive charge? • What is the negatively charged subatomic particle? • What subatomic particle carries no charge (neutral)? • What is a substance made up of only one type of atom? • ...
Chemistry Crossword 2024-12-20
Across
- a negatively charged particle in an atom
- the ability of a substance to be shaped
- the vertical colums in the periodic table
- elements with seven valence electrons
- the ability of a substance to be drawn into wires
- a substance that can conduct electricity
- elements that are good conductors
- the number of protons and electrons in an element
- the horizontal rows in the periodic table
- a positively charged particle in an atom
Down
- elements that are not good conductors
- elements that will not react with other gases
- a neutral particle in an atom
- a change that changes the appearance of a substance
- a change that makes something into a new substance
- what does the periodic table list
- the number that is the mass of an element
- two or more substances that can be separated
- the shininess of an substance
- a substance made up of two or more elements
20 Clues: a neutral particle in an atom • the shininess of an substance • elements that are good conductors • what does the periodic table list • elements that are not good conductors • elements with seven valence electrons • the ability of a substance to be shaped • a negatively charged particle in an atom • a substance that can conduct electricity • ...
Chemistry G123 2024-12-20
Across
- mixture containing small particles of an insoluble solid
- characteristic of metals when it can be drawn into rods and sheets
- the smallest particle of an element that can take part in a chemical reaction
- Electrons that are not confined to any place
- a process occurring at the surface of a liquid, involving the change of state from a liquid into a vapour at a temperature below the boiling point
- a substance that neutralises an acid, producing a salt and water as the only products.
- the temperature at which a liquid turns into a solid
- Group 7 of the periodic table
- Type of bond where the electron gets transferred
- a measure of how much of a solute dissolves in a solvent
- power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
- number the total number of of protons and neutrons in the nucleus of an atom
- the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
- accompanied by or requiring the absorption of heat.
- when mass is divided by formula mass
- a substance which changes colour when added to acidic or alkaline solutions
- ....'s constant
- the process of boiling a liquid and then condensing the vapour produced back into a liquid
Down
- the electrode in any type of cell at which reduction (the gain of electrons) takes place; in electrolysis it is the negative electrode
- the process when different fluids mix as a result of the random motions of particles
- Group 1 of the periodic table
- characteristic of metals when it can be hammered into sheets
- charged particles made from an atom, or groups of atoms
- a substance that cant be further divided into simpler substances by chemicals
- the temperature at which a liquid boils, when the pressure of the gas created above the liquid equals atmospheric pressure
- shells the outside part of an atom around the atomic nucleus
- the central region of an atom that is made up of the protons and neutrons of the atom
- Type of bond that has a shared pair of electrons
- a substance formed by the chemical combination of two or more elements
- example of a catalyst
- A substance that does not conduct electricity
- if two liquids form a completely uniform mixture when added together
- number the number of the vertical column that an element is in on the Periodic table
- atoms of the same element that have the same proton number but a different nucleon number
- two substances mixed together but not chemically combined
- accompanied by the release of heat.
- the change of a vapour or a gas into a liquid; during this process heat is given out to the surroundings
- a state in which the rate of the forward reaction equals the rate of the backward reaction.
- passing an electric current through ionic substances
- The mass, in grams, of 1 mole of a substance
- speeds up a reaction
- Group8 of the periodic table
42 Clues: ....'s constant • speeds up a reaction • example of a catalyst • Group8 of the periodic table • Group 1 of the periodic table • Group 7 of the periodic table • accompanied by the release of heat. • when mass is divided by formula mass • Electrons that are not confined to any place • The mass, in grams, of 1 mole of a substance • A substance that does not conduct electricity • ...
Chemistry G123 2024-12-20
Across
- mixture containing small particles of an insoluble solid
- characteristic of metals when it can be drawn into rods and sheets
- the smallest particle of an element that can take part in a chemical reaction
- Electrons that are not confined to any place
- a process occurring at the surface of a liquid, involving the change of state from a liquid into a vapour at a temperature below the boiling point
- a substance that neutralises an acid, producing a salt and water as the only products.
- the temperature at which a liquid turns into a solid
- Group 7 of the periodic table
- Type of bond where the electron gets transferred
- a measure of how much of a solute dissolves in a solvent
- power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
- number the total number of of protons and neutrons in the nucleus of an atom
- the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
- accompanied by or requiring the absorption of heat.
- when mass is divided by formula mass
- a substance which changes colour when added to acidic or alkaline solutions
- ....'s constant
- the process of boiling a liquid and then condensing the vapour produced back into a liquid
Down
- the electrode in any type of cell at which reduction (the gain of electrons) takes place; in electrolysis it is the negative electrode
- the process when different fluids mix as a result of the random motions of particles
- Group 1 of the periodic table
- characteristic of metals when it can be hammered into sheets
- charged particles made from an atom, or groups of atoms
- a substance that cant be further divided into simpler substances by chemicals
- the temperature at which a liquid boils, when the pressure of the gas created above the liquid equals atmospheric pressure
- shells the outside part of an atom around the atomic nucleus
- the central region of an atom that is made up of the protons and neutrons of the atom
- Type of bond that has a shared pair of electrons
- a substance formed by the chemical combination of two or more elements
- example of a catalyst
- A substance that does not conduct electricity
- if two liquids form a completely uniform mixture when added together
- number the number of the vertical column that an element is in on the Periodic table
- atoms of the same element that have the same proton number but a different nucleon number
- two substances mixed together but not chemically combined
- accompanied by the release of heat.
- the change of a vapour or a gas into a liquid; during this process heat is given out to the surroundings
- a state in which the rate of the forward reaction equals the rate of the backward reaction.
- passing an electric current through ionic substances
- The mass, in grams, of 1 mole of a substance
- speeds up a reaction
- Group8 of the periodic table
42 Clues: ....'s constant • speeds up a reaction • example of a catalyst • Group8 of the periodic table • Group 1 of the periodic table • Group 7 of the periodic table • accompanied by the release of heat. • when mass is divided by formula mass • Electrons that are not confined to any place • The mass, in grams, of 1 mole of a substance • A substance that does not conduct electricity • ...
Advanced Chemistry 2025-03-13
CHEMISTRY REVIEW 2025-03-18
Across
- – The process of coating metal, usually steel or iron, with a layer of zinc to prevent rusting.
- Composition Reactions – Reactions where two or more substances combine to form one new compound.
- - A metal used to protect iron rusting.
- – The substances formed as a result of a chemical reaction.
- Reaction – A process where substances change into new substances with different properties.
- – A chemical used to kill or control unwanted plants (weeds).
- – A substance that has a pH above 7 and produces hydroxide ions (OH⁻) in water.
- – A reaction that absorbs heat energy.
- – A solid that forms from a chemical reaction in a solution.
- Reaction – A chemical reaction where a substance burns in oxygen, releasing heat and light.
Down
- Change – A change in a substance’s form or appearance without altering its chemical composition.
- – A type of pesticide specifically used to kill insects.
- Dioxide - A gas responsible for acid rain, along with Nitrogen Oxides.
- – A method used to remove pollutants from industrial exhaust gases using liquid sprays or filters.
- – A large molecule made of repeating smaller units called monomers.
- Material – A man-made substance created through chemical processes.
- Reaction – A chemical reaction between an acid and a base that produces water and a salt.
- Decomposition Reactions – Reactions where one compound breaks down into two or more simpler substances.
- – A substance that has a pH below 7 and produces hydrogen ions (H⁺) in water.
- – A substance used to eliminate or control pests.
- – A reaction that releases heat energy.
- – A mixture of two or more metals or a metal and another element.
- – The starting substances in a chemical reaction.
23 Clues: – A reaction that absorbs heat energy. • - A metal used to protect iron rusting. • – A reaction that releases heat energy. • – A substance used to eliminate or control pests. • – The starting substances in a chemical reaction. • – A type of pesticide specifically used to kill insects. • – The substances formed as a result of a chemical reaction. • ...
Crossword Chemistry 2025-04-13
30 Clues: susbsj • jsbxjx • zjxhxu • cuhcxg • zidbdu • jzzbsus • jxxbxyz • a sampe • isxuddb • idncucbx • kzbzzuzn • ucbchcxn • jxbxudnd • sksbhzxy • zzxggshh • udbxucdh • hcbjccbcn • bdudndddy • ixxbuxdbd • kdhxxuxbx • idbddhbddn • jsbsusbsns • dggdvhuddg • bshxxbxhxb • izxhxhxhxb • sishshshah • jdbdudhhdh • dihfcudbdjd • jdbcudsbdhd • difbvugncncjc
NUCLEAR CHEMISTRY 2025-04-22
Across
- how an atom is referred to in nuclear chemistry
- a very heavy nucleus splits into more stable nuclei of intermediate mass
- light mass nuclei combine to form a heavier mare stable nucleus
- use heat for nuclear reactors to produce electrical energy
- neutron absorbing rods that help control the reaction by limiting the number of free neutrons
- a reaction that affects the nucleus of an atom
- the protons and neutrons of an atom collectively
- unit used to measure nuclear radiation
- a reaction in which the material that starts the reaction is also on on the products and can start another reaction
- an electron emitted from the nucleus during radioactive decay
Down
- the minimum amount of nuclide that provides the number of neutrons needed to sustain a chain reaction
- the time required for half the atoms of radioactive nuclide to decay
- 2 protons and 2 neutrons emitted from the nucleus during decay
- the difference between the mass of an atom and the sum of the masses of its protons, neutrons and electrons
- use controlled fission chain reactions to produce energy or radioactive nuclides
- a change in the identity of a nucleus as a result of a change in the number of its proton
- stable nuclei cluster over a range of neutron-proton ratios
- the spontaneous disintegration of a nucleus into a slightly lighter nucleus accompanied by emission of radiation
- used to slow down the fast neutrons produced in fission
- radiation absorbing material that is used to decrease exposure to radiation in nuclear reactors
20 Clues: unit used to measure nuclear radiation • a reaction that affects the nucleus of an atom • how an atom is referred to in nuclear chemistry • the protons and neutrons of an atom collectively • used to slow down the fast neutrons produced in fission • use heat for nuclear reactors to produce electrical energy • ...
Chemistry Vocabulary 2025-04-23
Across
- – The starting materials in a chemical reaction.
- – A substance that tastes bitter and can turn red litmus paper blue.
- – A mixture where one substance is dissolved in another and looks the same throughout.
- – The part of a solution that gets dissolved.
- – A tiny particle in the nucleus of an atom with no charge (neutral).
- – The part of a solution that does the dissolving (usually a liquid, like water).
- – The smallest building block of matter; everything is made of atoms.
- – A reaction that gives off heat, making the area feel warmer.
- Properties – Traits you can observe or measure without changing what it is (like color or melting point).
- – The new substances made after a chemical reaction.
- – A substance made when two or more different elements join together chemically.
- Energy – Heat energy; how fast the particles in a substance are moving.
- – How much of a substance can dissolve in a solvent.
- – A reaction between an acid and a base that makes water and a salt.
Down
- – A mixture where you can see the different parts (like a salad).
- Properties – Traits that describe how a substance can change into a new substance (like flammability).
- – A combination of two or more things that aren’t chemically bonded.
- Table – A chart that shows all known elements, organized by their properties.
- – Two or more atoms bonded together; it can be the same or different elements.
- – A mixture that looks the same throughout (like salt water).
- – A tiny particle in the nucleus of an atom with a positive charge.
- – A reaction that takes in heat, making the area feel colder.
- Reaction – A process where substances change into new substances.
- – How much solute is in a solution compared to the amount of solvent.
- – A tiny particle with a negative charge that moves around the nucleus of an atom.
- – A pure substance made of only one kind of atom.
- – A substance that tastes sour and can turn blue litmus paper red.
- of Conservation of Mass – A rule that says matter can’t be created or destroyed in a chemical reaction; the amount of mass stays the same before and after the reaction.
28 Clues: – The part of a solution that gets dissolved. • – The starting materials in a chemical reaction. • – A pure substance made of only one kind of atom. • – The new substances made after a chemical reaction. • – How much of a substance can dissolve in a solvent. • – A mixture that looks the same throughout (like salt water). • ...
Chemistry review 2025-06-02
Across
- element with 7 valence electrons
- when two or more elements form or break a bond
- two or more atoms ionically bonded
- tiny negatively charged
- smallest unit of matter
- force holding nucleus together
- atom that has gained or lost an electron
- force that pushes electrons apart from eachother
- atoms closely packed together, unmoving
- elements on the right side of the table
- holds two atoms together
- atoms spaced far apart
- atoms packed close but sliding by
- the basic measurement in chemistry
Down
- two or more atoms covalently bonded
- type of bond where atoms share electrons
- type of bond where one atom takes an electron
- many atoms forming a charged compound
- outermost electrons
- elements on the left side of the table
- 118 different varieties
- uncharged in the nucleus
- positive in the nucleus
- amount of space a substance occupies
- measured with a thermometer
- first column of elements
- other force holding nucleus together
27 Clues: outermost electrons • atoms spaced far apart • 118 different varieties • tiny negatively charged • positive in the nucleus • smallest unit of matter • uncharged in the nucleus • first column of elements • holds two atoms together • measured with a thermometer • force holding nucleus together • element with 7 valence electrons • atoms packed close but sliding by • ...
Chemistry & Ingredients 2025-06-18
Across
- Two saccharides linked together, such as sucrose.
- Mixtures of fats and oils converted to fatty acids by heat and then purified.
- Used to remove oil; also called surface active agent.
- Two or more atoms joined together by a chemical bond.
- Natural or synthetic ingredient that is added to personal care products to prevent spoilage.
- The branch of science that deals with chemicals related to life processes and their reactions to the body.
- Product packaged under pressure and blended with a propellant (gas) inside a container, usually a can; flammable.
- Positively charged particle in the nucleus of an atom.
- Equal mixtures of inorganic and organic substances that do not dissolve in water and that have been sifted and mixed until free of coarse, gritty particles.
- Potential hydrogen; unit of measurement that indicates whether a substance is acidic, alkaline or neutral.
- Ingredients that help hold the product together, provide a base for performance ingredients and safely reduce pathogens with a preservative system.
- Compounds consisting of carbon, oxygen, hydrogen and nitrogen that join together in chains to form proteins to provide chemicals the body needs for growth and tissue repair.
- Refers to anything that occupies space and has weight.
- A change in a substance that creates a new substance with chemical characteristics different from those of the original substance.
- Water-based solution measuring more positive hydrogen ions than negative hydroxide ions; measures less than 7 on the pH scale.
- Cosmetic product formulated with a thickening agent to increase its viscosity (thickness or density).
- Negatively charged particles that orbit around the nucleus of an atom.
- Refers to liquids not able to be mixed.
- Particle with no electric charge found in the nucleus of an atom.
Down
- Water-based solution measuring more negative hydroxide ions than positive hydrogen ions; measures higher than 7 on the pH scale.
- A simple unit of a carbohydrate.
- Group of monomers that bond together to create larger, more complex compounds.
- Any substance that dissolves into a liquid to form a solution.
- Form of matter having definite weight but indefinite volume and shape.
- Form of matter having definite weight and volume, but no definite shape.
- Ingredients responsible for producing the desired effect; for example, botanicals, antioxidants/vitamins, acids, retinoids and peptides.
- The non-polar end of a molecule that has an affinity for oil; oil-loving.
- The polar end of a molecule that has an affinity for water; water-loving.
- Any substance able to dissolve another substance.
- Change, A change in the physical characteristics of a substance without creating a new substance.
- The smallest complete unit of an element.
- The scientific study of matter and the physical and chemical changes of matter.
- Bond, A chemical bond formed by two amino acid molecules where amino end attaches to acid end; also known as an end bond.
- Bond involving the sharing of electrons of two or more atoms.
- A process in which individual particles of an active agent can be stored within a shell, coated within a film or surrounded by a polymeric material to create particles within the micrometer or millimeter range.
- Form of matter having definite weight, volume and shape.
- Indicates equal number of positive hydrogen ions and negative hydroxide ions; measures 7 on the pH scale.
- Formed when two or more immiscible substances are united with the help of a binder or gum-like substance known as an emulsifier.
- Mixtures of two or more kinds of molecules that will separate if left standing.
39 Clues: A simple unit of a carbohydrate. • Refers to liquids not able to be mixed. • The smallest complete unit of an element. • Two saccharides linked together, such as sucrose. • Any substance able to dissolve another substance. • Used to remove oil; also called surface active agent. • Two or more atoms joined together by a chemical bond. • ...
Chemistry Vocab 2025-05-14
Across
- The number of these determines the element.
- Atomic ____. Where it is on the periodic table.
- ____ Gas. Nonreactive "Country Club"
- Mixture that is different throughout.
- Mixture that is the same all the way through.
- Atomic ____. Largest at the bottom left side of Periodic Table.
- Elements with the same number of electron shells.
- Less stable from more or less neutrons.
- Everything above and right of the stairs.
- Two or more elements chemically bonded in a fixed ratio.
- The likelihood they will take someone else's electrons.
- Elements with similar properties.
- Everything below and left of the stairs.
Down
- ____ Energy. Amount of energy needed to steal electrons.
- The number of these determines the stability of the element.
- Super reactive nonmetals.
- More or less electrons than protons.
- Atomic ____. How much an element weighs.
- The number of these determines the charge.
- The substance that is dissolved.
- Homogenous mixture of two or more substances.
- The substance that makes something dissolve.
- ____ Metals. Super reactive metals.
- Any matter that is not a mixture.
- Two or more atoms chemically bonded.
25 Clues: Super reactive nonmetals. • The substance that is dissolved. • Any matter that is not a mixture. • Elements with similar properties. • ____ Metals. Super reactive metals. • More or less electrons than protons. • ____ Gas. Nonreactive "Country Club" • Two or more atoms chemically bonded. • Mixture that is different throughout. • Less stable from more or less neutrons. • ...
Chemistry Crossword 2025-05-08
Across
- Bond where electrons are shared
- Element found in all organic molecules
- A scale of acidity or alkalinity
- – Heat transfer through electromagnetic waves
- – Related to heat
- – Heat transfer through fluids
- Outer covering of some sea creatures
- Opposite of acidic
- Sea animals that build reefs
- Maintains stable pH in a solution
- Best Chem Teacher
- Gas increasing in the atmosphere, dissolves in oceans
Down
- Bond where electrons are transferred
- Related to the ocean
- Mineral form used by marine organisms to make shells
- Element with one proton
- Neither acidic nor basic
- – Material that slows heat transfer
- Essential for building shells
- Heat transfer through direct contact
- Ocean water
21 Clues: Ocean water • – Related to heat • Best Chem Teacher • Opposite of acidic • Related to the ocean • Element with one proton • Neither acidic nor basic • Sea animals that build reefs • Essential for building shells • – Heat transfer through fluids • Bond where electrons are shared • A scale of acidity or alkalinity • Maintains stable pH in a solution • – Material that slows heat transfer • ...
Nuclear Chemistry 2025-05-19
Across
- Positively charged particle in the nucleus
- The time it takes for half the nuclei in a radioactive sample to decay
- A particle consisting of 2 protons and 2 neutrons. Released during decay.
- The presence of radioactive material in an undesired location
- The center of the atom containing protons and neutrons
- Energy emitted from a source in the form of particles or waves
- Emergency Shutdown of a nuclear reactor
- A reaction involving a change in an atom's nucleus, often producing a different element
- The splitting of a heavy nucleus into lighter nuclei, releasing energy
- The part of a nuclear reactor where the fission reaction takes place
- Devices used in nuclear reactors to control the fission rate by absorbing neutrons
- Negatively charged particle orbiting the nucleus
- Neutrally charged particle in the nucleus
- The process by which an unstable atomic nucleus loses energy by radiation
Down
- A self-sustaining reaction where the products trigger further reactions
- High-energy electromagnetic Radiation released from a nucleus
- A high-speed electron emitted when a neutron turns into a proton
- Another isotope used as nuclear fuel for fission reactions
- A commonly used fuel in fission reactions
- Radioactive particles that fall to the ground after a nuclear explosion or accident
- Atoms of the same element with different number of neutrons
- An isotope with an unstable nucleus that undergoes radioactive decay
- The smallest unit of matter
- The combining of light nuclei to form a heavier nucleus, also releasing energy
- The use of nuclear reactions to generate electricity
25 Clues: The smallest unit of matter • Emergency Shutdown of a nuclear reactor • A commonly used fuel in fission reactions • Neutrally charged particle in the nucleus • Positively charged particle in the nucleus • Negatively charged particle orbiting the nucleus • The use of nuclear reactions to generate electricity • The center of the atom containing protons and neutrons • ...
Chemistry Vocabulary 2025-05-09
Across
- father of the periodic table
- type of elements located on the right side of the periodic table
- positively charged ion formed by electron loss
- atoms with same atomic number but different mass
- subatomic particle located in energy levels
- family name for series of period seven elements located at the bottom of the periodic table
- scientist that proposed that electrons moved in fixed orbits around the nucleus
- another name for covalent compounds
- a educated guess based on observations
Down
- a measure of an atom's ability to attract electrons in a bond
- ionized gas found in lightning
- type of elements on the staircase on the periodic table
- mass per unit volume
- type of bond formed when electrons are shared
- a positively charged particle
- type of bond formed through the transfer of electrons
- family name for series of period six elements located at the bottom of the table
- negatively charged ion formed by electron gain
- type of elements located on the left side of the periodic table
- smallest unit of an element
20 Clues: mass per unit volume • smallest unit of an element • father of the periodic table • a positively charged particle • ionized gas found in lightning • another name for covalent compounds • a educated guess based on observations • subatomic particle located in energy levels • type of bond formed when electrons are shared • positively charged ion formed by electron loss • ...
Organic Chemistry 2025-05-23
Across
- compound with –COOH group
- reaction of a substance with oxygen
- a hydrocarbon with only single bonds
- organic acid found in vinegar
- gas produced when hydrocarbons burn completely
- fuel used in jet engines
- plastic made from ethene
- process that breaks large hydrocarbons into smaller ones
- used to test for alkenes (decolourises)
- general formula for alkanes
Down
- greenhouse gas from incomplete combustion
- process used to separate crude oil into components
- unsaturated hydrocarbon with a triple bond
- ethyne is also known as...
- general formula for alkenes
- type of polymer formed from one monomer type
- hydrocarbon series with double bonds
- functional group in alcohols
- alcohol with two carbon atoms
- alkene with two carbon atoms
20 Clues: fuel used in jet engines • plastic made from ethene • compound with –COOH group • ethyne is also known as... • general formula for alkenes • general formula for alkanes • functional group in alcohols • alkene with two carbon atoms • organic acid found in vinegar • alcohol with two carbon atoms • reaction of a substance with oxygen • a hydrocarbon with only single bonds • ...
Chemistry Vocab 2025-07-31
Across
- – A substance that increases H₃O⁺ ion concentration in water.
- CHANGE – A process that creates one or more new substances.
- – A measure of the total heat content of a system at constant pressure.
- – Groups of two or more atoms bonded together.
- – The physical form of matter: solid, liquid, or gas.
- – A reaction that absorbs heat, causing the temperature to drop.
- – A mixture in which particles eventually settle at the bottom.
- – Substances formed at the end of a chemical reaction.
- – A very small piece of matter.
- – A combination of substances that can be separated.
- – Substances that start a chemical reaction.
- – A reaction that releases heat, raising the temperature of the surroundings.
Down
- – A mixture where particles are between the size of those in a solution and suspension.
- – A scale that measures acidity or alkalinity of a solution.
- – A substance that speeds up a chemical reaction without being used up.
- – A chemical reaction where a substance reacts with oxygen, producing heat and light.
- – A substance that increases OH⁻ ion concentration in water.
- – Positively charged particles found in the nucleus of an atom.
- – Anything that has mass and takes up space.
- – The smallest unit of an element that retains its properties.
- CHANGE – A change that does not alter the chemical makeup of a substance.
- – To spread evenly into another substance to form a solution.
- – Negatively charged particles that orbit an atom's nucleus.
- – A solid that forms and settles when two solutions react.
- – A mixture where one substance dissolves in another.
25 Clues: – A very small piece of matter. • – Anything that has mass and takes up space. • – Substances that start a chemical reaction. • – Groups of two or more atoms bonded together. • – A combination of substances that can be separated. • – The physical form of matter: solid, liquid, or gas. • – A mixture where one substance dissolves in another. • ...
chemistry vocabulary 2022-12-07
Across
- a positively charged region at the center of the atom
- a one- or two-letter abbreviation for a chemical element name.
- a subatomic particle found in the nucleus of every atom except that of simple hydrogen.
- smallest building blocks of matter and make up everything around us
- one basic substances.made of atoms only one kind and that cannot be separated by ordinary chemical means into simpler substances
- a subatomic particle found in the nucleus of every atom with a positive charge
- When an object has more electrons than protons
- an element that form positive ions and has metallic bonds.
- negatively charged subatomic particle that can be either bound to an atom or free (not bound).
- organizes all discovered chemical elements in rows
Down
- quantity of matter contained in an atom of an element
- chemical element and its compounds in the natural state or the result of a manufacturing process
- very small partical that is a building block for atom
- the number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the nucleus
- group of electrons circulating around a nucleus or a molecule.
- a chemical element that generally lacks a predominance of metallic properties
- occurs when an atom has more protons than electrons
- an element that has properties that are intermediate between those of metals and nonmetals.
- process that takes place when a substance (or substances) are brought into contact with each other and produce a new substance(s)
- level An energy level represents the 3-dimensional space surrounding the nucleus where electrons are most likely to be.
20 Clues: When an object has more electrons than protons • organizes all discovered chemical elements in rows • occurs when an atom has more protons than electrons • quantity of matter contained in an atom of an element • a positively charged region at the center of the atom • very small partical that is a building block for atom • ...
Chemistry Vocabulary 2022-12-06
Across
- The evidence of a new solid is _________
- Brittle and brakes easy
- Is malleable and a good conductor
- The amount of electrons the second level holds
- The amount of electrons the first level holds
- What two directions are periods going in PT?
- What two directions are columns going in the PT?
- Rings of energy
- Less valence means elements are ________
- The evidence of a spark is _____
- The evidence of difference is _____
Down
- Has properties of metal and non-metals
- The evidence of a change in heat is ____
- What side on the PT are Metals found on?
- Has a positive charge
- More valence means more ______
- Has no charge
- The amount of electrons the third level holds
- The evidence of steaming is ___
- Has negative charge
20 Clues: Has no charge • Rings of energy • Has negative charge • Has a positive charge • Brittle and brakes easy • More valence means more ______ • The evidence of steaming is ___ • The evidence of a spark is _____ • Is malleable and a good conductor • The evidence of difference is _____ • Has properties of metal and non-metals • The evidence of a new solid is _________ • ...
Chemistry Vocabulary 2022-12-06
Across
- The evidence of a new solid is _________
- Brittle and brakes easy
- Is malleable and a good conductor
- The amount of electrons the second level holds
- The amount of electrons the first level holds
- What two directions are periods going in PT?
- What two directions are columns going in the PT?
- Rings of energy
- Less valence means elements are ________
- The evidence of a spark is _____
- The evidence of difference is _____
Down
- Has properties of metal and non-metals
- The evidence of a change in heat is ____
- What side on the PT are Metals found on?
- Has a positive charge
- More valence means more ______
- Has no charge
- The amount of electrons the third level holds
- The evidence of steaming is ___
- Has negative charge
20 Clues: Has no charge • Rings of energy • Has negative charge • Has a positive charge • Brittle and brakes easy • More valence means more ______ • The evidence of steaming is ___ • The evidence of a spark is _____ • Is malleable and a good conductor • The evidence of difference is _____ • Has properties of metal and non-metals • The evidence of a new solid is _________ • ...
Chemistry Crossword 2022-12-10
Across
- A pure substance found on the periodic table.
- A type of heterogeneous mixture where solids are intermixed.
- A separation technique where a solution passes through a material that pulls particles out.
- A type of heterogenous mixture where different liquids settle and form layers.
- A type of Homogenous mixture made up of a solute and a solvent.
- A description of something that can be dissolved in water.
- A major factor that affects the change of state of matter.
- A curve of a liquid that is more attracted to its container forming a slight crater.
- A state of matter with no fixed shape or fixed volume.
- The product that gets dissolved when making a solution.
- A separation technique where solids are put through increasingly smaller holed spaces.
- A separation technique where a mechanical-mixture is separated by hand.
- The point where no more solid can be dissolved into a liquid.
Down
- A type of mixture where the components become one and cannot be distinguished from each other.
- A pure substance made up of more than one Element
- A state of matter with a fixed shape and volume.
- A type of mixture where the components maintain their original identities.
- A separation technique for liquids that have different boiling temperatures.
- A state of matter with no fixed shape and a fixed volume.
- The product that does the dissolving to make a solution (often water).
- Something that takes up space and has wight.
- The force that acts on water allowing it to not over flow a glass and for small creatures to walk on it.
- A curve of a liquid that is more attracted to itself forming a slight dome.
- The smallest atomic building block of matter.
- A separation technique for solutions where the solvent is boiled off leaving behind the solute.
- When a solid product seemingly disappears into a liquid.
26 Clues: Something that takes up space and has wight. • A pure substance found on the periodic table. • The smallest atomic building block of matter. • A state of matter with a fixed shape and volume. • A pure substance made up of more than one Element • A state of matter with no fixed shape or fixed volume. • The product that gets dissolved when making a solution. • ...
Chemistry Crossword 2022-12-10
Across
- Model shows all electrons
- Your favorite chemistry teacher
- A clown in jail
- A test in the laboratory
- K
- Has no net electric charge
- Particles moving around the nucleus
- Electrons in the outer shell
- Positive particles in the nucleus
- S
- Positively charged particle
- ____ table
- Another name to call ionic compounds
- Negatively charged particle
Down
- Electro____
- Density is ____ over volume
- Eye protection
- Leave turning brown and yellow. This is a ___ change.
- Combination of two or more atoms
- Used to weigh substances
- What you should do with a dead chemist.
- Taste sour
- Ladies' favorite chemical element
- Model shows valence electrons
- Na
- Cu
- salt dissolves in water. This is a ___ change.
27 Clues: K • S • Na • Cu • Taste sour • ____ table • Electro____ • Eye protection • A clown in jail • A test in the laboratory • Used to weigh substances • Model shows all electrons • Has no net electric charge • Density is ____ over volume • Positively charged particle • Negatively charged particle • Electrons in the outer shell • Model shows valence electrons • Your favorite chemistry teacher • ...
Chemistry Exam 2023-05-09
Across
- Subatomic particles found inside the nucleus of every atom
- An element that possesses a preponderance of properties in between, or that are a mixture of, those of metals and nonmetals
- A substance with two or more atoms
- Releases energy from its surroundings
- variable that changes as a result of the independent variable manipulation
- 6.022 × 10
- A small particle with a negative charge that is found in all atoms.
- A form of a chemical element in which the atoms have the same number of protons but with a different number of neutrons.
- Composed by a single element or compound
- The process of using electricity to split water into hydrogen and oxygen
- A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
- Fundamental items that can't be easily broken into smaller pieces
Down
- A variable that isn't changed by other variables
- A substance that takes part in and undergoes changes in a reactions
- Opaque, lustrous elements that are good conductors of heat and electricity.
- Process used by plants and other organisms to convert light energy into chemical reaction.
- A process in which sugars are transformed into a new product through chemical reactions
- Russian Chemist and inventor is known for formulating the periodic law
- The same number of each type of atom on both sides of the equation
- Reaction that absorbs energy
- A force that acts from the outside
- A column of elements in the periodic table of the chemical elements.
- A substance that is present at the end of a chemical reaction.
- A row of chemical elements
- a substance made from two or more different elements that have been chemically joined.
25 Clues: 6.022 × 10 • A row of chemical elements • Reaction that absorbs energy • A substance with two or more atoms • A force that acts from the outside • Releases energy from its surroundings • Composed by a single element or compound • A variable that isn't changed by other variables • Subatomic particles found inside the nucleus of every atom • ...
GENERAL CHEMISTRY 2023-03-24
Across
- ELEMENT WITH THE HIGHEST ELECTRONEGATIVITY
- MADE BY COOLING CERTAIN MOLTEN MATERIALS IN A WAY THAT PREVENTS THEM FROM CRYSTALIZING
- DISTRUPTS THE HYDROGEN BONDS BETWEEN WATER MOLECULES
- MEASURE OF RESISTANCE OF LIQUID TO FLOW
- MADE UP OF TWO ATOMS OF HYDROGEN AND AN ATOM OF OXYGEN
- THE ABILITY OF THE LIQUID TO FLOW
- FORCES THAT EXIST BETWEEN TWO ATOMS
- ARE IN CONTINUOUS, RAPID, RANDOM MOTION THEREFORE POSSESSING INETIC ENERGY
- SMALLEST PORTION OF A CRYSTAL LATTICE
- HAVE DEFINITE VOLUME AND TAKE THE SHAPE OF THE CONTAINER
- ORGAN OF THE BODY WITH 90% OF WATER
- WATER LOVING END
- FORCES THAT EXIST BETWEEN MOLECULES
Down
- THE TOTAL THREE–DIMENTIONAL ARRANGEMENT PARTICE OF A CRYSTAL
- ALL MATTER IN ANY STATE, CONSISTS OF VERY __________
- CAME FROM A GREEK WORD WHICH MEANS "WITHOUT SHAPE"
- A COLLISION WHEREIN THERE IS NO NET LOSS IN KINETIC ENERGY IN THE SYSTEM AS A RESULT OF THE COLLISION
- IDENTICAL AND REPEATING STRUCTURE OF A SOLID
- HELPS YOU UNDERSTAND THE BEHAVIOR AND PROPERTIES OF THE THREE STATES OF MATTER
- PROPONENT OF LONDON DISPERSION FORCES
- THE ABILITY TO MIX WITH OTHER SUBSTANCE
- HAVE DEFINITE SHAPE AND VOLUME
- THE TENDENCY OF LIQUID TO RISE
- MOLECULAR SHAPE OF WATER MOLECULE
- MEANS CHANGE
25 Clues: MEANS CHANGE • WATER LOVING END • HAVE DEFINITE SHAPE AND VOLUME • THE TENDENCY OF LIQUID TO RISE • THE ABILITY OF THE LIQUID TO FLOW • MOLECULAR SHAPE OF WATER MOLECULE • FORCES THAT EXIST BETWEEN TWO ATOMS • ORGAN OF THE BODY WITH 90% OF WATER • FORCES THAT EXIST BETWEEN MOLECULES • PROPONENT OF LONDON DISPERSION FORCES • SMALLEST PORTION OF A CRYSTAL LATTICE • ...
GENERAL CHEMISTRY 2023-03-24
Across
- FORCES THAT EXIST BETWEEN MOLECULES
- THE TENDENCY OF LIQUID TO RISE
- ARE IN CONTINUOUS, RAPID, RANDOM MOTION THEREFORE POSSESSING INETIC ENERGY
- HELPS YOU UNDERSTAND THE BEHAVIOR AND PROPERTIES OF THE THREE STATES OF MATTER
- SMALLEST PORTION OF A CRYSTAL LATTICE
- THE ABILITY TO MIX WITH OTHER SUBSTANCE
- ELEMENT WITH THE HIGHEST ELECTRONEGATIVITY
- MADE BY COOLING CERTAIN MOLTEN MATERIALS IN A WAY THAT PREVENTS THEM FROM CRYSTALIZING
- THE ABILITY OF THE LIQUID TO FLOW
- CAME FROM A GREEK WORD WHICH MEANS "WITHOUT SHAPE"
- MEANS CHANGE
- MEASURE OF RESISTANCE OF LIQUID TO FLOW
Down
- DISTRUPTS THE HYDROGEN BONDS BETWEEN WATER MOLECULES
- HAVE DEFINITE VOLUME AND TAKE THE SHAPE OF THE CONTAINER
- FORCES THAT EXIST BETWEEN TWO ATOMS
- HAVE DEFINITE SHAPE AND VOLUME
- A COLLISION WHEREIN THERE IS NO NET LOSS IN KINETIC ENERGY IN THE SYSTEM AS A RESULT OF THE COLLISION
- MADE UP OF TWO ATOMS OF HYDROGEN AND AN ATOM OF OXYGEN
- MOLECULAR SHAPE OF WATER MOLECULE
- IDENTICAL AND REPEATING STRUCTURE OF A SOLID
- WATER LOVING END
- ORGAN OF THE BODY WITH 90% OF WATER
- THE TOTAL THREE–DIMENTIONAL ARRANGEMENT PARTICE OF A CRYSTAL
- ALL MATTER IN ANY STATE, CONSISTS OF VERY __________
- PROPONENT OF LONDON DISPERSION FORCES
25 Clues: MEANS CHANGE • WATER LOVING END • HAVE DEFINITE SHAPE AND VOLUME • THE TENDENCY OF LIQUID TO RISE • MOLECULAR SHAPE OF WATER MOLECULE • THE ABILITY OF THE LIQUID TO FLOW • FORCES THAT EXIST BETWEEN TWO ATOMS • FORCES THAT EXIST BETWEEN MOLECULES • ORGAN OF THE BODY WITH 90% OF WATER • SMALLEST PORTION OF A CRYSTAL LATTICE • PROPONENT OF LONDON DISPERSION FORCES • ...
Chemistry Lessons 2025-01-15
Across
- An assembly of several atoms
- Name of the last element of the periodical classification
- Name of an ion with a positive charge
- solution which has a pH > 7.0
- Name of the solution used to identify chloride ions
- solution which has a pH < 7.0
- Number of protons of the last element in the periodic table
- Year of publication of the periodic classification
- The smallest particle of a chemical element
- substance with the ability to dissolve other substances
Down
- process for reducing the concentration of a solution by adding a solvent
- Name of the chemical family made up of atoms that do not need to gain or lose electrons
- solution which has a pH = 7.0
- substance dissolved in a solution
- Name of the link in which two atoms share two electrons
- Number of columns in the periodical classification
- technique for separating several components of a mixture
- process by which a solute is incorporated into a solvent to form a homogeneous mixture called a solution
- a scale used to specify the acidity or basicity of solutions
- a pure body is composed of a …… chemical substance (number)
- Name of the last electronic layer occupied by electrons in an atom
- liquid to be placed in the chromatography tank
- Part of the atom containing protons and neutrons
23 Clues: An assembly of several atoms • solution which has a pH = 7.0 • solution which has a pH > 7.0 • solution which has a pH < 7.0 • substance dissolved in a solution • Name of an ion with a positive charge • The smallest particle of a chemical element • liquid to be placed in the chromatography tank • Part of the atom containing protons and neutrons • ...
Chemistry Vocabulary 2025-02-14
Across
- Takes place only of the surface of a liquid
- A measure of the amount of matter in an object
- Made of two or more substances which are not chemically combined
- Diagrams showing the relationship between two variables
- A substance that cannot be broken down into other substances
- Two or more atoms bonded together
- Particles which make up elements
- No definite shape, no definite volume
- The amount of space occupied by matter, LxWxH
- Has a definite volume and definite shape
Down
- Combination of symbols that shows the ratio of elements in a compound
- Measure of the average energy of the of the particles in a substance
- The measure of the force of gravity on an object
- The study of the properties of matter and how matter changes
- One or two letter set of characters used to identify an element
- Phase change from liquid to solid
- Amount of mass in a given volume, D= M/V
- Anything that has mass and takes up space
- Substance made of two or more elements combined in a specific ratio
- Definite volume, but no definite shape
20 Clues: Particles which make up elements • Phase change from liquid to solid • Two or more atoms bonded together • No definite shape, no definite volume • Definite volume, but no definite shape • Amount of mass in a given volume, D= M/V • Has a definite volume and definite shape • Anything that has mass and takes up space • Takes place only of the surface of a liquid • ...
Chemistry - Elements 2025-03-03
Across
- The home planet of a hero in this DC movie is also a useful laser medium
- Can be utilized as a common disinfectant and chemical warfare
- The most malleable of all metals, and can be drawn to a wire of a single-atom width
- Historically and in literature referred to as "brimstone"
- The "digital age" or "information age" would not be possible without this element
- By mass, it is the most common element on Earth
- Found in rich deposits of pollucite
- Crucial strategic resources in World War 1 & 2 for aviation purposes
- Isotope is a nuclear fission product
- The sharp and pungent smell is the origin of this Greek word "stench"
- One of four elements that are ferromagnetic at room temperature
- The only metallic element known to be liquid at standard temperature and pressure
- Electric signs utilized this element which was an evolution of the Geissler tube
- Component of DNA, RNA, ATP and phospholipids, complex compounds fundamental to cells
- Extremely rare metal with excellent resistance to corrosion
- 3rd hardest element with a Mohs hardness of 8.5
Down
- Separated from Hafnium for nuclear reactors
- Most abundant element in the universe
- Gemstones such as chrysoberyl
- Component of YBCO and electroceramics
- Used medicinally as laxatives and antacids
- Name derives from Latin calx "lime"
- Used in fiber optic networks and as polymerization catalysts, as well as infrared night vision systems
- Used as "glassmakers soap" through Middle Ages until modern times
- 6th most abundant element in Earth's crust
- Occurs mainly as pegmatitic minerals
- Primarily used in lithium-ion batteries, and manufacture of magnetic, wear resistant and high-strength alloys
- Critical for normal nerve transmission
- Used in flash lamps and arc lamps as well as a general anesthetic
- Highest electrical conductivity, thermal conductivity, and reflectivity of any metal
- Most abundant noble gas in the Earth's crust, comprising 0.00015%
- This native metal is a key constituent of the respiratory enzyme complex cytochrome c oxidase
- Highest melting and boiling points among all metalloids and nonmetals
- Biocompatible metal with a range of medical applications
34 Clues: Gemstones such as chrysoberyl • Name derives from Latin calx "lime" • Found in rich deposits of pollucite • Occurs mainly as pegmatitic minerals • Isotope is a nuclear fission product • Most abundant element in the universe • Component of YBCO and electroceramics • Critical for normal nerve transmission • Used medicinally as laxatives and antacids • ...
organic chemistry 2025-03-04
Across
- the process to make ethanol from glucose
- the property of how easily a liquid evaporates
- small molecules used to make polymers
- the name of process to separate pertroleum
- a familiy of similar compounds with same general formula and functional group
- molecules contain C and H only
- CnH2n+1COOH
- a reaction has only one product formed
- a reaction has a larger molecule and a small molecule(H2O) formed
- type of polymerisation to make PET and nylon
Down
- a reaction needs UV light
- natural polymer with amide link
- molecules with same moleular formula, but different structural formulae
- type of polymerisation using alkenes
- main constituent of natural gas
- CnH2n
- 可生物降解的
- a reaction in which a H in an alkane is replaced by a Cl atom
- CnH2n+1OH
- the molecules used to make natural polymer with amide link
- CnH2n+2
21 Clues: CnH2n • 可生物降解的 • CnH2n+2 • CnH2n+1OH • CnH2n+1COOH • a reaction needs UV light • molecules contain C and H only • natural polymer with amide link • main constituent of natural gas • type of polymerisation using alkenes • small molecules used to make polymers • a reaction has only one product formed • the process to make ethanol from glucose • the name of process to separate pertroleum • ...
Chemistry Definitions 2024-10-31
Across
- The family that lithium is in
- the family that neon is in
- A bond between two different elements
- A molecule that is symmetrical
- A phase change from solid to gas
- Subatomic particle with no charge
- A mixture that is uniform in composition
- Mrs. Kordvanis favorite element
- The family that fluorine is in
- A reaction that breaks down a compound
- A reaction that involves a hydrocarbon
- Chaos or disorder
- The family that copper is in
Down
- The phase of matter with the biggest distance between the particles
- The family that calcium is in
- A phase change from gas to solid
- The subatomic particle that determines the atomic number
- A mixture of water and sand
- Subatomic particle in the energy levels
- The strongest intermolecular force. Also the name of an element.
- The bond that forms when electrons are shared
- The number within a compound
- The bond that forms when electrons are transferred
23 Clues: Chaos or disorder • the family that neon is in • A mixture of water and sand • The number within a compound • The family that copper is in • The family that lithium is in • The family that calcium is in • A molecule that is symmetrical • The family that fluorine is in • Mrs. Kordvanis favorite element • A phase change from gas to solid • A phase change from solid to gas • ...
Chemistry terms 2025-08-25
Across
- – State of matter with definite volume but indefinite shape.
- – Smallest unit of an element that retains its chemical properties.
- – Substance that easily vaporizes at normal temperatures.
- – Pouring liquid off from solid or heavier liquid without disturbing sediment.
- – Solid with a repeating, ordered structure.
- – Theory stating that matter is made of indivisible atoms.
- – Substance made of only one type of atom.
- – Mixture with uniform composition throughout.
- – The study of matter, its properties, and reactions.
- – Mass cannot be created or destroyed in a chemical reaction.
- – Well-substantiated explanation of some aspect of the natural world.
- – Two or more atoms bonded together.
- – Form of matter with uniform and definite composition.
- – State of matter with definite shape and volume.
- – Combination of two or more substances not chemically combined.
Down
- – Matter made of only one type of particle.
- – Separating solids from liquids using a filter.
- – Solid without a long-range ordered structure.
- – Anything that has mass and occupies space.
- – Statement describing a consistently observed natural phenomenon.
- – A procedure to test a hypothesis.
- – Separating substances based on differences in boiling points.
- – A testable explanation for a scientific observation.
- – Substance made of two or more elements chemically combined.
- – Mixture in which the composition is not uniform.
- – Physical form of matter: solid, liquid, or gas.
- – The types and amounts of elements in a substance.
- – State of matter with neither definite shape nor volume.
28 Clues: – A procedure to test a hypothesis. • – Two or more atoms bonded together. • – Substance made of only one type of atom. • – Matter made of only one type of particle. • – Anything that has mass and occupies space. • – Solid with a repeating, ordered structure. • – Mixture with uniform composition throughout. • – Solid without a long-range ordered structure. • ...
Chemistry Vocab 2025-08-12
Across
- A method of converting between units using conversion factors.
- A solution that can still dissolve more solute at a given temperature.
- A solution that contains the maximum amount of dissolved solute at a given temperature.
- liquids that do mix and form a homogeneous solution (e.g., alcohol and water).
- A ratio used to convert one unit into another (e.g., 1 inch = 2.54 cm).
- liquids that do not mix to form a solution (e.g., oil and water).
- A statement that two values or units are equal (used in conversion factors, e.g., 60 minutes = 1 hour).
- The ratio of the uncertainty of a measurement to the measured value, expressed as a percentage. Formula: (Uncertainty / Measured Value) × 100%
- Curve A graph showing how solubility changes with temperature.
- A property that does not depend on the amount of substance (e.g., density, boiling point, color).
- The boundary between two immiscible substances (e.g., between oil and water).
- A homogeneous mixture of a solute dissolved in a solvent.
Down
- A device that displays measurements as numbers on a screen (e.g., digital thermometer or electronic balance).
- The amount of solute in a given amount of solvent or solution. Common units: g/L, mol/L (molarity)
- A solution where water is the solvent.
- The substance that is dissolved in a solution.
- Describes a solution that has a small amount of solute compared to solvent.
- A mixture with a uniform composition throughout (e.g., saltwater).
- The process of a solute dissolving in a solvent to form a solution.
- The mass of a substance per unit volume. Formula: Density = Mass / Volume
- A solution that contains more dissolved solute than is normally possible at that temperature (unstable).
- Describes a solution that has a large amount of solute dissolved in it.
- The maximum amount of a solute that can dissolve in a solvent at a specific temperature.
- The curved surface of a liquid in a container; measurements should be read from the bottom of the meniscus at eye level.
- The substance that dissolves the solute (usually the one in greater amount).
- A device that shows measurements using a scale and pointer (e.g., a ruler or thermometer with a needle).
26 Clues: A solution where water is the solvent. • The substance that is dissolved in a solution. • A homogeneous mixture of a solute dissolved in a solvent. • A method of converting between units using conversion factors. • Curve A graph showing how solubility changes with temperature. • liquids that do not mix to form a solution (e.g., oil and water). • ...
Chemistry Review 2025-10-03
Across
- what a column is called on the periodic table
- charge of the electron
- ____ electrons that are on the outside shell of an atom
- part of the atom outside of the nucleus
- the simplest substance made of one type of atom
- unit for solid volume
- density=____/volume
- what a row is called on the periodic table
- which part of the atom determines the element
- elements on the stairstep
- items with a pH from 7.1-14
- items ____ dense than one will float in water
- charge of the neutron
- unit for mass
- substance made of two or more elements that are chemically combined
- elements to the left of the stairstep
Down
- atoms of the same element, but with a different number of neutrons
- charge of the proton
- the independent variable is the item that ______
- items with a pH from 0-6.9 are considered _____
- constants are items that stay the ____
- items to the left of the arrow in a chemical equation
- unit for liquid volume
- density of water (spell out number)
- a rusting car is a ______ change
- elements to the right of the stairstep
- the fourth state of matter
- atoms with a charge (either positive or negative)
- mass number=protons + __________
- substance made of two or more substances that are physically combined
- items to the right of the arrow in a chemical equation
31 Clues: unit for mass • density=____/volume • charge of the proton • unit for solid volume • charge of the neutron • charge of the electron • unit for liquid volume • elements on the stairstep • the fourth state of matter • items with a pH from 7.1-14 • a rusting car is a ______ change • mass number=protons + __________ • density of water (spell out number) • ...
Chemistry Vocab 2025-11-13
Across
- Separation of a pure substance as it precipitates out of solution at low temperature.
- Bond type that yields substances with the most diverse set of properties.
- Substances are separated by boiling at different temperatures.
- Elements that form anions and are poor conductors of electricity.
- Technique for separating an insoluble solid from a liquid.
- Bond formed by strong electrostatic attraction between charged atoms.
- Forms of an element, like diamond and graphite, with different bonding and structure.
- A particle consisting of a few atoms held together by covalent bonds.
- Technique used to separate substances based on differences in solubility in a mobile phase.
- The most reactive nonmetals on the periodic table.
- Highly stable gasses in Group 18.
- Another term for a homogeneous mixture.
Down
- Charge on an atom that has lost electrons.
- Charge on an atom that has gained electrons.
- In paper chromatography, the paper is called the _____ phase.
- Substance in a solution present in largest amount.
- City where an explosion in a nuclear reactor caused massive contamination of the surrounding area.
- Another word for a pure substance.
- Formed when an atom loses one or more electrons.
- Earth metal in the fourth period.
- Forms of an atom that have different number of neutrons.
- Element that is mined for its use as an excellent nuclear fuel.
- An ordered crystal of many particles arranged in a repeating pattern.
- Technique that separates substances by density by spinning at high speed.
- Substance in solution present in smaller amount.
- Family of soft, solid highly reactive elements.
- A mixture of metals.
- In paper chromatography, the moving solvent is called the _____ phase.
- Elements that are large in volume and have low specific heats.
- Group of radioactive inner transition metals in the f-block.
- An atom with more electrons than protons.
- Element with the smallest radius on the periodic table.
32 Clues: A mixture of metals. • Earth metal in the fourth period. • Highly stable gasses in Group 18. • Another word for a pure substance. • Another term for a homogeneous mixture. • An atom with more electrons than protons. • Charge on an atom that has lost electrons. • Charge on an atom that has gained electrons. • Family of soft, solid highly reactive elements. • ...
Chemistry Rocks!! 2025-12-17
Across
- Negative ion
- The smallest unit of an element
- The ability to attract electrons
- Electrons involve in bonding
- What happens to electrons in an ionic bond
- The shortest covalent bond
- Positive charge in the nucleus
- The SI unit for temperature
- Phase of matter where the particles vibrate
Down
- Two or more substances physically combined
- What happens to electrons within a covalent bond
- The space occupied by matter
- Anything that has mass and volume
- The SI unit for length
- A substance with atoms from different elements chemically combined
- Instrument to measure mass
- The difference between two values
- Positive ion
- Amount of matter in an object
- Mass per unit of volume
20 Clues: Negative ion • Positive ion • The SI unit for length • Mass per unit of volume • Instrument to measure mass • The shortest covalent bond • The SI unit for temperature • The space occupied by matter • Electrons involve in bonding • Amount of matter in an object • Positive charge in the nucleus • The smallest unit of an element • The ability to attract electrons • ...
Topic Areas in Chemistry 2024-03-12
Across
- The study of the structures of chemicals, chemical synthesis, and chemical and physical properties of polymers and macromolecules
- The scientific study of the chemical and biochemical phenomena that occur in natural places
- The application of computer simulations to assist in solving chemical problems
- The study of the structures and chemical reactions relevant in the production, protection, and use of crops and livestock
Down
- The branch of physical chemistry concerned with the relationship between electrical potential difference and identifiable chemical change
- The study of chemical processes and interactions of all biological and non-biological components of foods
- The study of chemistry concerned with the chemical effects of light
- The discipline at the intersection of chemistry and pharmacy involved with designing and developing pharmaceutical drugs
- The study of the chemistry of the Earth's atmosphere and that of other planets is studied
9 Clues: The study of chemistry concerned with the chemical effects of light • The application of computer simulations to assist in solving chemical problems • The study of the chemistry of the Earth's atmosphere and that of other planets is studied • The scientific study of the chemical and biochemical phenomena that occur in natural places • ...
Scientific method and dimensional analysis 2022-12-08
Across
- what class are we in
- summary based on experimental measurements and observations
- what the scientist changes in the experiment
- measuring system based on the meter, liter, and gram as units of length
- things that do not change in an experiment
- first step of the scientific method
- testing the hypothesis
Down
- type of constant describing the setting of the experiment
- variable affected by the change
- fourth step to scientific method
- who is our chemistry teacher
- making an educated guess
- Things that must be controlled in an experiment
- quantity representing the amount of matter in a particle or object
14 Clues: what class are we in • testing the hypothesis • making an educated guess • who is our chemistry teacher • variable affected by the change • fourth step to scientific method • first step of the scientific method • things that do not change in an experiment • what the scientist changes in the experiment • Things that must be controlled in an experiment • ...
Spanish learning chapter 2 2021-10-22
18 Clues: la mesa • la tiza • el papel • la pluma • el reloj • la silla • la física • la puerta • la química • la ventana • la pizarra • la mochila • la economía • la papelera • el trimestre • la especialización • el/la_compañero/a_de_clase • la administración de empresas
Unit 1 2024-09-11
14 Clues: - keemia • - lemmik • - ajalugu • - õppeaine • - kirjandus • - kirjandus • - bioloogia • - geograafia • - saksa keel • - matemaatika • - matemaatika • - prantsuse keel • - hispaania keel • - kunst; kunstiõpetus
Les matières scolaires 2022-10-01
At school 2021-02-04
Project 1 page 35 word list 2025-02-03
Anthony Chiappetta stoich 2022-03-08
Across
- a yield of a certain percent
- math and science term
- has to do with moles
- combining chemistry and biology
- the process of converting something
- an atom between (Pa) and a atom of 237
Down
- name of a science class
- a unit of measurment used to weigh atoms
- a atom with a mass of 12
- a atom with the symbol of (Mc)
10 Clues: has to do with moles • math and science term • name of a science class • a atom with a mass of 12 • a yield of a certain percent • a atom with the symbol of (Mc) • combining chemistry and biology • the process of converting something • an atom between (Pa) and a atom of 237 • a unit of measurment used to weigh atoms
Chemistry 2022-08-17
Across
- composed of one kind of atom
- the smallest unit of matter
- science, where chemists use this knowledge to make new products, improve processes, and solve problems.
- the study of carbon and its compounds
- the ratio of an objects mass to its volume and is measured in gram per milliliter or cubic centimeter
- the branch of chemistry that applies physics to the study of chemistry
Down
- composed of 2 or more elements chemically combined
- anything that has mass and occupies space
- helps us to understand how things work, contributes to our knowledge, and help us make predictions about what will happen
- the study of matter and energy and the interactions between them
10 Clues: the smallest unit of matter • composed of one kind of atom • the study of carbon and its compounds • anything that has mass and occupies space • composed of 2 or more elements chemically combined • the study of matter and energy and the interactions between them • the branch of chemistry that applies physics to the study of chemistry • ...
Chemistry Crossword 2020-12-10
Across
- Phenolphthalein changes to this colour in alkaline solution
- these salts produce carbon dioxide on reaction with acids
- This sort of series is a family of organic compounds
- A metal that exists as a liquid at room temperature
- Element used by Rutherford during his alfa-scattering experiment
- Quantum of light energy
- both brass and bronze are an alloy of this element
- sp3 hybridized carbon has this geometry
- Hair and nails are made up of this protein
- Alcohol produced by the fermentation of sugarcane
- the solution having pH greater than 7
- Proposed the electronic structure of an atom
Down
- This food flavouring is a dilute solution of acetic acid
- Important metal in the mineral content of bones
- Acid produced by ants stings and bites
- Fruity smelling substance obtained from the reaction between alcohol and carboxylic acid
- A white lusturous metal used for ornaments tarnish to black on exposure to air.
- proposed the theory of the existence of Atom
- The toxic gas produced by incomplete combustion of organic compounds
- Method to find the concentration of acid or alkali
20 Clues: Quantum of light energy • the solution having pH greater than 7 • Acid produced by ants stings and bites • sp3 hybridized carbon has this geometry • Hair and nails are made up of this protein • proposed the theory of the existence of Atom • Proposed the electronic structure of an atom • Important metal in the mineral content of bones • ...
Chemistry Crossword 2020-12-10
Across
- , he was number 1
- , rare earth metal
- , atomic number 94
- , a unit measure
- , When different elements join together they form these
- , a positive compound
- , educated guess
- , nether can be destroyed or created
- , used in welding
- , positive charge
- , type of battery
- , laughing
Down
- , Glenn T. seaborg
- , molecules undergo a rearrangement
- , you need this
- , a Noble
- , runny
- , a negative compound
- , the study of
- , no charge
- , A scientist who found an element (first name only)
- , negative charge particle
- , bananas
- , a unit measure
- , gone nuclear
25 Clues: , runny • , bananas • , a Noble • , laughing • , no charge • , the study of • , gone nuclear • , you need this • , a unit measure • , educated guess • , a unit measure • , he was number 1 • , used in welding • , positive charge • , type of battery • , Glenn T. seaborg • , rare earth metal • , atomic number 94 • , a negative compound • , a positive compound • , negative charge particle • ...
General Chemistry 2020-12-07
Across
- It is the number of moles of that component divided by the total number of moles of solute and solvent.
- It is a concentration that are used when studying the properties of solution related to vapor pressure and temperature changes.
- It is the universal solvent.
- A homogeneous mixture of one subtance dissolved in another substance.
- It occurs when molecules of water are attracted to other substances.
- The combined force of attraction among water molecules and with the molecules of the molecules of the surrounding material.
- A molecule that has electrically charged areas.
- The tightness across the surface of water that is caused by the polar molecules pulling on one another.
- Resistance of a liquid to flow.
- The dipole-dipole interactions experienced when H is bounded to N, O, or F, are usually strong.
- substance that do not have charged answer.
- The thing doing the dissolving.
Down
- A ratio of the amount of solute to the amount of solvent.
- The attractions between molecules are not nearly as strong as the intramolecular attractions (bonds) that hold the compounds together.
- The tendency of electron cloud to distort.
- It describes the number of moles of the substance per liter of liquid.
- The amount of energy needed to increase the temperature of something 1 degree C.
- The thing that dissolves away.
- The attractive force between water molecules.
- Interaction that are found in solution of ions.
- It describes the only set of conditions at which all three phases can exist in equilibrium with one another.
- Intermolecular forces that bind similar molecules to one another.
- The relationship among the solid, liquid, and vapor states (or phases), of a substance in a sealed container can be represented in. a single graph.
23 Clues: It is the universal solvent. • The thing that dissolves away. • Resistance of a liquid to flow. • The thing doing the dissolving. • The tendency of electron cloud to distort. • substance that do not have charged answer. • The attractive force between water molecules. • Interaction that are found in solution of ions. • A molecule that has electrically charged areas. • ...
Chemistry Review 2021-05-31
Across
- Nonmetal + nonmetal. (unit five)
- Messiness, disorder. (unit eleven)
- The concentrations of reactants and products are this at equilibrium. (unit twelve)
- Less than the maximum amount of solute dissolved in a solvent at a certain temp. (unit nine)
- Spread evenly, looks uniform from the outside. (unit two)
- Made the first experimental working model of the atom. (unit three)
- Discovered atomic mass. (unit four)
- Used to convey the accuracy of an instrument's measurement. (unit one)
- To compress very large or very small numbers. (unit one)
- Movement of a gas through a small opening. (unit eight)
- Break apart/down. (unit thirteen)
- Conducts electricity when dissolved in water. (unit thirteen)
Down
- Measures atomic pressure. (unit eight)
- Not spontaneous, forced. (unit ten)
- The rule that states that electrons will occupy individual orbitals before pairing with each other to minimize repulsions. (unit three)
- In a Voltaic cell it is negatively charged and will get larger as it is reduced. (unit fourteen)
- Along with being in a closed container, this is a necessary ingredient for equilibrium. (unit twelve)
- Vertical columns, also known as a family. (unit four)
- Type of reaction that occurs when there is a change in oxidation state and a free/uncombined element. (unit fourteen)
- Energy it takes to initiate/start a reaction. (unit eleven)
- Equal to a certain quantity of something (6.02x10^23 particles). (unit seven)
- Formula that shows the simplified/reduced version of a molecule. (unit seven)
- Rule that states that atoms gain/lose/share electrons to get 8 valence electrons. (unit five)
- The liquid that does the dissolving within a solution. (unit nine)
- Has mass and volume. (unit two)
- 2 light nuclei combine to make a heavier one. (unit ten)
26 Clues: Has mass and volume. (unit two) • Nonmetal + nonmetal. (unit five) • Break apart/down. (unit thirteen) • Messiness, disorder. (unit eleven) • Not spontaneous, forced. (unit ten) • Discovered atomic mass. (unit four) • Measures atomic pressure. (unit eight) • Vertical columns, also known as a family. (unit four) • Movement of a gas through a small opening. (unit eight) • ...
