chemistry Crossword Puzzles
Chemistry Vocab 2018-02-05
Across
- A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie
- the degree or intensity of heat present in a substance or object
- energy that an object possesses by virtue of being in motion
- a form of energy associated with the movement of atoms and molecules in any material
- power derived from the utilization of physical or chemical resources, especially to provide light and heat
- a thermodynamic quantity equivalent to the total heat content of a system
- energy cannot be created or destroyed, it can only be transformed from one form to another
- a phase transition from the liquid phase to vapor
- the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
- the energy needed to raise the temperature of 1 gram of water through 1 °C
- heat the heat required to raise the temperature of the unit mass of a given substance by a given amount
- an apparatus for measuring the amount of heat involved in a chemical reaction or other process
Down
- the process of measuring the amount of heat released or absorbed during a chemical reaction
- the measure of bond strength in a chemical bond
- energy stored in the chemical bonds of a substance
- states that regardless of the multiple stages or steps of a reaction, the total enthalpy change for the reaction is the sum of all changes
- the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
- of a reaction or process accompanied by or requiring the absorption of heat
- the process or result of joining two or more things together to form a single entity
- a reaction or process accompanied by the release of heat
20 Clues: the measure of bond strength in a chemical bond • a phase transition from the liquid phase to vapor • energy stored in the chemical bonds of a substance • a reaction or process accompanied by the release of heat • energy that an object possesses by virtue of being in motion • the degree or intensity of heat present in a substance or object • ...
Chemistry Crossword 2017-11-09
Across
- pure substance that cannot be broken down into other substances; substance made up of only one type of atom
- shiny, malleable, ductile element that conducts electricity
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- group 18 elements in the periodic table;the most stable and unreactive elements
- a reaction that takes place when two or more substances react to form new substances
- description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
- pure substance formed when non-metals combine
- catalyst involved in chemical reactions in living things
- atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
- the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
- mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
Down
- anything that has mass and occupies space
- combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- number of protons in the nucleus of one atom of an element
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
- element that has both metallic and non-metallic properties
- change of state from a solid to a liquid
- group of atoms joined by covalent bonds
- orbit of electrons around the nucleus of an atom
- invisible negatively charged particle that orbits the nucleus of an atom
- measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
- pure substance formed when at least one metal and one non-metal combine
- change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
- neutral particle in the nucleus of an atom
- combination of pure substances; unlike a compound, the components of a mixture do not combine chemically and are not always in the same ratio
25 Clues: group of atoms joined by covalent bonds • change of state from a solid to a liquid • anything that has mass and occupies space • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • orbit of electrons around the nucleus of an atom • catalyst involved in chemical reactions in living things • ...
Chemistry Crossword 2017-11-08
Across
- atoms or a group of atoms that have been electrically charged
- positive charges
- a new substance produces in a chemical reaction between reactants.
- negative charges
- release heat
- chemical combination of two or more elements in a specific ratio
- results from a chemical reaction
- made up of two or more substance combined
- mixtures are easy to see
- anything on the periodic table
- the experiment is in the open
- characteristics that can be used to describe a substances
Down
- anything that has mass and occupies space
- are pure substance formed as a result of the attraction between particles of opposite charges
- absorbs heat
- two or more substance are combined to form a new substance.
- made up of one type of matter
- the average mass of an element in atomic mass units
- nonmetals combine
- an element is defined by the number of protons
- are subtance that help a reaction rate
- the experiment is closed a bag
- if it a solid or a liquid how it is measured
- a substance that reacts with another substance.
- two or more substance that look like are one
25 Clues: absorbs heat • release heat • positive charges • negative charges • nonmetals combine • mixtures are easy to see • made up of one type of matter • the experiment is in the open • the experiment is closed a bag • anything on the periodic table • results from a chemical reaction • are subtance that help a reaction rate • anything that has mass and occupies space • ...
Chemistry Crossword. 2017-11-08
Across
- mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance\
- positively charged centre of an atom
- property that describes the physical appearance and composition of a substance
- an experiment in which all reactants and all products of a chemical reaction are accounted for
- a reaction that takes place when two or more substances react to form new substances
- group 2 elements in the periodic table
- dull, brittle element that does not conduct electricity
- amount of mass in a given volume of a substance
- group 18 elements in the periodic table
- homogeneous mixture
Down
- description of a solid that can be stretched into a long wire
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- the smallest part of an element that is representative of that element
- number of protons in the nucleus of one atom of an element
- slow chemical change that occurs when oxygen in the air reacts with metal
- substance that reacts with another substance or substances in a chemical reaction to create a new substances with different properties
- metals group 1 elements in the periodic table
- principle that matter is not created or destroyed in a chemical reaction
- group of atoms acting as one
- change in the appearance or state of a substance that does not change the composition
- changing of state from a solid to a liquid
- chemical combination of two or more elements in a specific ratio
- an experiment in which one or more products of a chemical reaction can escape
- mass of a substance that can dissolve in a given amount of solvent to form a saturated solution at a given temperature
25 Clues: homogeneous mixture • group of atoms acting as one • positively charged centre of an atom • group 2 elements in the periodic table • group 18 elements in the periodic table • changing of state from a solid to a liquid • metals group 1 elements in the periodic table • amount of mass in a given volume of a substance • dull, brittle element that does not conduct electricity • ...
chemistry crossword 2017-11-07
Across
- catalyst involved in chemical reactions in living things
- substance made of only one kind of matter, which has a unique set if properties
- invisible negatively charged particle that orbits around the nucleus of an atom
- change in the appearance or state of a substance that does not change the composition
- descriptions of a substance that can be pounded or rolled into sheets
- chemical reaction that releases energy
- pure substance formed when non-metals combine
- change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
- atoms that have become electrically charged because it has lost or gained electrons
- change of state from solid to a gas or from a gas to a solid
- pure substances formed when at least one metal or non-metal combine
- positively charged particle in the nucleus of an atom
Down
- neutral particle in the nucleus of an atom
- chemical combination of two or more elements in a specific ratio
- anything that has mass and occupies space
- pure substance that cannot be broken down into other substances; a substance made up of only one type of atom
- combination of pure substances; unlike a compound, the components of a mixture do not combine chemically and are not always in the same ratio
- group 18 elements in the periodic table; the most stable and nonreactive elements
- chemical reaction that absorbs energy
- number of protons in the nucleus of one atom of an element
- positively charged that centre of an atom; contains protons and neutrons
- shiny, malleable, ductile element that conducts electricity
- property that describes the physical appearance and composition of a substance
- substance that strongly resists the flow of electricity
- vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a family
25 Clues: chemical reaction that absorbs energy • chemical reaction that releases energy • anything that has mass and occupies space • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • positively charged particle in the nucleus of an atom • substance that strongly resists the flow of electricity • ...
Chemistry Crossword 2017-11-07
Across
- group 17 elements in the periodic table;the most reactive non-metals
- cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
- positively charged particle in the nucleus of an atom
- an experiment in which one or more products of a chemical reaction can escape
- chemical reaction that absorbs energy
- group 18 elements in the periodic table;the most stable and unreactive elements
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- change in the appearance or state of a substance that does not change the composition
- change that results when two or more substances react to create a different substance or substances
- pure substance formed when non-metals combine
- combination of pure substances
Down
- description of a substance that can be pounded or rolled into sheets
- substance that helps a chemical reaction to proceed more quickly
- substance that strongly resists the flow of electricity
- catalyst involved in chemical reactions in living things
- chemical reaction that releases energy
- pure substance formed when at least one metal and one non-metal combine
- neutral particle in the nucleus of an atom
- a table in which the elements are organized by their physical and chemical properties
- heterogeneous mixture;mixture in which the different substances that make up the mixture are visible
- vertical column of elements in the periodic table
- substance made of only one kind of matter, which has a unique set of properties
- element that has both metallic and non-metallic properties
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
25 Clues: combination of pure substances • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle in the nucleus of an atom • pure substance formed when non-metals combine • vertical column of elements in the periodic table • positively charged particle in the nucleus of an atom • substance that strongly resists the flow of electricity • ...
Chemistry Crossword 2017-11-10
Across
- Organic catalyst
- Made up of one type of matter and has a unique set of
- A chemical change, which absorbs heat energy.
- When material change state, but does not change composition
- An experiment kin which all reactants and all products of a chemical
- A pure substance formed when at least one metal and one non-metal
- Greek word for "same kind"
- A substance that reacts with another substance or substance
- Mixture in which the different substance are easy to see.
- Mixtures of two or more pure substance that look like one substance.
- A new substance produced in a chemical reaction between reactant.
- substance to form a new substance and gives off energy.
- A chemical change, which release heat energy.
Down
- are accounted for.
- Cloudy mixture that can be separated.
- chemical reaction to create a new substance with different products
- Greek word for "different kind"
- Hazardous household materials information system
- Is a chemical reaction that occurs when oxygen reacts with
- When two or more substance react to form a new substance(the new substance has new properties)
- An expirement in which one or more products of a chemical reaction can
- properties.
- Cloudy mixture that cannot be separated.
- Made up of two or more substances combined together.
- Workplace hazardous materials information system
25 Clues: properties. • Organic catalyst • are accounted for. • Greek word for "same kind" • Greek word for "different kind" • Cloudy mixture that can be separated. • Cloudy mixture that cannot be separated. • A chemical change, which absorbs heat energy. • A chemical change, which release heat energy. • Hazardous household materials information system • ...
Chemistry Crossword 2018-01-25
Across
- Total number of protons + neutrons.
- Has Hydrogen and Carbon in it.
- Add mass to the atom.
- Do not add mass to the atom
- The elements on the stair line.
- Most reactive.
- Has Calcium and Barium.
- Tells the number of protons.
Down
- the study of the elements
- The group to the right of the Transition Metals and to the left of the Metallloids.
- Atoms will always react until they have a full shell.
- The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
- Top group of the 2 that is usually under and do not fit into the Periodic Table.
- an element with an electric charge formed formed loss or gain in electrons.
- thing that holds all of the elements
- Do not react at all.
- Will never change, because it will become a different element.
- Most reactive non-metals.
- The letters of the elements.
- the guy who made the periodic table
20 Clues: Most reactive. • Do not react at all. • Add mass to the atom. • Has Calcium and Barium. • the study of the elements • Most reactive non-metals. • Do not add mass to the atom • The letters of the elements. • Tells the number of protons. • Has Hydrogen and Carbon in it. • The elements on the stair line. • Total number of protons + neutrons. • the guy who made the periodic table • ...
Chemistry Crossword 2018-01-25
Across
- electrons numbers of electrons in the outermost shell.
- elements react and have properties that are similar.
- The basic unit of matter, makes up everything.
- used to separate liquid mixtures
- change does not form a new substance.
- Do not add mass to the atom, has a negative charge.
- All of the elements to the left of the staircase.
- used to separate a liquid to solid mixture.
- An electrically charged element formed from the movement of electrons.
- a positively charged particle.
- composed of two or more compounds physically combined.
Down
- A substance made of two or more elements, chemically combined.
- touching the staircase line, properties of both metals and non-metals.
- everything to the right of the staircase line.
- Pure substances that can not be broken down by chemical means.
- change when a chemical is changed into a new substance chemically.
- Add mass to the atom, have no charge.
- used to separate a solid to solid mixture.
- number Tells you the number of protons.
- rule Atoms will always react until they have a full shell.
20 Clues: a positively charged particle. • used to separate liquid mixtures • change does not form a new substance. • Add mass to the atom, have no charge. • number Tells you the number of protons. • used to separate a solid to solid mixture. • used to separate a liquid to solid mixture. • The basic unit of matter, makes up everything. • ...
Chemistry Crossword 2018-01-24
Across
- Total number of protons + neutrons.
- an atom with an electric charge due to loss or gain of electrons
- thing that holds all of the elements
- The group to the right of the Transition Metals and to the left of the Metallloids.
- the guy who made the periodic table
- Most reactive.
- The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
- Most reactive non-metals.
Down
- Will never change, because it will become a different element.
- Tells the number of protons.
- Top group of the 2 that is usually under and do not fit into the Periodic Table.
- Has Calcium and Barium.
- the study of the elements
- The elements on the stair line.
- Has Hydrogen and Carbon in it.
- Do not react at all.
- Atoms will always react when they have a full shell.
- Do not add mass to the atom
- The letters of the elements.
- Add mass to the atom.
20 Clues: Most reactive. • Do not react at all. • Add mass to the atom. • Has Calcium and Barium. • the study of the elements • Most reactive non-metals. • Do not add mass to the atom • Tells the number of protons. • The letters of the elements. • Has Hydrogen and Carbon in it. • The elements on the stair line. • Total number of protons + neutrons. • the guy who made the periodic table • ...
Chemistry Crossword 2018-01-19
Across
- gas some attraction, some volume
- zero attraction, zero volume
- can be heated, holds various chemical, not for measuring
- measurements of the amount of matter in an object
- a new substance
- are particles with positive charge
- is anything that takes up space (volume) and has mass
- is a measure of the average kinetic energy of the particles that make up a same of any material
- enegry is associated with the movement of the particles
Down
- measurements of the amount of space an object takes up
- K=C+ 273
- figures are used to determine the precision of a measurement
- is used to measure temperature
- a change in size, shape / no new substance
- are particles with negative charge
- C=K-273
- cylinder used to measure the volume of a liquid
- compares the mass of an object to it's volume
- are particles with no charge
- stand, base / pole of set-up
20 Clues: C=K-273 • K=C+ 273 • a new substance • zero attraction, zero volume • are particles with no charge • is used to measure temperature • stand, base / pole of set-up • are particles with negative charge • are particles with positive charge • gas some attraction, some volume • a change in size, shape / no new substance • compares the mass of an object to it's volume • ...
Chemistry Crossword 2017-11-13
Across
- A subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen
- A colorless, odorless, highly flammable gas, the chemical element of atomic number 1
- A solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
- The center of an atom
- The medieval forerunner of chemistry, based on the supposed transformation of matter
- Release heat
- A very small size
- A charge with a +
- Absorption of heat
- Where all the elements are found
- A subatomic particle with a charge of negative electricity
- The property possessed by an object of producing different sensations on the eye as a result of the way the object reflects or emits light
- Group 18 of the periodic table.
- Combine or become combined chemically with oxygen.
Down
- A substance that does the reaction
- An element or substance that is not a metal.
- The basic unit of a chemical element
- Lithium, sodium, potassium, rubidium, cesium, and francium are all...
- A charge with a -
- A substance formed when two or more elements
- A substance created in a reaction
- A supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
- The mass of an atom
- 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.
- A particle having a non-zero net electrical charge
25 Clues: Release heat • A charge with a - • A very small size • A charge with a + • Absorption of heat • The mass of an atom • The center of an atom • Group 18 of the periodic table. • Where all the elements are found • A substance created in a reaction • A substance that does the reaction • The basic unit of a chemical element • An element or substance that is not a metal. • ...
Chemistry Vocabulary 2017-12-11
Across
- an-atom-can-become-this-when-it-loses-or-gains-more-electrons
- a-subatomic-particle-with-a-positive-charge
- an-element-with-proporties-of-both-metals-and-non-metals
- the-amount-of-space-that-a-substance-or-object-occupies
- a-subatomic-particle-with-a-negative-charge
- the-temperature-at-which-a-given-solid-will-melt-EX:ice
- any-of-the-elements-beryllium-magnesium-calcium-strontium-barium-and-radium
- an-ion-composed-of-two-or-more-atoms-covalently-bonded
- a-type-of-diagram-for-drawing-atoms
- an-element-or-substance-that-is-not-a-metal
- the-temperature-at-which-a-liquid-boils
- any-of-the-gaseous-elements-helium-neon-argon-krypton-xenon-and-radon
- compounds-made-up-of-ions
- any-of-the-elements-fluorine-chlorine-bromine-iodine-and-astatine
- a-group-of-atoms-combined-to-make-a-chemical-compound-that-can-take-part-in-chemical-reactions
- the-periodic-table-lists-these
Down
- another-term-for-polyvalent
- a-letter-figure-or-symbol-written-or-printed-below-the-line
- an-extremely-small-amount-of-a-thing-or-quality
- having-a-valence-of-one
- the-average-weight-of-an-element-EX-Lead-207
- a-molecule-formed-by-covalent-bonds
- iron-gold-silver-copper-and-aluminum-brass-and-steel
- a-large-body-of-matter-EX:cup-dog-phone
- a-numerical-or-constant-quantity-placed-before-and-multiplying-the-variable-in-an-algebraic-expression
- the-number-listed-on-the-top-left-of-an-element
- a-thing-that-is-composed-of-two-or-more-separate-elements
- a-subatomic-particle-the-opposite-of-a-proton
- a-substance-made-b-mixing-other-substances-together
- the-relations-between-states-of-matter-to-particle-movement
30 Clues: having-a-valence-of-one • compounds-made-up-of-ions • another-term-for-polyvalent • the-periodic-table-lists-these • a-molecule-formed-by-covalent-bonds • a-type-of-diagram-for-drawing-atoms • a-large-body-of-matter-EX:cup-dog-phone • the-temperature-at-which-a-liquid-boils • a-subatomic-particle-with-a-positive-charge • a-subatomic-particle-with-a-negative-charge • ...
Chemistry Vocabulary 2017-12-11
Across
- an-element-with-proporties-of-both-metals-and-non-metals
- iron-gold-silver-copper-and-aluminum-brass-and-steel
- a-numerical-or-constant-quantity-placed-before-and-multiplying-the-variable-in-an-algebraic-expression
- an-extremely-small-amount-of-a-thing-or-quality
- the-number-listed-on-the-top-left-of-an-element
- a-substance-made-b-mixing-other-substances-together
- any-of-the-elements-beryllium-magnesium-calcium-strontium-barium-and-radium
- an-atom-can-become-this-when-it-loses-or-gains-more-electrons
- a-type-of-diagram-for-drawing-atoms
- a-subatomic-particle-with-a-positive-charge
- a-letter-figure-or-symbol-written-or-printed-below-the-line
- compounds-made-up-of-ions
- the-amount-of-space-that-a-substance-or-object-occupies
- a-thing-that-is-composed-of-two-or-more-separate-elements
- any-of-the-gaseous-elements-helium-neon-argon-krypton-xenon-and-radon
- any-of-the-elements-fluorine-chlorine-bromine-iodine-and-astatine
- a-subatomic-particle-with-a-negative-charge
Down
- another-term-for-polyvalent
- an-element-or-substance-that-is-not-a-metal
- having-a-valence-of-one
- the-temperature-at-which-a-liquid-boils
- the-average-weight-of-an-element-EX-Lead-207
- an-ion-composed-of-two-or-more-atoms-covalently-bonded
- a-molecule-formed-by-covalent-bonds
- the-temperature-at-which-a-given-solid-will-melt-EX:ice
- the-relations-between-states-of-matter-to-particle-movement
- a-subatomic-particle-the-opposite-of-a-proton
- a-large-body-of-matter-EX:cup-dog-phone
- a-group-of-atoms-combined-to-make-a-chemical-compound-that-can-take-part-in-chemical-reactions
- the-periodic-table-lists-these
30 Clues: having-a-valence-of-one • compounds-made-up-of-ions • another-term-for-polyvalent • the-periodic-table-lists-these • a-molecule-formed-by-covalent-bonds • a-type-of-diagram-for-drawing-atoms • the-temperature-at-which-a-liquid-boils • a-large-body-of-matter-EX:cup-dog-phone • an-element-or-substance-that-is-not-a-metal • a-subatomic-particle-with-a-positive-charge • ...
Chemistry Crossword 2017-12-05
Across
- a reaction that takes place when two or more substances react to for
- the sum of the number of protons and neutrons in an atom
- metals that have a density of 5 or higher (e.g., copper, zinc, lead, mercury, cadmium,nickel); heavy metals are one type of substance monitored to determine water quality
- change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
- ability to do work
- group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals.
- group 17 elements in the periodic table;the most reactive non-metals
- combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- stance that helps a chemical reaction to proceed more quickly
- chemical combination of two or more elements in a specific ratio
- group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
- pure substance formed when at least one metal and one non-metal combine
- ability of a substance to conduct electricity or heat
- slow chemical change that occurs when oxygen in the air reacts with a metal
Down
- major source: motor vehicles
- pure substance that cannot be broken down into other substances; substance made up of only one type of atom
- compounds whose molecules do not contain carbon, also included as inorganic compounds are carbon dioxide, carbon monoxide, carbonates, and cyanides
- catalyst involved in chemical reactions in living things
- mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
- chemial reaction that absorbs energy
- description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
- an experiment in which all reactants and all products of a chemical reaction are accounted for
- combustion chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- (COg) colourless, odourless gas;produced by incomplete combustion of chemicals containing carbon (e.g.
- number of protons in the nucleus of one atom of an element
- atom that has become electrically charged because it has lost or gained electrons; a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
26 Clues: ability to do work • major source: motor vehicles • chemial reaction that absorbs energy • ability of a substance to conduct electricity or heat • the sum of the number of protons and neutrons in an atom • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • ...
Chemistry Crossword 2018-06-08
Across
- pure substance that cannot broken down any further
- a compound of a metal and non-metal
- made up of one type of matter
- shiniest of a substances,
- ability to conduct electricity or heat
- when non-metal combine
- workplace hazardous materials information system
- chemical reaction that absorbs heat energy
- when a solid changes to a gas
- the number of protons in the nucleus of an atom
- when a gas changes to a solid
Down
- the mixture of magic and chemistry
- the mass of all protons and neutrons in an atom
- the horizontal rows on the periodic table
- the center of an atom
- change in appearance or state
- when a new substance is formed and non-reversible
- mixture in which the different substances are visible
- contaminated material that is a threat to humans and health
- mixture of two or more pure substances that look like one substance
- chemical reaction that releases heat energy
- can be in between metals and non-metals
- electrically charged atoms
- can eat away or corrode
- substances in a reaction
25 Clues: the center of an atom • when non-metal combine • can eat away or corrode • substances in a reaction • shiniest of a substances, • electrically charged atoms • made up of one type of matter • change in appearance or state • when a solid changes to a gas • when a gas changes to a solid • the mixture of magic and chemistry • a compound of a metal and non-metal • ...
Crossword Chemistry 2018-09-06
20 Clues: ซูโครส • การแพร่ • แนฟทาลีน • ตัวละลาย • ดุลสมการ • สมการเคมี • การระเหิด • แรงลอนดอน • เรืองเเสง • การกลายเป็นไอ • สูตรโครงสร้าง • ส่วนในล้านส่วน • กรดเปอร์คลอริก • กัมมันตภาพรังสี • สารละลายเข้มข้น • เป็นสถานะของน้ำ • แรงดึงดูดระหว่างขั้ว • ธาตุเเทรนซิชันเลขมวล29 • ถ้าขาดทำให้เป็นโรคคอพอก • เมื่ออยู่ในรูปสารละลายเรียกฟอร์มาลีน
Chemistry Vocab 2019-06-05
Across
- / A phase of matter with a definite volume and no definite shape
- / A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound
- / Unit of measurement for amount of substance in chemistry
- reactant / the substance that controls the quantity of product that can form in a chemical reaction
- Replacement / A + BC --> B + AC
- / Change from a solid directly to a gas without becoming liquid
- / where a liquid cools to a solid
- Point / Temperature at which a liquid changes to a gas -
- Series / A list of elements organized according to the ease with which the elements undergo certain chemical reactions.
- / A chemical reaction that breaks down compounds into simpler products.
- / a force exerted by the substance per unit area on another substance
- / A measure of the average kinetic energy of a substance
- / a unit of measurement used to describe the pressure
- / A phase of matter with a definite volume and a definite shape
- / A starting material in a chemical reaction
- / As the volume of confined gas decreases at a constant temperature, the pressure exerted by the gas___________.
- / anything that has mass and takes up space
- / Change from a solid to a liquid
- g/mol
- Law / Which gas law is involved when a balloon pops after being sat on?
- Law / V1/T1 = V2/T2
- measured amount of a product obtained from a reaction.
Down
- / Heating up the molecules of a gas allow the particles to move......
- yield-
- / Unit of mass equal to 1/12 the mass of one atom of carbon-12
- / unit of measurement used to describe volume in Ideal Gas Law
- Replacement / a chemical reaction where two elements in different compounds trade places
- / A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
- Ratio / a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
- / chemistry) the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers
- / A phase of matter with no definite volume and no definite shape
- Law / P1/T1 = P2 /T2
- Mass / The mass of 1 mole of atoms of any element
- Point / The temperature at which solid changes to a liquid
- / Change from a gas to a liquid
- / Change from a liquid to a gas
- yield / the maximum amount of product that can be produced from a given amount of reactant
- / Burning
- / Change from a gas directly to a solid without becoming a liquid. Also known as desublimation.
- pressure / If MORE gas molecules created MORE collisions with the sides of a container, then there will be_____
- yield / the ratio of the actual yield to the theoretical yield expressed as a percent
- Law / P1V1 = P2V2
- / A+B=AB
- reactant / The substance that is not used up completely in a reaction
- / unit of measurement used for temperature
- boils at 100 Celsius
- of conservation of mass Lavoisier / Matter is neither created nor destroyed
47 Clues: g/mol • yield- • / A+B=AB • / Burning • Law / P1V1 = P2V2 • boils at 100 Celsius • Law / V1/T1 = V2/T2 • Law / P1/T1 = P2 /T2 • / Change from a gas to a liquid • / Change from a liquid to a gas • Replacement / A + BC --> B + AC • / where a liquid cools to a solid • / Change from a solid to a liquid • / unit of measurement used for temperature • ...
Chemistry Crossword 2019-06-09
Across
- group 17 elements in the periodic table; the most reactive non-metals
- group of atoms joined by covalent bonds
- number of protons in the nucleus of one atom of an element
- substance made of only one kind of matter, which has a unique set of properties
- chemical combination of two or more elements in a specific ratio
- chemical reaction that absorbs energy
- pure substance that cannot be broken down into other substances; substance made up of only one type of atom
- combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
- vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a family
- mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in atomic mass units (amu)
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- new substance produced in a chemical reaction between reactant
Down
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
- change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
- element that has both metallic and non-metallic properties
- shiny, malleable, ductile element that conducts electricity
- the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
- pure substance formed when at least one metal and one non-metal combine
- group 18 elements in the periodic table; the most stable and unreactive elements
- heterogeneous mixture; mixture in which the different substances that make up the mixture are visible
- horizontal row of elements in the periodic table
- combination of pure substances; unlike a compound, the components of a mixture do not combine chemically and are not always in the same ratio
- vertical column of elements in the periodic table; elements in a family all have similar chemical properties; also called a group
- slow chemical change that occurs when oxygen in the air reacts with a metal
24 Clues: chemical reaction that absorbs energy • group of atoms joined by covalent bonds • horizontal row of elements in the periodic table • number of protons in the nucleus of one atom of an element • element that has both metallic and non-metallic properties • shiny, malleable, ductile element that conducts electricity • ...
chemistry 1 2019-03-18
Across
- the substance that is dissolved in a solution
- a chemical reaction that combines a substance with oxygen to produce an oxide
- a change in form of physical properties of a substance without a chemical reaction or the creation of a new substance
- oil droplets emulsified in water
- a chemical combination of matter in definite proportions
- unstable physical mixtures of undissolved particles in a liquid
- the quantity of hydrogen ions
- the substance that dissolves the solute and makes it a solution
- any substance that occupies spaces spaces and has mass
- the three different physical forms of matter
- alcohols that evaporate easily
- special type of oil used in hair conditioners water resistant lubricants for the skin and nail polish dryers
- a chemical combination of two or more atoms in definite proportions
- the measure of the acidity an alkalinity of a substance
Down
- a stable physical mixture of two or more substances
- a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
- a chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized
- the study of substances that contain the element carbon
- characteristics that can be determined without a chemical reaction and do not cause a chemical change in the substance
- a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
- subatomic particles with no charge
- multiples of ten
- the concentration of surface active agents
- a physical combination of matter in any proportion
- substance that releases oxygen
- liquids that are mutually soluble meaning that they can be mixed together to form stable solutions
- subatomic particles with a positive charge
27 Clues: multiples of ten • the quantity of hydrogen ions • substance that releases oxygen • alcohols that evaporate easily • oil droplets emulsified in water • subatomic particles with no charge • the concentration of surface active agents • subatomic particles with a positive charge • the three different physical forms of matter • the substance that is dissolved in a solution • ...
chemistry crossword 2018-11-06
Across
- the most reactive non-metals
- positively charged centre of an atom
- chemical combination of 2 or more elements
- an atom or group of atoms that lose or gain electrons
- the process of a solid turning into a gas
- the combination of two or more non-metals
- characteristics that can be used to describe a substance
- mass of one atom of an element
- a non-reversible cloudy mixture
- able to be stretched into a long wire
- combination of symbols and numbers that represent a compound and the amount
- anything that takes up space and has a mass
Down
- negatively charged particle that orbits the nucleus of an atom
- element that has both metallic and non-metallic properties
- the point of which a substance begins to boil
- positively charged and wants more protons
- the most reactive metals
- combination of symbols that represent a compound
- neutral charges
- made of only one atom
- ability for a substance to conduct electricity or heat
- number of protons in an atom of an element
- amount of mass in a given volume of a substance
- negatively charged and wants more electrons
24 Clues: neutral charges • made of only one atom • the most reactive metals • the most reactive non-metals • mass of one atom of an element • a non-reversible cloudy mixture • positively charged centre of an atom • able to be stretched into a long wire • positively charged and wants more protons • the process of a solid turning into a gas • the combination of two or more non-metals • ...
chemistry crossword 2018-11-14
Across
- A pure substance formed when at least one metal and one non-metal combine
- A combination of pure substances that don't always combine chemically and are not always in the same ratio
- A table in which the element are organized by their physical and chemical properties
- A change in the appearance or state of a substance that does not change the composition
- A cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
- Property that describe the physical appearance and composition of a substance
- Change of state from a liquid to a solid
- A chemical reaction that releases energy
- A pure substance formed when non-metals combine
- Mixture in which different substances that make up the mixture are visible
- A mixture of two or more pure substances that looks like one substance
- Anything that has mass and occupies space
Down
- Change that results when two or more substances react to create a different substance or substances, the new substances have to be completely different properties from the original ones
- Number of protons in the nucleus of one atom of an element
- A substance only made up of one kind of matter,which has a unique set of properties
- Change of state from a solid to a gas or from a gas to a solid
- Description of how a substance interacts with other substances, such as acids; It is only observable when a chemical change occurs
- Change of state from a gas to a liquid
- Chemical reaction that absorbs energy
- Mass of one atom of an element calculated from the total number of protons, neutrons and electron of that atom
- Change of state from a gas to a solid
- Change of state from a liquid to a gas
- Change of state from a solid to a liquid
- A chemical combination of two or more elements in a specific ratio
- A cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- A pure substance that cannot be broken down into other substances, it is made up of only one type of atom
26 Clues: Chemical reaction that absorbs energy • Change of state from a gas to a solid • Change of state from a gas to a liquid • Change of state from a liquid to a gas • Change of state from a solid to a liquid • Change of state from a liquid to a solid • A chemical reaction that releases energy • Anything that has mass and occupies space • ...
Chemistry Crossword 2018-11-12
Across
- Is the shorthand method of writing elements and compound
- Has one metal and one non-metal
- Process that changes one set of chemicals into another set of chemicals
- A table that shows elements and their atomic number and mass, and symbol
- It is one substance that cannot be separated
- Elements in a horizontal row on the periodic table
- Is the representation for an atom
- Particles of the nucleus that have no electrical charge
- It is important to _____ the quantity of reactants and products in an equation
Down
- Smallest particle of an element
- Is a positively charged ion
- Both elements are non-metals
- Is a subatomic particle that has a positive charge
- Is a negatively charged ion
- Elements in a vertical row on the periodic table
- A grouping of electrons surrounding the nucleus of an atom
- A particle that is electrically charged (positive or negative)
- A solid that forms and settles out of a liquid mixture
- A group of two or more elements
- Is a tiny subatomic particle that revolves around a nucleus and has a negative charge
- A group of atoms that are held together
- Has properties of metals and non-metals
- Two or more substances that can be separated.
- A substance that cannot be divided further
24 Clues: Is a positively charged ion • Is a negatively charged ion • Both elements are non-metals • Smallest particle of an element • Has one metal and one non-metal • A group of two or more elements • Is the representation for an atom • A group of atoms that are held together • Has properties of metals and non-metals • A substance that cannot be divided further • ...
Chemistry Crossword 2018-11-13
Across
- workplace hazardous materials information system
- pure substance that cannot be broken down into other substances (made up of only one type of atom)
- Neutral particles
- a change from gas to liquid
- can reverse (e.g melting ice) one in which a material changes from one state to another.
- characteristics of a substance
- how a substance interacts with other substances (acid)
- a solid also can change directly into a gas and vise versa
- change from solid to liquid
- change from liquid to gas (a;so known as vaporization)
Down
- Nucleus contained positively charged particles
- chemical combination of two or more elements in a specific ratio
- a table in which the elements are organized, by their physical and chemical properties
- can't reverse (burning wood) when two or more materials react and create new materials.
- appearance from the outside e.g lustre
- Negatively charged particles
- each element is composed of a particle called
- heterogeneous mixture (mixed vegetables )
- is anything that has mass and occupies space
- substance made up of only one kind of matter, which has a unique set of properties
- combinations of pure substances the components of a mixture do not combine chemically
- liquid to a solid
- solids, liquid or gas depends on temperature
23 Clues: Neutral particles • liquid to a solid • a change from gas to liquid • change from solid to liquid • Negatively charged particles • characteristics of a substance • appearance from the outside e.g lustre • heterogeneous mixture (mixed vegetables ) • is anything that has mass and occupies space • solids, liquid or gas depends on temperature • ...
Chemistry crossword 2018-11-13
Across
- chlorine
- combination of pure substances
- substance that reacts with another substances in a chemical reaction to create new substances with different properties
- shell orbit of electrons around the nucleus of an atom
- a chemical combination of two or more elements in a specific ratio
- table a table in which the elements are organized by their physical and chemical properties
- cloudy mixture in which tiny particles of one substance are held within another and the particles can be separated out
- neutral particle in the nucleus of an atom
- number number of protons in the nucleus of one atom of an element
- group 17 elements in the perodic table,the most reactive not metals
- metals group 1 elements in the peroidic table,not including hydrogeon the most reactive of the metals
Down
- a pure substance that cannot be broken down into other substances,made up of only one type of atom
- something that has mass and occupies space
- group of atoms joined by covalent bonds
- homogenous mixture mixture of two or more pure substances that looks like one substance
- reaction a reaction that takes place when to or more substances react to form a new substance
- change in the appearance or state of a substance that does not change the composition
- compound pure substance formed when non-metals combine
- positively charged particle in the nucleus of an atom
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be seperatedout from other substances
- compound pure substance formed when at least one metal and one non metal combine
- compound that dissolves in water to form a solution with a ph lower than 7
- gases group 18 elements in the periodic table,the most stable and interactive elements
23 Clues: chlorine • combination of pure substances • group of atoms joined by covalent bonds • something that has mass and occupies space • neutral particle in the nucleus of an atom • positively charged particle in the nucleus of an atom • shell orbit of electrons around the nucleus of an atom • compound pure substance formed when non-metals combine • ...
Chemistry crossword 2018-11-13
Across
- neutral particle in the nucleus of an atom
- group of atoms joined by covalent bonds
- chlorine
- number number of protons in the nucleus of one atom of an element
- positively charged particle in the nucleus of an atom
- a chemical combination of two or more elements in a specific ratio
- a pure substance that cannot be broken down into other substances,made up of only one type of atom
- cloudy mixture in which tiny particles of one substance are held within another and particles cannot be seperatedout from other substances
- change in the appearance or state of a substance that does not change the composition
- compound pure substance formed when non-metals combine
- reaction a reaction that takes place when to or more substances react to form a new substance
- group 17 elements in the perodic table,the most reactive not metals
Down
- compound pure substance formed when at least one metal and one non metal combine
- shell orbit of electrons around the nucleus of an atom
- substance that reacts with another substances in a chemical reaction to create new substances with different properties
- something that has mass and occupies space
- homogenous mixture mixture of two or more pure substances that looks like one substance
- table a table in which the elements are organized by their physical and chemical properties
- combination of pure substances
- cloudy mixture in which tiny particles of one substance are held within another and the particles can be separated out
- metals group 1 elements in the peroidic table,not including hydrogeon the most reactive of the metals
- gases group 18 elements in the periodic table,the most stable and interactive elements
- compound that dissolves in water to form a solution with a ph lower than 7
23 Clues: chlorine • combination of pure substances • group of atoms joined by covalent bonds • neutral particle in the nucleus of an atom • something that has mass and occupies space • positively charged particle in the nucleus of an atom • shell orbit of electrons around the nucleus of an atom • compound pure substance formed when non-metals combine • ...
Food Chemistry 2019-09-16
Across
- This compound present in tomatoes can be used to remove ink stains from clothes.
- noodles
- A is commonly used as a preservative in food
- The compound used as artificial sugar in the below picture.
- Bananas contain a lot of ____________ which helps in reducing muscle cramps.
- The main acid present in the below fruit.
- The ion which is required to make a protein present in the below cell can be obtained from ________.
- _________ is used as a cryogenic agent for preserving processed foods.
- Apple seeds and bitter almonds contain _________ which can cause poisoning and in some severe cases death.
- browning of fruits.
- Gas which helps in ripening of fruits.
Down
- Most fish and oysters contain _________ fatty acid which helps in controlling cholesterol and reducing the rate of heart disease.
- This food substance when mixed with water can be used to make bulletproof vests and
- Coca-cola has _________ which makes its pH about 3.2 and also dissolves rust.
- jelly
- Chemical that gives chili peppers their kick.
- Colouring agent present in the below vegetable.
- The spicy kick to radish, wasabi and mustard is due to this compound.
- Extracts of these are used as _______ in a technique in analytical chemistry where solution of known concentration is used to find the concentration of an unknown solution.
- The central atom in vitamin B12, which can be obtained from meat and eggs.
20 Clues: jelly • noodles • browning of fruits. • Gas which helps in ripening of fruits. • The main acid present in the below fruit. • A is commonly used as a preservative in food • Chemical that gives chili peppers their kick. • Colouring agent present in the below vegetable. • The compound used as artificial sugar in the below picture. • ...
Chemistry Stuff 2019-10-30
Across
- scientist who discovered the atom's nucleus
- information collected directly with the senses
- how the periodic table was originally arranged
- group name of elements with 7 valence electrons
- number of letters NOT on the periodic table
- most important personal protective equipment
- "You must be able to tell any 2 electrons apart!"
- elements that are NOT filling their valence energy level
- technology used in nuclear power plants
- Alkaline earth metal with 4 total energy level
- vertical column on the periodic table
- figured out that electrons lived in specific energy levels
Down
- molecular shape of carbon dioxide
- number of nonmetals with a 1 letter atomic symbol
- measures mass in the lab
- elements found on the stair step line
- ion with a positive charge
- element found in pencils and diamonds
- number of particles in 1 mole
- type of bond formed between sodium and chlorine
- one intensive property
- alkali metal with a 1 letter atomic symbol
- inversely related to frequency
- only metal that is liquid at room temperature
24 Clues: one intensive property • measures mass in the lab • ion with a positive charge • number of particles in 1 mole • inversely related to frequency • molecular shape of carbon dioxide • elements found on the stair step line • element found in pencils and diamonds • vertical column on the periodic table • technology used in nuclear power plants • ...
Chemistry Crossword 2019-11-08
Across
- 118 elements are organizing into this
- a substance that reacts whit other substances in a chemical reaction
- chemical combination
- a chemical reaction which absorbs heat energy
- an experiment in which all reactants and all products of a chemical reaction are accounted for
- pure substance formed by the combination of metal and a non-metal
- two or more substances in which you can see each substance easily
- an experiment in which one or more production of a chemical reaction can escape
- subatomic particle with a positive electrical charge
- one type of matter
Down
- a new substance produced in a chemical reaction
- subatomic particle with a negative electrical charge
- a change in state or apprentice
- anything on the periodic table
- subatomic particle with no charge
- average mass of an element
- made when you mix substances together
- number of protons an element has
- when two or more substance react to form a new substance
- a combination of symbols that represent a compound and the amount
- in a chemical reaction the total mass of the reactants is equal to the total mass of the porducts
- one or more letters that represent on element
- pure substance formed by the combination of two non-metals
- a chemical change which releases heat energy
- two or more substances that look like one substance
25 Clues: one type of matter • chemical combination • average mass of an element • anything on the periodic table • a change in state or apprentice • number of protons an element has • subatomic particle with no charge • 118 elements are organizing into this • made when you mix substances together • a chemical change which releases heat energy • ...
Sudduth - Chemistry 2019-10-17
Across
- What is made when a reaction occurs
- reactive with water but not as much as alkali
- A property which cannot be experienced with the 5 senses
- Atoms bonded together
- The smallest part of any element
- 118 of them found in the periodic table
- My favorite class
- chemicals combine in specific amounts
- a change which does not result in a new substance
- Having no visible parts
Down
- A property which can be experienced with the senses
- Mass of an atom
- Sinks to the bottom in a chemical reaction
- very reactive with water
- two of the same atoms together
- mass cannot be created or destroyed
- A mixture
- The things put on the left side of the yield sign
- change a change which results in a new substance
- a whole number comparison
- Visible parts of a mixture
- Man who organized periodic table
- table a way of organizing the known elements
23 Clues: A mixture • Mass of an atom • My favorite class • Atoms bonded together • Having no visible parts • very reactive with water • a whole number comparison • Visible parts of a mixture • two of the same atoms together • The smallest part of any element • Man who organized periodic table • What is made when a reaction occurs • mass cannot be created or destroyed • ...
Aaron - chemistry 2019-10-17
Across
- weight of an atom
- a science that deals with the structure and properties of substances and with the changes that they go through
- the creator of the periodic table
- how an element reacts with other elements
- a substance that cant be broken down into a simpler substance
- a display of the elements
- something created from a chemical reaction
- a change where a substance is altered but it does not become another substance
- a substance that changes during a reaction
- smallest part of an element
Down
- a subatomic particle in an atom that has a negative charge
- a homogeneous mixture of two or more substances
- a thing made up of two or more elements
- a change where a substance changes into another
- a mixture that is the same
- the center of an atom
- How an element looks, feels, weighs, etc
- the creation of a solid from a solution
- a subatomic particle inside an atom that does not have an electrical charge
- one of my favorite things at school
- a subatomic particle inside an atom that has a positive charge
21 Clues: weight of an atom • the center of an atom • a display of the elements • a mixture that is the same • smallest part of an element • the creator of the periodic table • one of my favorite things at school • a thing made up of two or more elements • the creation of a solid from a solution • How an element looks, feels, weighs, etc • how an element reacts with other elements • ...
Chemistry CrossWord 2023-05-04
Across
- Property - A characteristic of a substance that can be observed without changing its identity.
- - Right and left of the dark zig zag line.
- electrons - Total number of e- found in the outermost energy level.
- Mixtures - Uneven distribution of components.
- Replacement - When two elements switches places
- Notation - very large or very small numbers cen be expressed using scientific notation.
- - Is anything that takes up space and has mass.
- Property - A characteristic that indicates whether a substance can undergo a specific chemical change.
- Gasses - Very right side of the periodic table.
- - Upper right-hand corner.
- Mixtures - Even distribution of components
- - When the elements combine.
Down
- Change - A change in the form of the substance without changing its identity.
- - Starts on the left; most of the elements.
- - The product is always CO2 + H2O
- - No charge.
- - Positive charge.
- Change - A change in the identity of a substance.
- - Negative charge.
- - When the compound breaks apart into two individual elements.
- - Definite shape and volume.
- - Indefinite shape and volume.
- - Indefinite shape.
- Replacement - When only one element switches places with another.
24 Clues: - No charge. • - Positive charge. • - Negative charge. • - Indefinite shape. • - Upper right-hand corner. • - Definite shape and volume. • - When the elements combine. • - Indefinite shape and volume. • - The product is always CO2 + H2O • - Right and left of the dark zig zag line. • Mixtures - Even distribution of components • - Starts on the left; most of the elements. • ...
Chemistry CrossWord 2023-05-04
Across
- Property - A characteristic of a substance that can be observed without changing its identity.
- - Right and left of the dark zig zag line.
- electrons - Total number of e- found in the outermost energy level.
- Mixtures - Uneven distribution of components.
- Replacement - When two elements switches places
- Notation - very large or very small numbers cen be expressed using scientific notation.
- - Is anything that takes up space and has mass.
- Property - A characteristic that indicates whether a substance can undergo a specific chemical change.
- Gasses - Very right side of the periodic table.
- - Upper right-hand corner.
- Mixtures - Even distribution of components
- - When the elements combine.
Down
- Change - A change in the form of the substance without changing its identity.
- - Starts on the left; most of the elements.
- - The product is always CO2 + H2O
- - No charge.
- - Positive charge.
- Change - A change in the identity of a substance.
- - Negative charge.
- - When the compound breaks apart into two individual elements.
- - Definite shape and volume.
- - Indefinite shape and volume.
- - Indefinite shape.
- Replacement - When only one element switches places with another.
24 Clues: - No charge. • - Positive charge. • - Negative charge. • - Indefinite shape. • - Upper right-hand corner. • - Definite shape and volume. • - When the elements combine. • - Indefinite shape and volume. • - The product is always CO2 + H2O • - Right and left of the dark zig zag line. • Mixtures - Even distribution of components • - Starts on the left; most of the elements. • ...
General Chemistry 2023-05-23
Across
- The pressure of a container __________ when the volume is increased
- Creator of the periodic table
- Dividing a mass of an object by it’s volume
- Lightning strikes produce it
- _______ effect makes hot water freeze faster than cold water
- When temperature is 25oC and pressure is 1 atm
- Best indicator for strong acid strong base titration
- 760mm__ = 1 atp
- torr The value of R when P is in ______ is 0.08206
- The most abundant element in the universe
- Material of graphite
- A commonly known solid which is actually a liquid
- Makes Mars red
- When the temperature increases, the ____________ of the molecules also increases
Down
- The lower a compound’s molar mass, the _________ it is
- The point where the amount of acid is equal to the amount of base
- Can be pumped 10.3m tall with a surface pump
- The amount of solute that’s present in a given amount of solution
- A tube that’s wide at the top and narrow at the bottom used for guiding liquid or powder into a small opening
- Atomic mass minus atomic number
- Kelvin and Celsius
- Titration flasks characterized by wide flat bottoms, conical bodies and talcylindrical necks
- Hot peppers’ heat
- Chemist with a number and a law named after them
- Origin from a Greek word meaning “cast together”
- The sting of a wasp is
- C6H12O6
- Won a Nobel Prize in recognition of their work in radioactivity
- _____’s Law: P1V1 = P2V2
29 Clues: C6H12O6 • Makes Mars red • 760mm__ = 1 atp • Hot peppers’ heat • Kelvin and Celsius • Material of graphite • The sting of a wasp is • _____’s Law: P1V1 = P2V2 • Lightning strikes produce it • Creator of the periodic table • Atomic mass minus atomic number • The most abundant element in the universe • Dividing a mass of an object by it’s volume • ...
Chemistry Crossword 2023-05-12
Across
- atomic number 80
- element symbol Mg
- the relationship between quantities of substances
- placing coefficients in front of formulas in a reaction
- element or compound on the right side of arrow
- SO3
- unit for measuring large quantities of atoms
- atomic number 20
- element or compound on the left side of arrow
- unit for measuring volume
- number counting atoms 6.022 x 10^23
- molecule containing two or more elements
Down
- NO3
- element symbol Cl
- NH3
- element symbol Na
- solid, liquid or gas
- PO4
- a number placed in front of a formula to balance an equation
- atomic mass 65.39
- structure that diagrams covalent bonds and lone electrons
- atomic mass 12.01
- CO3
- unit for measuring weight
24 Clues: NO3 • NH3 • PO4 • SO3 • CO3 • atomic number 80 • atomic number 20 • element symbol Cl • element symbol Na • element symbol Mg • atomic mass 65.39 • atomic mass 12.01 • solid, liquid or gas • unit for measuring volume • unit for measuring weight • number counting atoms 6.022 x 10^23 • molecule containing two or more elements • unit for measuring large quantities of atoms • ...
Chemistry Review 2023-07-18
Across
- used to measure temperature of reactions
- a shared pair is found in a covalent bond
- can be added to a reaction to speed it up
- element with atomic number 1
- universal indicator turns this colour in a strong alkali
- bonding found between metal and non-metal
- for a reaction to happen, particles must _______
- metal in group 2 that burns very brightly
- the gas tested by relighting a glowing splint
- the element with 19 neutrons
Down
- pH 7
- the acid with formula HCl
- a reaction where heat energy is given off (exits)
- the reaction between fuels and oxygen
- the group 7 element which has isotopes
- the form of carbon which conducts electricity
- name for group 0
- a mixture contain chemicals which have a specific use in the substance
- the mass number of fluorine
- the simplest hydrocarbon family
20 Clues: pH 7 • name for group 0 • the acid with formula HCl • the mass number of fluorine • element with atomic number 1 • the element with 19 neutrons • the simplest hydrocarbon family • the reaction between fuels and oxygen • the group 7 element which has isotopes • used to measure temperature of reactions • a shared pair is found in a covalent bond • ...
Chemistry vocab 2023-10-02
Across
- a substance that is not uniform throughout
- change a change of one substance into another substance
- an atom of one element that has a different number of neutrons than another atom of the same element
- a combination of two or more substances that do not combine chemically, but remain the same individual substances
- a substance formed by a chemical reaction, made by the rearrangement of atoms in bonds and reactants
- a substance that is evenly spread throughout. Particles not distinguishable.
- a group of atoms that are held together by covalent bonds so that they move together
- mass number the total number of protons and neutrons in an atoms nucleus
- a neutral part, located in an atoms nucleus
- change a usually reversible change in the physical properties of a substance, as size and shape
- a substance that is present at the beginning of a chemical reaction, takes part in the reaction, and is changed into a new substance
- a solid substance, that forms as a result of a chemical reaction between chemicals in two liquids
Down
- the number written slightly below into the rate of a chemical symbol that shows how many atoms of an element are in a compound
- a substance made up of two or more different types of atoms bonded together
- a substance that cannot be broken down into a simpler substances by ordinary chemical changes
- a horizontal row in the periodic table of the elements that have varying properties
- of positively charged particle, located in an atoms nucleus
- an atom of group of atoms that has a positive or negative electric charge, forms by gaining or losing electrons
- a negatively charged particle located outside of an atoms nucleus about 2000 times smaller than either a proton or neutron
- the number before a chemical formula indicating how many molecules are involved in a chemical reaction
- a substance that increases the rate of a chemical reaction, but is not consumed by the reaction
- a vertical column in the periodic table of the elements that have similar properties
- number the total number of protons in an atoms nucleus
23 Clues: a substance that is not uniform throughout • a neutral part, located in an atoms nucleus • number the total number of protons in an atoms nucleus • change a change of one substance into another substance • of positively charged particle, located in an atoms nucleus • mass number the total number of protons and neutrons in an atoms nucleus • ...
Alkene Chemistry 2023-11-07
Across
- Initials of the reagent used to convert alkenes into epoxides... no base needed... Dr Carr's rapper name
- This type of spectrum is used to measure the stretching frequency of an alkene
- What type of "shift" occurs when a secondary carbocation rearranges to a tertiary carbocation... without migrating methyls
- New functional group formed when alkene halogenation occurs in the presence of water
- Functional group formed when 2-methylpropene undergoes acid-catalyzed hydration
- In German, this word means "opposite", and is used to describe trans-substituted alkenes
- General name of the chemical used to convert an alkene into the anti-Markovnikov alcohol
- Toxic metal used to ensure hydration proceeds without carbocation rearrangement
- During a halogenation reaction, the halogens add across the pi bond this way... not syn
- Functional group formed when 2-methylpropene reacts with acid and methanol
- Generic name for adding H-atoms across a pi-bond
- Intermediate formed when a disubstituted alkene reacts with H+
Down
- Metal used to perform syn-dihydroxylation to an alkene; can irreversibly stain the cornea
- Rule stating that in an electrophilic addition reaction to an alkene, H-atom adds to the least substituted carbon
- Adsorbed to carbon, this metal is critical for performing catalytic hydrogenation reactions on alkenes
- If an alkene's stretching frequency is 1620-1680 cm^-1, what functional group stretches at ~1700 cm^-1?
- Name of the reaction when HX reacts with an alkene
- An allotrope of oxygen used to "cut" alkenes (oxidatively) into carbonyls
- Intermediate formed with dibromine reacts with an alkene... before product formation
- Halogen substitution when a trisubstituted alkene reacts with HCl
- Number of H-atoms in the molecule 1-ethyl-2,4-dimethylcyclohexene (SPELL IT!)
- This type of effect explains why (Z)-but-2-ene is less stable than (E)-but-2-ene
22 Clues: Generic name for adding H-atoms across a pi-bond • Name of the reaction when HX reacts with an alkene • Intermediate formed when a disubstituted alkene reacts with H+ • Halogen substitution when a trisubstituted alkene reacts with HCl • An allotrope of oxygen used to "cut" alkenes (oxidatively) into carbonyls • ...
Bonding - Chemistry 2023-12-11
Across
- an expression that defines the number of atoms of each element in one molecule of a compound
- type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound
- a representation of the valence electrons of an atom that uses dots around the symbol of the element
- a covalent linkage in which two atoms share three pairs of electrons
- consists of molecules whose formula represents the actual number of atoms bonded together in the molecule
- a symbolic representation of its chemical composition.
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- the energy required to separate an isolated molecule (i.e. in gas phase), after the cleavage of a bond, into two fragments (atoms or radicals) at infinite distance
- the formation of a chemical bond between two or more atoms, molecules or ions to give rise to a chemical compound
- compounds made up of ions that form charged particles when an atom (or group of atoms) gains or loses electrons
- identify the location of chemical bonds between the atoms of a molecule
Down
- when atoms with different electronegativities share electrons in a covalent bond.
- a covalent bond between two atoms involving four bonding electrons as opposed to two in a single bond.
- a chemical bond in which one pair of electrons is shared between two atoms.
- a chemical bond that involves the sharing of electrons to form electron pairs between atoms.
- a type of chemical bond that is formed when electrons are shared equally between two atoms
- the absolute grouping of atoms or ions represented by the empirical formula of a compound, either ionic or covalent.
- an ion that contains more than one atom
- a way of describing delocalized electrons within certain molecules or polyatomic ions where the bonding cannot be expressed by a single Lewis formula
- a very simplified representation of the valence shell electrons in a molecule
20 Clues: an ion that contains more than one atom • a symbolic representation of its chemical composition. • a covalent linkage in which two atoms share three pairs of electrons • identify the location of chemical bonds between the atoms of a molecule • a chemical bond in which one pair of electrons is shared between two atoms. • ...
Chemistry Review 2023-12-06
Across
- Stored energy
- Can not tell the differences in the mixture
- A substance that helps start/speed up a reaction
- Indication of energy in a system
- Small particles that can't be seen mixed
- Can be observed with the senses
- Mr. Seager's favorite color
- Large particles can be seen throughout
- A mixture of two substances that don't normally mix.
- Positively charge particle within the atom.
Down
- Energy absorbed into the system
- Energy in motion
- Fourth state of matter. Super-heated gas.
- Is everything
- Everything else
- Energy released from the system
- Simplest forms of matter
- The substance or space being experimented with
- The power of Hydrogen
- Occurs when there is a reaction
- Two or more elements chemically bonded together
- Can tell the differences in the mixture
22 Clues: Is everything • Stored energy • Everything else • Energy in motion • The power of Hydrogen • Simplest forms of matter • Mr. Seager's favorite color • Energy absorbed into the system • Energy released from the system • Occurs when there is a reaction • Can be observed with the senses • Indication of energy in a system • Large particles can be seen throughout • ...
Basic Chemistry 2023-08-31
Across
- ionic chloride form, extracellular anion
- necessary for nerve impulses and muscle contraction
- carbohydrate, lipid, proteins, and nucleic acid
- positive charge
- tiny particles that make up matter
- symbol H and atomic number 1
- atomic number 7
- basic building block of all matters
- required for muscle attraction,neural transmission, and blood cotting
- electrically charged, different number of protons and electrons, has 1 or more atoms
Down
- also known as atomic symbol
- negative charge
- symbol C and atomic number 6
- important for functional thyroid hormones
- forms as salt, presented in nucleic acid and proteins
- component of proteins
- symbol O and atomic number of 8
- transports oxygen within red blood cells & enzymes
- uncharge, neutral charge
- important for water balance, nerve impulses, and muscle contraction
- present in bones, important for enzyme activities and metabolic reaction
21 Clues: negative charge • positive charge • atomic number 7 • component of proteins • uncharge, neutral charge • also known as atomic symbol • symbol C and atomic number 6 • symbol H and atomic number 1 • symbol O and atomic number of 8 • tiny particles that make up matter • basic building block of all matters • ionic chloride form, extracellular anion • ...
Chemistry Crossword 2023-09-19
Across
- The study of the properties of matter and how matter changes.
- A change in matter that forms one or more new substances.
- The smallest particle of an element.
- In Chemistry, a one-letter or two-letter set of characters used to identify an element.
- A solid that forms from solution during a chemical reaction.
- The fact that during a chemical reaction, matter cannot be created or destroyed, only rearranged into new substances.
- A number placed in front of a chemical formula.
- A change that alters the form or appearance of a material but does not convert the material into a new substance.
- The force holding atoms together.
- The materials you have at the beginning of a chemical reaction.
Down
- In a chemical formula, the number of atoms of an element in a molecule.
- A shorter, easier way to show chemical reactions using symbols instead of words.
- Anything that has mass and takes up space.
- A well mixed mixture.
- A particle made of two or more atoms bonded together.
- The materials you have at the end of a chemical reaciton.
- A combination of symbols that represent the elements in a compound.
- A substance made of two or more elements chemically combined.
- A substance that cannot be broken down into any other substances.
- Consists of two or more pure substances that are in the same place but are not chemically combined.
20 Clues: A well mixed mixture. • The force holding atoms together. • The smallest particle of an element. • Anything that has mass and takes up space. • A number placed in front of a chemical formula. • A particle made of two or more atoms bonded together. • A change in matter that forms one or more new substances. • The materials you have at the end of a chemical reaciton. • ...
Chemistry Midterm 2023-12-14
Across
- A negatively charged, fast-moving particle
- The extremely small, positively charged, dense center of an atom
- A neutral, subatomic particle in an atom’s nucleus
- Describes a relationship in nature that is supported by many experiments
- A highly reactive group 17 element
- A tentative, testable, statement or prediction about what has been observed
- The sum of protons and neutrons
- A transition of matter from one state to another
- Electrons on the outermost energy level
- The amount of heat required to raise the temperature of a given substance by one degree Celsius
- An explanation supported by many experiments
- A subatomic particle in an atom’s nucleus that has a positive charge
Down
- A 3-d region around the nucleus
- The amount of mass per unit volume
- A vertical column of elements in the periodic table arranged in order of increasing atomic number
- Group 1 elements
- An extremely unreactive group 18 element
- Gaseous state of a substance that is a liquid or a solid at room temperature
- The SI unit of heat and energy
- A pure substance that cannot be broken down into simpler substances
- Atoms of the same element with different numbers of neutrons
- The smallest particle of an element
- The study of matter and the changes it undergoes
- A horizontal row of elements in the modern periodic table
24 Clues: Group 1 elements • The SI unit of heat and energy • A 3-d region around the nucleus • The sum of protons and neutrons • The amount of mass per unit volume • A highly reactive group 17 element • The smallest particle of an element • Electrons on the outermost energy level • An extremely unreactive group 18 element • A negatively charged, fast-moving particle • ...
General Chemistry 2024-01-01
Across
- What is a group of elements with similar properties called?
- What are the properties of metalloids on the periodic table?
- Which element has the highest electronegativity?
- Where are the lanthanides and actinides placed in the periodic table?
- What does the block of an element in the periodic table indicate?
- What are the properties of nonmetals on the periodic table?
- What is ionization energy?
- What trend does ionization energy follow down a group?
- What are elements in the same group known for?
- What are the vertical columns in the periodic table called?
Down
- What is the last group in the periodic table?
- What are the properties of metals on the periodic table?
- What is the periodic table?
- What is electronegativity?
- What are the elements in Group 1 of the periodic table called?
- What are the elements in Group 17 of the periodic table called?
- What trend does ionization energy follow across a period?
- How many groups are there in the periodic table?
- What are the horizontal rows in the periodic table called?
- number How are elements arranged in the periodic table?
20 Clues: What is electronegativity? • What is ionization energy? • What is the periodic table? • What is the last group in the periodic table? • What are elements in the same group known for? • Which element has the highest electronegativity? • How many groups are there in the periodic table? • What trend does ionization energy follow down a group? • ...
Chemistry Basics 2024-01-02
Across
- atomic mass (rounded) minus atomic number
- when an atom has a charge
- similar to how magnets attract to opposite poles
- measured in atomic mass units
- charge of a nucleus
- held together by the strong force
- charge of 2/3
- elements with the same number of protons but a different number of neutrons
- number of protons and electrons
- atoms are illustrated using this model
Down
- holds quarks together
- electrons are shared
- chemical combination of two or more elements in definite proportions
- charge of -1/3
- a pure substance that consists entirely of one type of atom
- outer most orbital
- positive charge
- negative charge
- made of protons, neutrons, and electrons
- electrons are transferred or given away
20 Clues: charge of 2/3 • charge of -1/3 • positive charge • negative charge • outer most orbital • charge of a nucleus • electrons are shared • holds quarks together • when an atom has a charge • measured in atomic mass units • number of protons and electrons • held together by the strong force • atoms are illustrated using this model • electrons are transferred or given away • ...
chemistry vocab 2024-05-13
Across
- the area of the ocean beyond the surface
- underground bed or water
- small river or stream that flows into the river basin
- a underwater motor that can explore that ocean
- tiny algae animals that eat up germs
- free swiming aniamls that can swim anywhere they want
- the amount of water in a given space
- water that fills the crack in open spaces
- tension the tightness around the surface
- vents where hot gases escapes the earths atmospshere
Down
- the movemnt of deep cold water
- molecules stick to each other b
- the tendecny to stick to other substances
- the merge of fresh water going with salt water
- heat the amount of energy needed to raise the temp
- solvent the quality that makes it able to dissolve
- the devise that determines that distance between objects and humans
- area of land that is drained out
- organsim that live on the bottom of the ocean
- basin the area drained by river hydrates
20 Clues: underground bed or water • the movemnt of deep cold water • molecules stick to each other b • area of land that is drained out • tiny algae animals that eat up germs • the amount of water in a given space • the area of the ocean beyond the surface • tension the tightness around the surface • basin the area drained by river hydrates • the tendecny to stick to other substances • ...
Chemistry Vocab 2024-05-08
Across
- the tendency of water to stick to other substances
- The tendency of water molecules to stick to each other
- an underwater vehicle built of strong materials to resist pressure at depth
- A device that determines the distance of an object under water by recording echoes of sound waves
- the area drained by a river and its tributaries
- small river or stream that flows into a large river or stream; a branch of the river
- the area where a freshwater stream or river merges with the ocean. Often a nursery for young
- area of the ocean beyond the edge of the continental shelf. Most diverse organisms live near the surface
- an organism that makes its own food
- term that describes an organism that lives on land
- free-swimming animals that can move throughout the water column
Down
- the movement of deep, cold, and nutrient-rich water to the surface
- water that fills the cracks and spaces in underground soil and rock layers
- organisms that live on the bottom of the ocean or other body of water; bottom-dwellers
- the area of land that is drained by a water system
- underground bed or layer yielding ground water for wells and springs etc
- the amount of matter in a given space; mass per unit volume
- term that describes an organism that lives in water
- spots on the ocean floor where hot gases and minerals escape from earth's interior into the water
- Tiny algae and animals that float in water and are carried by waves and currents
20 Clues: an organism that makes its own food • the area drained by a river and its tributaries • the area of land that is drained by a water system • the tendency of water to stick to other substances • term that describes an organism that lives on land • term that describes an organism that lives in water • The tendency of water molecules to stick to each other • ...
Chemistry Vocabulary 2024-05-08
Across
- Less than 7 on the pH scale
- The substance that is doing the dissolving when making a solution
- matter that has the same chemical composition through-
- A process that separates materials based on the size of their particles
- positively charged particle
- a mixture in which substances are evenly distributed;
- anything that takes up space and has mass
- Smallest particle of an element
- a pure substance that forms when two or more elements join chemically in a fixed proportion
- an element that is a poor conductor of heat and electricity
- an element that has properties of both metals and non-metal
- The substance that is dissolved when making a solution.
- matter made up of two or more substances that are not joined chemically
- chemically unreactive
Down
- a change in a substance that does not involve a change in the identity of the substance
- division of geologic time into which eras are subdivided
- a change that occurs when one or more substances change into entirely new substances with different properties
- an element in group 1 of the periodic table
- and cannot be separated into its parts by physical
- a mixture in which substances are not distributed evenly;
- Measure of the amount of matter in a substance
- examples: elements and compounds
22 Clues: chemically unreactive • Less than 7 on the pH scale • positively charged particle • Smallest particle of an element • examples: elements and compounds • anything that takes up space and has mass • an element in group 1 of the periodic table • Measure of the amount of matter in a substance • and cannot be separated into its parts by physical • ...
Chemistry Bonus 2024-05-10
Across
- smallest particle of a covalently bonded compound
- positive ions
- Atoms of the same element with different number of neutrons
- what do you find with a graduated cylinder
- Length measured with a ruler
- Who discovered the proton
- Mass measured with a balance
- negative ions
- a mixture containing particles
- when 2 liquids do not mix
- a type of colloid; a colloid between 2 liquids that are immiscible
Down
- substances that are volatile vaporize easily
- microscopic particles that are dispersed evenly in another substance
- substance that is dissolved
- Atoms are what in chemical reactions
- Atoms of an element are what
- What is matter composed of
- substance that does the dissolving
- a combination of 2 or more pure substances in which each substance retains its individual chemical properties
- Time measured with a clock or stopwatch
20 Clues: positive ions • negative ions • Who discovered the proton • when 2 liquids do not mix • substance that is dissolved • What is matter composed of • Atoms of an element are what • Length measured with a ruler • Mass measured with a balance • a mixture containing particles • substance that does the dissolving • Atoms are what in chemical reactions • ...
Chemistry Bonus 2024-05-10
Across
- substances that are volatile vaporize easily
- Atoms of the same element with different number of neutrons
- Atoms are what in chemical reactions
- substance that does the dissolving
- Length measured with a ruler
- when 2 liquids do not mix
- positive ions
- negative ions
- What is matter composed of
- microscopic particles that are dispersed evenly in another substance
Down
- smallest particle of a covalently bonded compound
- a type of colloid; a colloid between 2 liquids that are immiscible
- what do you find with a graduated cylinder
- substances that can be dissolved
- Atoms of an element are what
- a mixture containing particles
- Who discovered the proton
- Mass measured with a balance
- a combination of 2 or more pure substances in which each substance retains its individual chemical properties
- Time measured with a clock or stopwatch
- substance that is dissolved
21 Clues: positive ions • negative ions • Who discovered the proton • when 2 liquids do not mix • What is matter composed of • substance that is dissolved • Atoms of an element are what • Mass measured with a balance • Length measured with a ruler • a mixture containing particles • substances that can be dissolved • substance that does the dissolving • Atoms are what in chemical reactions • ...
Chemistry Crossword 2024-05-17
Across
- The vertical columns in the periodic table
- Area around a nucleus where electrons are mostly found
- Have a pH less than 7
- Two elements replace another to make a product
- Atoms of the same element that have different numbers of neutrons
- Amount of product actually obtained from a chemical reaction
- 2 or more substances that combine to make another
- Force of attraction between opposite charges
- Substances that are made
- Electron
- Horizontal rows of elements
- Mixture in which different materials can easily be distinguished
Down
- Substances that react
- Contains 2 or more gases, liquids, or solids substances blended evenly
- A table filled with elements in order of atomic numbers
- One substance breaks down, into 2 more
- One element replaces another to make a product
- Number of protons in an atom is equal to a number called blank
- Scattering of light by colloidal particles
- Positively or negatively charged, covalently bonded group
- Two protons and two neutrons
- Attraction formed when elements share electrons
- Substance reacts with oxygen to make heat and light
- produces OH- ions
- A substance in which the atoms of 2 or more elements are combined
- Numbers in front of each substance in an equation
26 Clues: Electron • produces OH- ions • Substances that react • Have a pH less than 7 • Substances that are made • Horizontal rows of elements • Two protons and two neutrons • One substance breaks down, into 2 more • The vertical columns in the periodic table • Scattering of light by colloidal particles • Force of attraction between opposite charges • ...
Cooking chemistry 2024-02-06
Across
- what happens to wine to make it alcoholic
- the production of CO2 in resting doughs
- you bloom it in water before using
- mayo, vinaigrette
- what you do to egg whites and other things to incorporate air
- Jello
- an extreme on the pH scale, is in lemons
- what happens when you use baking soda or baking powder
Down
- happens to things if not consumed within a period of time
- water moving through meat or vegetables
- using yeast to make things rise
- The adding of structure to dough when you kneed it
- its in most foods or dishes to add silky texture and flavor
- Necessary to cook
- needs to happen to have edible protein
- it happens when you season meat before cooking
- what happens to cookies and other goods to make them brown
- used in almost everything to add flavor, only found from ocean
- happens when heating milk
- Browning of sugars
20 Clues: Jello • Necessary to cook • mayo, vinaigrette • Browning of sugars • happens when heating milk • using yeast to make things rise • you bloom it in water before using • needs to happen to have edible protein • water moving through meat or vegetables • the production of CO2 in resting doughs • an extreme on the pH scale, is in lemons • what happens to wine to make it alcoholic • ...
Materials Chemistry 2024-04-15
Across
- Manipulates atoms to construct useful objects
- Common example of an elastomer
- Made from styrene monomers
- Type of phone made by ceramic technology
- Regular repeating units found in ceramics
- General category of advanced ceramics
- A much finer ceramic made in AD600
- Bones made of ceramics in medicine
- Substance that makes pottery from ground
- More than 40 ______ pounds of this polymer used annually
- Polymers that are elastic
- Nonmetallic and inorganic materials
- Large molecules that make up polymers
- From the Greek word meaning many parts
- Element used in nanotechnology
- Modern ceramics are made using sol-gel _____
Down
- Due to their extreme ______ ceramics are used in drill bits
- Made of ceramics in orthodontics and dentistry
- A type of ceramics found in pottery
- A common type of plastic
- Polymers can be classified on the basis of how they _____
- Polymers can be classified into this group
- An example of a condensation polymers
- Made from monomers of ester groups
- Where pottery is fired
- A type of bond found in ceramics
- Dynasty that created blue and white pottery
- Takes years to breakdown in dumps
- Ceramics made in the 20th century
29 Clues: Where pottery is fired • A common type of plastic • Polymers that are elastic • Made from styrene monomers • Common example of an elastomer • Element used in nanotechnology • A type of bond found in ceramics • Takes years to breakdown in dumps • Ceramics made in the 20th century • A much finer ceramic made in AD600 • Made from monomers of ester groups • ...
Chemistry Bonus 2024-04-22
Across
- writing numbers as a product by stating to the power of
- absorbs heat
- state of being exact
- ion capable of accepting a proton
- made up of two or more separate elements
- converting units of measure into another
- basic unit of a chemical element
- a chemical bond formed when two atoms share electrons
- state of being correct
- relationship of substances reacting or forming a compound
- form in which something exist in
Down
- releases heat
- representation of a chemical reaction
- table of chemical elements
- electrons in the outermost shell of an atom
- chemical bond formed when an element gives up one or more electrons to another
- amount of substance containing the same number of chemical units
- heat involved during a chemical reaction
- hydrogen capable of giving a proton
- digits that mean something in a number
20 Clues: absorbs heat • releases heat • state of being exact • state of being correct • table of chemical elements • basic unit of a chemical element • form in which something exist in • ion capable of accepting a proton • hydrogen capable of giving a proton • representation of a chemical reaction • digits that mean something in a number • made up of two or more separate elements • ...
Chemistry Vocabulary 2024-05-10
Across
- the tightness across the surface of water that is caused by the polar molecules pulling on one another
- the tendency of water to stick to other substances
- amount of heat required to increase the temperature of water
- term that describes an organism that lives on land
- A device that determines the distance of an object under water by recording echoes of sound waves
- water that fills the cracks and spaces in underground soil
- free-swimming animals that can move throughout the water column
- organisms that live on the bottom of the ocean or other body of water
Down
- the tendency of water molecules to stick to each other
- small river or stream that flows into a large river or stream
- an underwater vehicle built of strong materials to resist pressure at depth
- term that describes an organism that lives in water
- the amount of matter in a given space
- underground bed or layer yielding ground water for wells
- the movement of deep, cold, and nutrient-rich water to the surface
- the area of land that is drained by a water system
- the area drained by a river and its tributaries
- the quality of water that makes it able to dissolve more substances than any other solvent can
- Tiny algae and animals that float in water and are carried by waves and currents
- the area where a freshwater stream or river merges with the ocean
20 Clues: the amount of matter in a given space • the area drained by a river and its tributaries • the tendency of water to stick to other substances • the area of land that is drained by a water system • term that describes an organism that lives on land • term that describes an organism that lives in water • the tendency of water molecules to stick to each other • ...
Chemistry Vocabulary 2024-05-13
Across
- two or more atoms held together by a bond
- Man-made, not natural
- Horizontal row of the Periodic table of Elements
- Waters ability to stick to other substances
- The point where a solid turns to a liquid
- Level of how acidic a base is
- The ability to dissolve in another substance
- Organism that can't make their own food
- The quality of water that makes it dissolve more substances than any other solvent
Down
- Medicine that kills or slows the growth of bacteria
- Simplest substance
- Measure of matter in a substance
- Waters ability to stick to itself
- Organism that can make it's own food
- An organism that lives underwater
- The amount of matter in a given space
- Column in the Periodic table of Elements
- Measure of how clear the water is
- The point where a liquid turns to a gas
- The amount of space something takes up
20 Clues: Simplest substance • Man-made, not natural • Level of how acidic a base is • Measure of matter in a substance • Waters ability to stick to itself • An organism that lives underwater • Measure of how clear the water is • Organism that can make it's own food • The amount of matter in a given space • The amount of space something takes up • The point where a liquid turns to a gas • ...
Inorganic Chemistry 2024-07-08
Across
- Substances that absorb moisture but does not dissolve in it
- Hypothetical alkali metal
- Combination type of solution that can dissolve gold
- Which complex is inhibited by cyanide?
- Most abundant isotope of H
- Teratogenic effect of lithium
- Reduces iodine
- Other name for Magnesium oxide
- DOC for Anaphylactic shock
- First element to be discovered by spectroscopy
- Element present in Grignard Reagent
- CuFeS2
- Vitamin D enhances the absorption of this metal
- Potassium permanganate is also known as
Down
- Primary standard for KFR
- This element is present in insulin
- Sal volatile
- General use of Au
- DOC for eclampsia
- Lactated Ringer's
- Lithium salt for bipolar disorder
- Lithos
- DOC for systemic acidosis
- Active form of Methenamine
- Alloys of mercury
- Adverse effect of Barium sulfate
- Most abundant extracellular cation
- Table salt
- Calcium sulfate dihydrate
- C/I route for KCl
30 Clues: Lithos • CuFeS2 • Table salt • Sal volatile • Reduces iodine • General use of Au • DOC for eclampsia • Lactated Ringer's • Alloys of mercury • C/I route for KCl • Primary standard for KFR • Hypothetical alkali metal • DOC for systemic acidosis • Calcium sulfate dihydrate • Most abundant isotope of H • Active form of Methenamine • DOC for Anaphylactic shock • Teratogenic effect of lithium • ...
Chemistry Review 2024-02-09
Across
- The number of protons in the element.
- A diagram that shows only the valence electrons.
- Two or more different atoms bonded together.
- The Law of ____ of mass says that matter cannot be created or destroyed.
- A pure substance that cannot be broken down to simpler substances.
- An element with 25 protons.
- Materials that allow heat to easily flow through.
- The number of protons plus neutrons.
- A particle in the nucleus with no charge.
- A change that only changes how something looks.
- A drawing of each ring of electrons.
- In covalent bonds, the elements _____ electrons.
- Elements with 7 valence electrons.
- An element with 114 neutrons.
- The inner shell can hold ___ electrons.
- The Earth Metals in the second group.
- Every living thing is mainly made of these 4 elements.
Down
- The electrons on the outermost shell.
- A bond between a metal and non-metal.
- New substances are formed in a _____ reaction.
- Elements that do not react with anything.
- How shiny an element is.
- This element was once called Wolfram.
- A negative particle orbiting the nucleus.
- Two or more different elements combined.
- Can be separated.
- Metals that are the most reactive.
- An atom of the same element with a different number of neutrons.
- An element with 74 neutrons.
- One or two letters that represent an element.
- ______ are made of mostly four elements.
- The chemical found in hot peppers.
- A bond between two non-metals.
- A particle in the nucleus with a positive charge.
- Elements found on the "stairs" of the table.
- Carbon in its ordinary form is _____
- The person who created the Periodic Table.
37 Clues: Can be separated. • How shiny an element is. • An element with 25 protons. • An element with 74 neutrons. • An element with 114 neutrons. • A bond between two non-metals. • Metals that are the most reactive. • The chemical found in hot peppers. • Elements with 7 valence electrons. • The number of protons plus neutrons. • A drawing of each ring of electrons. • ...
Cooking chemistry 2024-02-09
Across
- Level of sourness
- sour
- a way to create acids
- Substances transferring from an area of high concentration to a low one
- Form of fat that comes from a plant
- Substances traveling from a low concentration to high concentration through a smei-permeable membrane
- A reaction that is reversible
- Comes from ocean
- dough rising due to yeast
- Cooks food
- form of fat coming from an animal
- The process of proteins becoming amino acids
Down
- Uses acids and bases
- Boiling sugar
- A substance that helps mix two or more liquids that normally dont
- Bacon gives off when cooked
- Browns and creates nutty flavor
- Two or more substances interacting to create a different product
- uses mechanical means
- when a molecule has both a positive and negative side
20 Clues: sour • Cooks food • Boiling sugar • Comes from ocean • Level of sourness • Uses acids and bases • a way to create acids • uses mechanical means • dough rising due to yeast • Bacon gives off when cooked • A reaction that is reversible • Browns and creates nutty flavor • form of fat coming from an animal • Form of fat that comes from a plant • The process of proteins becoming amino acids • ...
Cooking Chemistry 2024-02-08
Across
- browning magic
- Is a group that reacts with sugar dry or wet
- Small droplets of liquid that go into another liquid
- Switch out one element
- The steam that forms in moist batter
- It breaks the weak
- marbles in food
- enhances flavor
- High to low
- Makes meat more tender
Down
- something that’s called yeast baking lighter
- Produces carbon dioxide
- To take something apart
- Causing them to swell and burst
- kills bacteria
- When grape juice is left over time to make wine
- To make something
- A smell
- has a ph below 7
- Water across membrane
20 Clues: A smell • High to low • browning magic • kills bacteria • marbles in food • enhances flavor • has a ph below 7 • To make something • It breaks the weak • Water across membrane • Switch out one element • Makes meat more tender • Produces carbon dioxide • To take something apart • Causing them to swell and burst • The steam that forms in moist batter • something that’s called yeast baking lighter • ...
Cooking chemistry 2024-02-08
Across
- baking soda and acid in a bake good
- Carbs
- gelatinization Heating up a mixture of starch and water to create a thicker consistency.
- Gives you energy
- denaturation molecules unfolding from heat
- when 2 thing don’t mix then something makes it mix
- Yeast eating sugar reaction
- Heating sugar
- kills bacterias
- savory or meaty taste
Down
- Process that transforms liquid food into a solid state.
- point The temperature at which a compound transitions from a solid to a liquid
- concentration to low concentration diffusion
- Gliadin+ Glutenin
- tenderizes food
- a sugar
- enhances
- low concentration to high concentration
- when you eat the taste is decided as…
- heat+ amino acids+sugar
20 Clues: Carbs • a sugar • enhances • Heating sugar • tenderizes food • kills bacterias • Gives you energy • Gliadin+ Glutenin • savory or meaty taste • heat+ amino acids+sugar • Yeast eating sugar reaction • baking soda and acid in a bake good • when you eat the taste is decided as… • low concentration to high concentration • denaturation molecules unfolding from heat • ...
chemistry G 2023-10-05
Across
- the number of protons in an element
- atoms of an element with different numbers of neutrons
- protons & neutrons are in this
- mass/volume
- Liquid phase-->gas phase
- have +1 charge
- Type of radiation very high in energy
- Plum pudding model
- decay results in reduction of atomic number by 2
- have no charge
- Gas phase --> liquid phase
- have a -1 charge
- Most elements are this
- has 92 protons
- Gas phase-->Solid phase
- a packet of energy that can interact with atoms/electons
Down
- experiment conducted by Rutherford
- a charged atom
- Uncertainty principle
- Liquid phase --> solid phase
- Solid phase-->gas phase
- electrons can be thought of as particles or waves
- type of radiation very low in energy
- the 4 electron orbitals in order
- refers to electrons & energy levels
- can act as metal or nonmetal
- smallest unit of an element
- decay result in increase of atomic number by 1
- has 2 protons
- first scientific model
30 Clues: mass/volume • has 2 protons • a charged atom • have +1 charge • have no charge • has 92 protons • have a -1 charge • Plum pudding model • Uncertainty principle • first scientific model • Most elements are this • Solid phase-->gas phase • Gas phase-->Solid phase • Liquid phase-->gas phase • Gas phase --> liquid phase • smallest unit of an element • Liquid phase --> solid phase • ...
Chemistry Crossword 2023-10-28
Across
- the scientific study of the composition structure and properties of matter and the changes that matter undergoes
- a substance that contains two or more elements chemically combined in fixed position
- Protective garment worn over the front of one's clothes and tied in the back.
- Protective eyewear that surrounds the eyes in order to prevent chemical splashes or small, fast-moving objects from coming into contact with the eyes.
- place it ontop of a test tube to keep liquid inside while mixing
- Temperature,This is a temperature reading made relative to absolute zero(kelvins).
- Safety Diamond
- a horizontal row of elements in a periodic table
- the simplest form of matter that has a unique set of properties an element cannot be broken down into simpler substances by chemical means
Down
- and physical
- risky or dangerous
- A machine to heat up beakers of substances
- the amount of matter within a certain volume
- a tall narrow container with a volume scale used especially for measuring liquids.
- a vertical column of elements in the periodic table the constituent elements of a group have similar
- a measurement of how much of a solute can dissolve in a liquid.
- a cylindrical container with a flat bottom
- a physical blend of two or more substances that are not chemically combined
- small tube that you can put samples in usually does not have measurements on the side
- Personal Protection Equipment
20 Clues: and physical • Safety Diamond • risky or dangerous • Personal Protection Equipment • A machine to heat up beakers of substances • a cylindrical container with a flat bottom • the amount of matter within a certain volume • a horizontal row of elements in a periodic table • a measurement of how much of a solute can dissolve in a liquid. • ...
Chemistry Crossword 2024-04-21
Across
- Substances that are formed by a chemical change in a reaction
- The top point of a wave
- An equality statement in fraction form that helps you convert between units
- A shape of molecule where there are 3 electron domains around the central atom
- A type of reaction where a hydrocarbon reacts with oxygen gas to produce carbon dioxide and water vapor
- The distance between two consecutive points on a wave
- The amount of moles in volume of solution
- A shape of molecule where there are 4 electron domains around the central atom
- A region on the central atom of a molecule where electrons are most likely to be found (bonding and nonbonding electrons)
- A type of reaction that involves two ionic compounds where the cations switch places
- The unit of particles for an ionic compound
- A type of chemical reaction in which multiple substances form a single product
- The number of particles present in one mole of substance
- A shape of molecule where there are 3 bonds and 1 lone pair of electrons on the central atom
- A chemical substance that releases H+ ions in aqueous solutions
- 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
- A bond formed when electrons are shared between two atoms
- A chemical substance that releases OH- ions in aqueous solutions
- The rate of occurrence of a wave
- The acronym that stands for Valence Shell Electron Pair Repulsion Theory
- A solution in which a solid is dissolved in water
- The geometry of where atoms are in relation to a central atom, only taking into account the bonding electrons
Down
- A solid that forms from a reaction between two aqueous solutions
- A type of electron that participates in bonding
- A number that indicates how many atoms are present in a molecule
- A type of chemical reaction in which a single substance breaks down into multiple substances
- A shape of molecule where there are 2 electron domains around the central atom
- The breakdown of ions in an aqueous solution
- Substances that are destroyed by a chemical change in a reaction
- A chart used to predict the states of matter of compounds
- A bond formed when electrons are transferred from one to another
- The arrangement of electrons in orbitals around the nucleus
- The unit of particles for an element
- A chemical reaction in which an acid and base react with one another to produce water and a salt solution
- The mass of a substance in grams
- A chart used to predict if a single replacement reaction will occur
- Electrons follow these pathways around the nucleus of the atom
- A number that indicates the charge of an ion
- Diagram that shows the valence electrons of an atom
- A number that indicates how many moles of a substance are present in a balanced chemical reaction
- A pair of electrons on the central atom of a molecule that do not participate in bonding
- The height of the wave
- The geometry of where atoms are in relation to a central atom, taking into account both bonds and lone pairs of electrons
- Reducing the number of moles of solute per unit volume of solution
- The bottom point of a wave
- The unit of particles for a covalent compound
46 Clues: The height of the wave • The top point of a wave • The bottom point of a wave • The mass of a substance in grams • The rate of occurrence of a wave • The unit of particles for an element • The amount of moles in volume of solution • The unit of particles for an ionic compound • The breakdown of ions in an aqueous solution • A number that indicates the charge of an ion • ...
Chemistry crossword 2024-06-17
Across
- Type of electromagnetic radiation that can be perceived by the human eye.
- Name that is the reference for the value of the mole.
- Has two shells and the same number of valence electrons of chlorine.
- Protons and neutrons particles.
- Has a greenish light with the flame test.
- Father of modern chemistry.
- Level of energy when electrons orbit.
- Every element has a specific mass as a signature.
- Electrons located on the outermost shell
- Variant of a same element.
Down
- Discovered the positive nucleus in the atom.
- Unit that represents a large set of particles.
- An unstable isotope that will start a chain reaction.
- First known as "better air".
- Radiation that shows the highest level of energy on the spectrum.
- Electrons located on the first shell(s) but not the last one.
- An old concept that was believed to be a fluid taken or added during combustion.
- From its Latin origin "Aurum"
- Radiation that shows the lowest level of energy on the spectrum.
- Has a mass of 56 amu.
- Has two shells of energy and only four valence electrons.
- Isotope of hydrogen with an extra two neutrons
- Discover the levels of energy for the electrons.
23 Clues: Has a mass of 56 amu. • Variant of a same element. • Father of modern chemistry. • First known as "better air". • From its Latin origin "Aurum" • Protons and neutrons particles. • Level of energy when electrons orbit. • Electrons located on the outermost shell • Has a greenish light with the flame test. • Discovered the positive nucleus in the atom. • ...
Y11 Chemistry 2024-06-19
Across
- Atoms of an element with the same number of protons and electrons but different number of neutrons.
- An insoluble solid formed from 2 solutions reacting
- Different physical forms of the same element in the same state
- Removing salt from seawater.
- In a metal, these slide over each other without disrupting the bonding.
- Positive particle in an atom
- Another term for free electrons
- A salt that is formed when sulfuric acid reacts with another chemical element.
- A block of metals, usually giving rise to coloured compounds
- Group 2, The alkaline _____________ metals
- Produces hydrogen ions when dissolved in water
- Word used to describe the structure of ionic and metallic substances
- A mixture designed for a useful purpose
- Produced when the hydrogen in an acid is replaced by a metal
- The number of protons is the _________________ number
- Water that is safe to drink
- When a more reactive halogen takes the place of a less reactive one.
- Scientist responsible for the development of the periodic table
- A charged particle
- A narrow glass tube used for measuring liquid or for moving small amounts of liquid from one place to another, particularly 25cm3
- Most of an atoms mass is here
- Bonding between a metal and non-metal
- Method of potassium or sodium salt production
- A small mammal, but also the name given to approx 6x10e23 particles
- __________________ copper(II) sulfate, used to test for water
- Diamond and graphite have this type of structure
Down
- The colour of bromine in water
- The type of bond found within metal
- Colour of solutions formed by group 1 and 2 compounds
- A metal compound that reacts with acid to form salt, water and carbon dioxide
- Chlorination kills these, when making water safe to drink
- Method to separate and retain both the solute and its solvent - simple ___________________
- A soluble base
- A bond made from a shared pair of electrons, between non-metals
- A type of covalent structure, small, with a definite start and end
- Used to measure and record a volume of liquid very accurately, with a tap
- Solution of sodium or ammonium _________________ used to identify metal ions
- Total number of protons and neutrons is the ________________ number
- General name for liquid that passed through the filter paper
- The group of elements - fluorine, chlorine, bromine, iodine, and astatine.
- A very small particle that has no electrical charge
- Metals get more reactive down their group as the outer ____________ gets further from the attractive nucleus
- Elements with the same number of electrons in the outer shell are in the same ________________
- Smaller than an atom, describes the particles that make up an atom.
- An element that forms diamond, graphite and graphene.
- A type of model for the atom, based on a pudding.
- Method to separate coloured dyes for analysis - paper ______________________
- A positively charged ion.
48 Clues: A soluble base • A charged particle • A positively charged ion. • Water that is safe to drink • Removing salt from seawater. • Positive particle in an atom • Most of an atoms mass is here • The colour of bromine in water • Another term for free electrons • The type of bond found within metal • Bonding between a metal and non-metal • A mixture designed for a useful purpose • ...
Chemistry Fun! 2024-05-20
Across
- All single bonds
- Q
- Reduction occurs here
- Converting moles of one substance to moles of another
- Charged atom
- Dispersion depends on these
- Everyone's favorite unit in chemistry
- Favored entropy sign
- Close to an amine but with a double bonded O
- Stable number of particles in a nucleus
- Favored electrochemical cell
- Strongest IMF
- Atomic size ____ across the PT
Down
- Particle involved in bonding
- Same Temperature, Same ______
- One of the quantum numbers
- The rate-determining step in a mechanism
- A high energy electron
- Color of light with the longest wavelength
- Describes how a reaction will shift when stressed
- Type of alloy
- The ultimate deciding factor for a process
- Most basic particle of matter
- Bond angle of 120
- Forward and reverse rates are equal
- Oxygen in a carbon chain
26 Clues: Q • Charged atom • Type of alloy • Strongest IMF • All single bonds • Bond angle of 120 • Favored entropy sign • Reduction occurs here • A high energy electron • Oxygen in a carbon chain • One of the quantum numbers • Dispersion depends on these • Particle involved in bonding • Favored electrochemical cell • Same Temperature, Same ______ • Most basic particle of matter • ...
Chemistry Final 2024-06-07
Across
- The most maximum concentration point in which the leftover solute is dissolved again.
- A substance that is dissolved in a solution.
- Amount of a substance per defined space.
- The process of reducing the concentration of a solute in a solution.
- A chemical type that gives protons or hydrogen ions and/or accepts electrons.
- A type of homogeneous mixture in which the dispersed particles do not settle out.
- When two substances cannot mix together to form a solution.
- A component of a solution that is the most amount in the solution.
- A bond where an unequal amount of charge is distributed.
- Not able to be dissolved in a solvent.
- A substance which forms ions in an aqueous solution.
Down
- A chemical solution in which the solute concentration is lower than its equilibrium solubility.
- A homogeneous mixture of two or more substances.
- No separation of charge, so no positive or negative poles are formed.
- A concentration unit, defined to be the number of moles of solute divided by the number of liters of solution.
- A substance that doesn't exist in an ionic form in an aqueous solution.
- Any solution in which water is the solvent.
- When mixed, it's able to form a solution.
- How much can be dissolved.
- The maximum concentration point in which no more solute can be dissolved, with a little bit of solute left over.
- A chemical type that gives electrons or hydroxide ions or that accepts protons.
- Can easily be dissolved.
22 Clues: Can easily be dissolved. • How much can be dissolved. • Not able to be dissolved in a solvent. • Amount of a substance per defined space. • Any solution in which water is the solvent. • When mixed, it's able to form a solution. • A substance that is dissolved in a solution. • A homogeneous mixture of two or more substances. • ...
Chemistry Crossword 2024-09-05
Across
- positive charge
- you can only shorten your notation if you put your noble gas in _____
- a principle in which electrons occupy the lowest energy shells first
- the least frequent wavelength
- to what power is 3.00 to when referring to the speed of light
- where do electrons “possibly” store themselves?
- what does energy emit when it returns back to its original state
- a principle in which electrons can only occupy the same orbital if they have the different spin
- negative charge
- if there are five orbitals, how many electrons can fit (MAXIMUM)
- what does E=h*v mean
- how many rows are in a periodic table
- to know the ______ you need to know the frequency
- what is the highest point in the wavelength called
- what is the lowest point in the wavelength called
- how should you write the frequency formula in your calculator?
- how many electrons can fit into one orbital?
- types of electrons that occupy the outer energy shell
- electrons have to occupy ____ before they can pair up
- what block is Helium in on the periodic table
- a section in the periodic table that has 2 rows of 14 elements
- what is the element that Zn represents
Down
- unit for measuring energy
- if it is row 4 in the S block, what row is it in the D block?
- the most frequent wavelength
- what is the name of h/6.626*10^-34?
- what are the subshells (or “blocks”) electrons are grouped into IN ALPHABETICAL ORDER!
- what should the number of electrons be equal to?
- ____ model is a model that displays the structure of an atom, but is slightly inaccurate (also used frequently in present day science classrooms)
- also known as the atomic number
- if all of sulfur’s exponents add up to 16, what is sulfur’s atomic number?
- to what power is 6.626 to when referring to energy
- what state is energy in when it gets to an excited state
- where electrons could POSSIBLY be
- the units for frequency
- no charge
- what block is Zn in?
- have a different number of neutrons, but same number of protons
38 Clues: no charge • positive charge • negative charge • what does E=h*v mean • what block is Zn in? • the units for frequency • unit for measuring energy • the most frequent wavelength • the least frequent wavelength • also known as the atomic number • where electrons could POSSIBLY be • what is the name of h/6.626*10^-34? • how many rows are in a periodic table • ...
Basic Chemistry 2024-09-10
Across
- Subatomic particle with a positive electric charge(pg.25)
- Two or more atoms bonded together(pg.25)
- Electron hungry and attract electrons very strongly(pg.34)
- The measure of hydrogen ion concentration of a solution(pg.40)
- Electrons forming the electron cloud around the nucleus of an atom occupy regions of space called?(pg.31)
- Single-ring structure containing three to seven carbon atoms(pg.43)
- Energy in action (pg.24)
- Net negative charge(pg.32)
- Average of the relative weights( mass number)of all the isotopes of an element(pg.28)
- Weak bonds formed between one hydrogen atom, covalently linked to an electronegative atom and another electronegative atom(pg.34)
- Anything that occupies space and has mass(pg.24)
- Chemical bond between atoms formed by the transfer of one or more electrons from one atom to another(pg.32)
- Building blocks of protein molecules(pg.47)
- Universal energy compound of body cells(pg.55)
- Basic structural material of the body9PG.47)
- Globular proteins that act as a biological catalyst(pg.51)
- Sum of protons and neutrons(pg.27)
- Large arrays of cation and anions held together by ionic bonds(pg.32)
- Energy involved in moving matter (pg.24)
- When chemical bonds are formed, rearranged or broken(pg.35)
- Unstable chemical element that releases radiation and their atoms decompose spontaneously into more stable forms(pg.28)
- Subatomic particle with a negative charge(pg.25)
- A combination of two or more atoms held together by chemical bonds(pg.28)
- When atoms or molecules combine to form a larger, more complex molecule(pg.36)
- Substance that release hydrogen ions(proton donors)(pg.39)
Down
- Polymers of simple sugars linked together by dehydration synthesis(pg.43)
- building blocks of elements (pg.27)
- Formed when two pair of electrons is shared between two atoms(pg.32)
- Homogeneous mixture of components that may be gases, liquids, or solids(pg.29)
- Formed when two monosaccharides are joined by dehydration synthesis(pg.43)
- The capacity to do work, or to put matter into motion (pg.24)
- Unique substances that cannot be broken down into simplier substances by ordinary chemical bonds (pg.25)
- Energy stored in chemical bonds(pg.24)
- Energy Stored (pg.24)
- Net positive charge(pg.32)
- A group of molecules that includes sugars and starches(pg.43)
- Substances composed of two or more components physically intermixed(pg.29)
- The number of protons in the nucleus of an atom(pg.27)
- Flat molecules made up of four interlocking hydrocarbon rings(pg.47)
- Organic compounds insoluble in water but soluble in other lipids and in organic solvents(pg.43)
- Single most abundant compound in the body(pg.38)
- Study of the chemical compositions and reactions of living matter(pg.38)
- Same number of protons(and electrons)but different number of neutrons(pg.27)
- An atoms outermost energy level(pg.31)
- Proton acceptors(pg.39)
- Heterogeneous mixture containing dispersed or suspended particles in the dispersion medium(pg.30)
- Heterogenous mixture with large, often visible solutes ta tend to settle out(pg.30)
- A substance formed from two or more different elements chemically bonded(pg.28)
- Atoms combining with other atoms to form chemical compounds(pg.31)
- Ionic compounds that dissolve in water an acts as electrolytes(g.39)
50 Clues: Energy Stored (pg.24) • Proton acceptors(pg.39) • Energy in action (pg.24) • Net positive charge(pg.32) • Net negative charge(pg.32) • Sum of protons and neutrons(pg.27) • building blocks of elements (pg.27) • Energy stored in chemical bonds(pg.24) • An atoms outermost energy level(pg.31) • Two or more atoms bonded together(pg.25) • Energy involved in moving matter (pg.24) • ...
Basic Chemistry 2024-09-13
Across
- Located in the nucleus of the atom and bear a neutral charge. Page 25
- To change reversibly from a fluid (sol) state to a more solid (gel)state. Page 30
- Energy that is directly involved in moving matter. Page 24
- When atoms with 6 or 7 valence electrons attracts electrons strongly. Page 34
- Unequal electron pair sharing. Page 34
- To express the concentration of a solution. Page 29
- A listing of the known elements and helps to explain their properties. Page 25
- The atom that gains one or more electrons is the electron acceptor. Page 32
- Energy in action. Page 24
- Located in the nucleus of the atom and bear a positive charge. Page 25
- The atom that loses electrons is the electron donor. Page 32
- A sentence describing what happens in a reaction. Page 35
- Substances present in smaller amounts. Page 29
- They are the basis of all reactions in which food fuels are broken down for energy. Page 36
- Atom that has the same number of protons but different numbers of neutrons. Page 27
- Electrons forming the electron cloud around the nucleus of an atom that occupy regions. Page 31
- A chemical bond between atoms formed by the transfer of one or more electrons from one atom to the other. Page 32
- Homogeneous mixtures of components that may be gases, liquid or solids. Page 29
- Substances present in the greatest amount. Page 29
- Stored in the bonds of chemical substances. Page 24
- Formed when a hydrogen atom, is linked to an electronegative atom. Page 34
- The sum of masses of its protons and neutrons. Page 27
- Each element designates by one or two letter. Page 25
- Substances compound of two or more compounds. Page 29
- Anything that occupies space and has mass. Page 24
Down
- results from the movement of charged particles. Page 24
- Energy that travels in waves. Page 24
- When smaller particles are bonded to form complex molecules. Page 36
- Energy is stored and inactive. Page 24
- To convert energy from one form to another. Page 24
- Reacting substances in a chemical reaction. Page 35
- Substances that increases the rate of chemical reactions without becoming chemically charged. Page 38
- When bonds are broken in larger molecules, resulting in smaller, less complex molecules. Page 36
- Located in the centre of the atoms and consist of protons and neutrons. Page 25
- bonds - An energy relationship between the electrons of the reacting atoms, and it is made or brake in trillionth of a second. Page 31
- Atoms with one or two valence shell electrons. Page 34
- Isotopes that exhibit reactivity behavior. Page 28
- Regions around the nucleus in which a given electron or electron pair is likely to be found. Page 26
- An average of the relative weights (mass numbers) of all the isotopes of an element. Page 28
- Molecules that are formed from covalent bonds and are electronically balanced. Page 33-34
- Clusters of even smaller particles called protons, neutrons and electrons. Page 24
- A combination of two or more atoms held together by chemical bond. Page 28
- Located on the shell of the atom and has a negative charge. Page 25
- Heterogeneous mixtures, which means that the composition is dissimilar in different arears of the mixture. Page 30
- Heterogenous mixtures with large, often visible solutes that tend to settle out. Page 30
- Equal to the number of protons in its nucleus. Page 27
- When two or more different kinds of atoms bond. Page 28
- Electron sharing produces molecules. Page 32
- The process of the atomic decay. Page 28
- Equal to its atomic weight or molecular weight. Page 29
- Predicting the chemical behavior of atoms. Page 26
51 Clues: Energy in action. Page 24 • Energy that travels in waves. Page 24 • Energy is stored and inactive. Page 24 • Unequal electron pair sharing. Page 34 • The process of the atomic decay. Page 28 • Electron sharing produces molecules. Page 32 • Substances present in smaller amounts. Page 29 • Isotopes that exhibit reactivity behavior. Page 28 • ...
Basic Chemistry 2024-09-13
Across
- two or more atoms held together by chemical bonds.
- full set of protein made by the body
- homogenous components that may be gases, liquids or solids.
- proteins, proteins that are extended and strand like.
- energy in action
- acids, they are DNA and RNA
- isotopes that is radioactive.
- composed of two or more components physically intermixed.
- anything that occupies space and has mass
- stored energy
- a single chain structures containing three to seven carbon atoms
- formed when two monosaccharides are joined by dehydration synthesis
- number, number of protons and neutrons
- have a negative charge
- an ionic compound containing cations
- number, number of protons
- have a positive charge
- substances that conduct an electrical current solution
- same number pf protons but different number of neutrons
- bonds, a chemical bond between atoms formed by a transfer of one or more electrons.
- substance present in smaller amounts in a solution
- the capacity to do work
- triphosphate, energy release during glucose catabolism
- they are protons acceptors
- group of molecules that include sugar and starches
Down
- polymers of simple sugars linked by dehydration synthesis
- a substance that releases hydrogen ions
- unique substances that cannot be broken down into simpler substances.
- are know as neutral fats
- heterogenous mixtures with often visible solutes that tend to settle out.
- the substance on which enzyme acts
- any element or compound is equal to its molecular weight
- bonds, sharing of electrons to achieve stability.
- substance present in the greatest amount in a solution
- energy, energy that travels in waves.
- smallest unit of a chemical element consisting of protons, neutrons and electrons
- insoluble in water but dissolve readily in other lipids and organic solvents.
- they are called emulsions.
- energy, the amount ofc energy needed to break the bonds of reactants
- bonds, bonding between dipoles such as water molecules
- energy, energy formed between chemical bonds.
- energy, energy directly involved in matter,
- flat molecules made of four interlocking hydrocarbon bonds
- innermost layer of an atom
- when two or more different kinds of atom binds
- they are neutral
- a globular protein that acts as a biological catalysts
- acids, building block of proteins
- shell, outside of an atom around the atomic nucleus.
- bonds, energy that results from the movement of charged particles.
50 Clues: stored energy • energy in action • they are neutral • have a negative charge • have a positive charge • the capacity to do work • are know as neutral fats • number, number of protons • they are called emulsions. • innermost layer of an atom • they are protons acceptors • acids, they are DNA and RNA • isotopes that is radioactive. • acids, building block of proteins • ...
Basic Chemistry 2024-09-11
Across
- Positively charge pg25
- He, Ne and Ar are all what? pg 31
- Substances that increase rate of chemical reactions without chemically changing pg38
- Has an electrically balanced molecule pg34
- The average of the relative weights pg28
- Energy in action p24
- Larger solute particles are found in pg30
- Contains both protons and neutrons 25
- C6H12O6 is pg30
- Anything that takes up space and has mass pg 24
- Smallest building blocks pg25
- The region around the nucleus pg26
- An element or compound that equals to its atomic weight pg29
- A negatively charge ion pg32
- Has a mass of 1/2000 pg25
- Has no charge pg25
- The opposite of Gas pg24
- Transferred of Electrons pg32
- A strong attracted electron is called pg34
- Full outer shell is known as pg31
- Sum mass of proton and neutrons pg27
- Modern model of atomic structure pg26
- There are 118 of them pg25
- The letter for an element is called an pg25
- Two or more atoms held together by chemical bonds is called pg28
- An atom occupies regions of space pg31
- Stored energy pg24
Down
- What molecule has a paired of unequal sharing? pg34
- When water has two poles of charge pg34
- A primary compound of all organic molecules pg26
- An atom that is equal to the same # of protons is? pg27
- Great for teeth and bones pg26
- NaCl pg29
- When atom combine with other atoms, they are held together by pg31
- Two or more structural variations is an pg27
- Shared electrons pg32
- Water in a solution is called a pg29
- Two or more different kind of atom bind together is called pg28
- Isotopes that exhibit radioactivity behavior pg28
- The energy that is released when fuel molecules are oxidized pg37
- H2O pg34
- Ability to do work. pg24
- Need to make functional thyroid hormones pg26
- A mixture of composition is called a? pg29
- Two or more components that physical intermixed pg29
- A mixture of sand and water is a pg30
- Occurs when ionic compounds are formed pg36
- Has neither shape nor volume pg24
- Salt is an example of which solution pg29
- Simplest and smallest atom pg27
50 Clues: H2O pg34 • NaCl pg29 • C6H12O6 is pg30 • Has no charge pg25 • Stored energy pg24 • Energy in action p24 • Shared electrons pg32 • Positively charge pg25 • Ability to do work. pg24 • The opposite of Gas pg24 • Has a mass of 1/2000 pg25 • There are 118 of them pg25 • A negatively charge ion pg32 • Smallest building blocks pg25 • Transferred of Electrons pg32 • Great for teeth and bones pg26 • ...
Chemistry Craze 2024-05-06
Across
- mixture where the individual particles cannot be distinguished at all
- a solution where the solvent is water
- requires input of energy (heat)
- transition from solid to gas
- elements that do not exist naturally as a single atom, however, is bonded together by two elements
- number of digits that are known to some degree of reliability ( ____ for life)
- where a solution is boiled in order to separate liquids
- whenever two liquids do not mix with each other
- the study of how heat is affects matter and how it is converted to and from other forms of energy
- a biological catalyst that speeds up the rate of reactions that occur in the body
- a principle under the conditions of equal pressure and temperature, as well as, equal volumes of all gases that contain the same number of particles
- the energy that is required to remove an electron from an atom
Down
- releases heat
- a negative ion
- a point where H3O+ ions from the acid equals the moles of OH- from the base and is determined from a graph of the titration
- diffusion that is through a tiny opening
- a mixture that contains particles, which will settle out if it is left undisturbed
- when a base accpets a hydrogen atom from an acid; species produced
- a rule that means atoms will gain, lose, or share valence electrons to attain all 8 valence electrons
- the mixture is poured through a filter to separate liquids and solids
20 Clues: releases heat • a negative ion • transition from solid to gas • requires input of energy (heat) • a solution where the solvent is water • diffusion that is through a tiny opening • whenever two liquids do not mix with each other • where a solution is boiled in order to separate liquids • the energy that is required to remove an electron from an atom • ...
chemistry bonus 2024-05-01
Across
- point where two phases of a substance becomes indistinguishable from each other
- a compound that can act as either an acid or a base
- the minimum amount of energy that must be applied to a system to initiate a chemical change
- strong acids and bases ____ in water
- NaOH, KOH, Ca(OH)2, Ba(OH)2 are examples of ___
- the species produced when a base accepts a hydrogen ion (H+) from an acid
- to find the concentration of a basic solution, titrate with a known ___
- the change in heat of the products from the reactants
- monoprotic acid donates ___ proton per molecule
- to find the concentration of an acidic solution, titrate with a known ___
Down
- neutralization is what type of reaction
- solid to gas
- a procedure in which the concentration of a solution is determined by comparing it to a solution of known concentration
- as temperature _____ increases according to Gay-Lussac's law.
- HCl, HNO3, H2So4 are examples of ____
- the total amount of energy; movement
- the point at which the indicator used in a titration changes color.
- gas to a solid
- salt is what type of compound
- a substance that speeds up a chemical reaction without itself undergoing any chemical change
20 Clues: solid to gas • gas to a solid • salt is what type of compound • the total amount of energy; movement • strong acids and bases ____ in water • HCl, HNO3, H2So4 are examples of ____ • neutralization is what type of reaction • NaOH, KOH, Ca(OH)2, Ba(OH)2 are examples of ___ • monoprotic acid donates ___ proton per molecule • a compound that can act as either an acid or a base • ...
chemistry crossword 2024-05-08
Across
- the horizontal rows of the periodic table.
- the force of attraction between 2 atoms in a molecule.
- the smallest unit of an element.
- elements on the periodic table that are usually brittle, do not conduct electricity, and are sometimes gases.
- elements on the periodic table that are mostly silver, shiny and conduct electricity.
- the liquid that dissolves a solute.
- the solid that dissolves in a solvent.
- a mixture of 2 or more metals.
- 2 or more atoms bonded together.
- change of state from a solid to a liquid.
- does dissolve.
- another word for particles bumping into each other or hitting the sides of a container.
- made up of one type of atom.
- the vertical columns of the periodic table.
- what happens to a solute when you mix it with a solvent. the solute __________.
- when a particle cannot move around other particles, but it can still shake back and forth.
- NaOH, HCl, H2O, CO2, O2, N2 are examples of these.
- change of state from a liquid to a gas.
Down
- cannot see through.
- a shorter way to write an element's name.
- a lot of solute in a solution.
- this is caused by particles hitting the side of a container.
- can see through.
- when a liquid or gas spreads out.
- an impure substance.
- this can be solid, liquid, gas.
- these are shorter ways of writing the name of an element. e.g. Mg = magnesium.
- not much solute in a solution.
- does not dissolve.
- this can come in the form of kinetic, heat, light, chemical, potiential.
- made up of a solute and solvent.
- the separation of colours on filter paper.
- made up of two or more different types of atoms bonded together.
33 Clues: does dissolve. • can see through. • does not dissolve. • cannot see through. • an impure substance. • made up of one type of atom. • a lot of solute in a solution. • a mixture of 2 or more metals. • not much solute in a solution. • this can be solid, liquid, gas. • the smallest unit of an element. • 2 or more atoms bonded together. • made up of a solute and solvent. • ...
chemistry crossword 2025-11-12
Across
- what is the name of the table of elements
- what is a pure substance
- What group is the noble gases
- type of between a metal and a non-metal
- what ion does oxygen form
- What are the columns called on the table of elements
- what are the elements called in the middle of the table of elements
- what is multiple differant compounds in one place
- what structure do covalent bonds make
- giant ionic ..........
- acronym for metalic bonding
- what connects atoms
- what did neils bohr descover about electrons
- What group is francium in
Down
- what forces hold together molecules
- what do the dots represent in a dot and cross diagram
- What are the rows called on the table of elements
- bonding between non-metals
- what structure is diamond
- things electons sit on
- what is rutherford's model called
- What is mass / relative atomic mass
- What group is the Halogens
- What is the chemical formula for francium fluoride
24 Clues: what connects atoms • things electons sit on • giant ionic .......... • what is a pure substance • what ion does oxygen form • what structure is diamond • What group is francium in • bonding between non-metals • What group is the Halogens • acronym for metalic bonding • What group is the noble gases • what is rutherford's model called • what forces hold together molecules • ...
medicinal chemistry 2025-11-12
Across
- Another term for adrenergic antagonist; blocks effects of sympathetic neurotransmitters.
- A compound that binds to a receptor but does not activate it, blocking the effect of an agonist.
- The fraction of an administered dose that reaches the systemic circulation in active form.
- Chemical groups with similar physical or chemical properties that produce similar biological effects.
- Inactive compounds that become active after metabolic conversion inside the body.
- Peptide involved in vasoconstriction and blood pressure regulation.
- The study of how the body absorbs, distributes, metabolizes, and excretes drugs.
- Widening of blood vessels resulting from relaxation of smooth muscle in vessel walls, leading to increased blood flow and reduced blood pressure.
- The process by which drugs move from the bloodstream to tissues and organs.
- Include hydrogen bonds, ionic bonds, Van der Waals, and hydrophobic interactions that stabilize drug–target binding.
- The biochemical modification of drugs, mainly in the liver, to facilitate excretion.
Down
- Drugs that mimic the action of acetylcholine, stimulating parasympathetic responses.
- The movement of a drug from its site of administration into the bloodstream.
- A molecule that binds to a receptor and activates it to produce a biological response.
- Drugs that increase urine formation and help reduce blood pressure and edema.
- Refers to drugs or receptors related to adrenaline and noradrenaline actions.
- Enzyme that plays a key role in the Renin-Angiotensin-Aldosterone pathway controlling blood pressure.
- Condition treated with drugs that enhance cardiac output and reduce workload.
- Drugs that block the action of acetylcholine in parasympathetic nerves.
- Drugs that inhibit calcium ion entry into cardiac and smooth muscle, leading to relaxation.
- Specific biological sites, such as enzymes or receptors, that drugs bind to in order to exert their effects.
21 Clues: Peptide involved in vasoconstriction and blood pressure regulation. • Drugs that block the action of acetylcholine in parasympathetic nerves. • The process by which drugs move from the bloodstream to tissues and organs. • The movement of a drug from its site of administration into the bloodstream. • ...
Chemistry Review 2025-12-09
Across
- Positively charged sub-atomic particle
- Anything that has mass and takes up space
- This mixture has the same make-up and appearance throughout
- A definite volume but no fixed shape
- Color change, temperature change and odor are some of the indicators of this type of reaction
- How much stuff is in a certain amount of space
- The one or two letter code representing an element
- Two or more different elements chemically combined
- A pure substance consisting of only one type of atom
- Made of electrically charged particles
- A combination of two or more substances that aren't the same throughout
Down
- The neutrally charged sub-atomic particle
- Represents the number of protons in an element on the periodic table
- No definite shape or volume
- It dissolves the solute
- Horizontal rows on the periodic table
- Negatively charged sub-atomic particle
- Size, shape and state change are all indicators of this type of reaction
- Vertical columns on the periodic table
- The basic building blocks of all matter
- Definite shape and volume
- Two or more of the same or different elements combined
- It gets dissolved in another substance
23 Clues: It dissolves the solute • Definite shape and volume • No definite shape or volume • A definite volume but no fixed shape • Horizontal rows on the periodic table • Positively charged sub-atomic particle • Negatively charged sub-atomic particle • Vertical columns on the periodic table • Made of electrically charged particles • It gets dissolved in another substance • ...
Chemistry Crossword 2026-02-16
Across
- On the periodic table a horizontal row is called _____
- Represents the electron configuration
- Wine is an example of _____ Mixture
- ____ ____ is the specific volume of space where an electron is usually found
- Scientific chart
- Up and down on the periodic table
- Static electricity
- I am the smallest amount of energy that can be gained or lost. What am I?
- This energy is needed to remove an outer electron
- Replicates an object to be more scale convenient
Down
- Force attraction between 2 atoms
- Im a material that only has one type of atom. What am I?
- An arrangement of atoms within a unit of an element
- Semiconductor Element
- A process of one or more substances that turn into new substances.
- Representation that helps predict
- An atom would not be an element without this positively charged particle
- NaCl is an example of a _____
- Mass Weighted average of an element's isotopes
- I characterize how substances react and transform. What am I?
20 Clues: Scientific chart • Static electricity • Semiconductor Element • NaCl is an example of a _____ • Force attraction between 2 atoms • Representation that helps predict • Up and down on the periodic table • Wine is an example of _____ Mixture • Represents the electron configuration • Replicates an object to be more scale convenient • ...
Y9 Chemistry 2026-02-11
Across
- A vertical column in the periodic table.
- A neutral solution has a pH of _______.
- A reaction that releases energy to the surroundings.
- A positively charged subatomic particle.
- Method used to separate substances based on their solubility.
- Method used to separate two liquids based on their boiling points.
- The reaction between an acid and a base.
Down
- Two or more substances not chemically bonded.
- Group 7 elements are called ________.
- The centre of an atom.
- This is used to test pH by colour change.
- What is transferred during chemical reactions?
- Method used to separate an insoluble solid from a liquid.
- A substance made up of two or more elements chemically bonded together.
- A horizontal row in the periodic table.
- Reaction involving oxygen that releases energy.
- A reaction that takes in energy from the surroundings.
- Substances with a pH less than 7.
- A substance made up of only one type of atom.
- Group 0 elements are known as ______ gases.
20 Clues: The centre of an atom. • Substances with a pH less than 7. • Group 7 elements are called ________. • A neutral solution has a pH of _______. • A horizontal row in the periodic table. • A vertical column in the periodic table. • A positively charged subatomic particle. • The reaction between an acid and a base. • This is used to test pH by colour change. • ...
advanced chemistry 2026-02-26
Across
- Force that holds atoms together in a compound.
- Bond formed by sharing of electrons.
- Ability of atoms to bond with themselves.
- Positively charged particle found in the nucleus.
- Alkane with four carbon atoms.
- The simplest alkane (CH₄).
- Saturated hydrocarbons with only single bonds.
- Cyclic compounds that are not aromatic.
- Shows the actual number of atoms in a molecule.
- Compound made only of carbon and hydrogen.
- Region where electrons are found around the nucleus.
- Negatively charged subatomic particle.
- Neutral particle found in the nucleus.
- International system for naming chemical compounds.
- Aromatic hydrocarbon with a ring structure.
- Bond formed by transfer of electrons.
- Organic compounds that are not aromatic.
- Atom or group that replaces hydrogen in a chain.
Down
- Group obtained from an alkane by removing one hydrogen.
- Organic compounds with a terminal carbonyl group (–CHO).
- Describes the properties of an electron in an atom.
- Saturated hydrocarbon arranged in a ring.
- Compound mainly made of carbon bonded to other elements.
- Carbon chains that form closed rings.
- Organic compound formed from an acid and an alcohol.
- Atoms tend to have eight electrons in their outer shell.
- Having unequal sharing of electrons.
- Organic compound that contains the –OH functional group.
- Organic compound containing the –COOH group.
- Hydrocarbons that contain at least one C≡C triple bond.
- Hydrocarbons that contain at least one C=C double bond.
- Electron found in the outermost shell of an atom.
- Organic compound with an oxygen linking two carbon chains.
- Related to carbon-containing compounds.
- Organic compounds with a carbonyl group inside the chain.
35 Clues: The simplest alkane (CH₄). • Alkane with four carbon atoms. • Bond formed by sharing of electrons. • Having unequal sharing of electrons. • Carbon chains that form closed rings. • Bond formed by transfer of electrons. • Negatively charged subatomic particle. • Neutral particle found in the nucleus. • Cyclic compounds that are not aromatic. • ...
Thanksgiving Chemistry 2025-11-20
Across
- indefinite volume and indefinite shape
- fluorine, chlorine, bromine, iodine
- 1s2 2s2 2p6 3s2 3p5
- dihydrogen monoxide
- definite volume and indefinite shape
- cooked inside a turkey
- center of the atom
- smallest unit of matter
- definite volume and definite shape
- 11 protons
- measures temperature
- covalent compound
- region where electrons may be located
- atoms of the same element with different masses
- atom that has lost electron(s)
- solid product
- negatively charged subatomic particle
- amount of matter
- unit to measure distance
Down
- unit to measure mass
- measures liquid
- helium, neon, argon
- positively charged subatomic particle
- bond in which electrons are shared
- 6 protons
- opposite of metal
- subatomic particle with no charge
- measures mass
- atom that has gained electron(s)
- shape of an "s" orbital
- Thanksgiving weekday
- lithium, sodium, potassium
- Thanksgiving game
- [Ar] 4s2
- unit to measure volume
- side dish served at Thanksgiving
- Thanksgiving pie
- bond in which electrons are transferred
38 Clues: [Ar] 4s2 • 6 protons • 11 protons • measures mass • solid product • measures liquid • Thanksgiving pie • amount of matter • opposite of metal • Thanksgiving game • covalent compound • center of the atom • 1s2 2s2 2p6 3s2 3p5 • helium, neon, argon • dihydrogen monoxide • unit to measure mass • measures temperature • Thanksgiving weekday • cooked inside a turkey • unit to measure volume • ...
Chemistry Vocab 2026-01-05
Across
- Bond A chemical bond resulting from the attraction between oppositely charged ions
- bond a covalent bond in which two atoms share one pair of electrons
- ions ions formed from a single atom
- A positively charged ion
- Rule Hydrogen and Helium only want two electrons
- A charged atom
- Electrons Electrons on the outermost energy level of an atom
- the basic unit of a chemical element
- An ionic compound whose aqueous solution conducts an electric current
- A negatively charged ion
- bond A chemical bond formed when atoms share two pairs of electrons
- bond A chemical bond that involves sharing a pair of electrons between atoms in a molecule
- bond a bond formed by the attraction between positively charged metal ions and the electrons around them
Down
- State the condition of an atom expressed by the number of electrons that the atom needs to reach its elemental form
- structures diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.
- metal and nonmetal elements join together.
- formula gives the simplest whole number ratio of the ions which form an ionic compound
- compound a compound that is composed of molecules
- formula bonding at least two nonmetals and have an electromagnetically difference
- Bond The attractive force that holds atoms or ions together
- ion A charged group of covalently bonded atoms
- bond A chemical bond formed when atoms share three pairs of electrons
- A substance made up of atoms of two or more different elements joined by chemical bonds
- Rule States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons
24 Clues: A charged atom • A positively charged ion • A negatively charged ion • the basic unit of a chemical element • ions ions formed from a single atom • metal and nonmetal elements join together. • ion A charged group of covalently bonded atoms • Rule Hydrogen and Helium only want two electrons • compound a compound that is composed of molecules • ...
Chemistry Definitions 2026-01-06
Across
- Heat is equal on both sides
- the minimum energy needed to start a reaction
- Expressed by the variable (J), this unit is used to measure mechanical energy
- Solid to gas
- Heat (energy) is transferred from the surroundings to the system
- a unit of energy equal to the amount of energy needed to raise 1g of water to 1 degree Celsius
- a measurement of thermal energy
- energy stored in the atom's nucleus
- Energy can neither be created or destroyed
Down
- The energy in heat necessary to vaporize a liquid
- The amount of energy in heat necessary to raise 1g of a substance by 1 Kelvin
- Heat (energy) is transferred from the system to the surroundings
- energy caused by the random motion of atoms (heat)
- Everything outside of the system that exchanges energy with it
- The energy that occurs based on the object's location/position
- Multiple objects being studied
- The energy in heat necesssary to convert a solid to a liquid
- The energy of an object in motion
- The Science of heat or energy flow in a chemical reaction
- force applied over a distance
20 Clues: Solid to gas • Heat is equal on both sides • force applied over a distance • Multiple objects being studied • a measurement of thermal energy • The energy of an object in motion • energy stored in the atom's nucleus • Energy can neither be created or destroyed • the minimum energy needed to start a reaction • The energy in heat necessary to vaporize a liquid • ...
Basic chemistry 2025-11-07
Across
- mixture – non-uniform distribution of particles ex.
- elements or compounds; elements important for good health
- change -occurs whenever new substances with different
- salt, water, magnesium
- change – involve changing shape, physical state, size,
- ex. Milk has calcium and salt
- Compound - contain hydrogen and oxygen; all the sources
- – one kind of atom; food processing can strip some foods
- substance – is matter in which all the basic units are the same;
- – is the study of the makeup, structure, and properties of
- Bonds – Is formed when atoms share one or more pairs of
- Compound - are made up of minerals your body needs –
Down
- – are substances that are put together but not chemically
- soup
- it causes both atoms to have a charge
- and the changes that occur to them.
- mixture – uniform distribution of particles throughout
- Bonds – Electrons are transferred from one atom to another
- Tea or soft drinks
- energy in your diet – carbohydrates, fats, proteins
- without changing the chemical identity.
- and physical properties are formed.
- these vital elements – iron, calcium, potassium
23 Clues: soup • Tea or soft drinks • salt, water, magnesium • ex. Milk has calcium and salt • and the changes that occur to them. • and physical properties are formed. • it causes both atoms to have a charge • without changing the chemical identity. • these vital elements – iron, calcium, potassium • mixture – non-uniform distribution of particles ex. • ...
Chemistry crossword 2025-11-24
Across
- Metals make up the ______ of the periodic table.
- Are Shiny, brittle, and semi-conductive.
- ____-____ are the outermost electrons.
- Nonmetals become negative ions, which are called_____.
- Metalloids sit on the diagonal ______ between metals and nonmetals in the periodic table.
- Are malleable, conductive, ductile, solid, and have luster.
- Nonmetal accept(____) electrons.
- ____ are the most reactive nonmetals, posses 7 valence electrons, have a charge of -1, and have high electronegativity.
- Halogens belong to group ____.
- Nonmetals tend to gain ______ to form negative ions (anions).
- Transition metals belong to groups ____-____.
- Are Dull, poor conductors, brittle, and have low density.
- ____-____ are extremely soft silvery gray metals that posses 1 valence electron, have a charge of +1, & are the most reactive metals.
- The modern periodic table is organized in increasing _____-_____.
- Are Actinides grouped into a row or column?
Down
- How many elements are classified as Lanthanides? (Hint: they range from atomic number 57 to atomic number 71).
- ____-____ are Ductile & malleable, have multiple oxidation states(charges), & have different color compounds.
- ____-____ have full valence electron shells, are colorless, tasteless, odorless, and are essentially nonreactive; inert.
- Metals become positive ions, which are called _____.
- Are Alkaline earth metals more or less reactive than Alkali metals?
- ____-____-____ are relatively soft gray white metals, oxidize in air, posses a 2 valence electrons, & have a charge of +2.
- Alkali metals react with ____ water to make strong bases.
- Alkali metals belong Group ____.
- Noble gases belong to group ____.
- Alkaline earth metals belong group ____.
- Metals donate(____) electrons.
- The modern periodic table is also organized in _____&_____.
- Who is credited with designing the first periodic table?
- The ____-____-____ provides a way to visualize an atom's structure & potential to bond.
- _______ are also known as rare-earth metals, react violently with nonmetals, and have high melting & boiling points.
- _______ are ALL reactive electropositive metals.
31 Clues: Metals donate(____) electrons. • Halogens belong to group ____. • Alkali metals belong Group ____. • Nonmetal accept(____) electrons. • Noble gases belong to group ____. • ____-____ are the outermost electrons. • Are Shiny, brittle, and semi-conductive. • Alkaline earth metals belong group ____. • Are Actinides grouped into a row or column? • ...
Chemistry Crossword 2026-03-26
Across
- Molecular shape in a straight line
- Substance made of different elements chemically combined
- Positively charged particle in the nucleus
- gases Group of elements with low reactivity
- bond Bond formed by sharing electrons
- Element that conducts heat and electricity well
- Center of the atom containing protons and neutrons
- Molecule with even electron sharing
- State of matter with definite shape and volume
- State of matter with no definite shape or volume
- Negatively charged particle outside the nucleus
- Neutral particle in the nucleus
- Anything that has mass and takes up space
- bond Bond formed by transfer of electrons
- Ability of an atom to attract electrons
Down
- table Chart that organizes elements
- electrons Electrons in the outermost shell
- Two or more atoms bonded together
- Molecular shape with four electron groups
- Element with properties of both metals and nonmetals
- group Bond or lone pair around a central atom
- Substance made of only one type of atom
- pair Pair of electrons not involved in bonding
- Combination of two or more substances
- Molecular shape caused by lone pairs
- number Number of protons in an atom
- Solid changing directly into a gas
- Smallest unit of an element
- Molecule with uneven electron sharing
- State of matter that takes the shape of its container
30 Clues: Smallest unit of an element • Neutral particle in the nucleus • Two or more atoms bonded together • Molecular shape in a straight line • Solid changing directly into a gas • table Chart that organizes elements • Molecule with even electron sharing • number Number of protons in an atom • Molecular shape caused by lone pairs • bond Bond formed by sharing electrons • ...
Chemistry Vocab 2026-03-13
Across
- These Properties can be observed or measured without changing the composition of the matter. Examples include color, odor, density, malleability or viscosity.
- Located outside the nucleus of an atom with a negative charge.
- A pure substance. All the atoms of an element have the same number of protons, neutrons and electrons.
- The total mass of the products must be equal to the total mass of the reactants in a chemical reaction. Matter is neither created nor destroyed.
- Materials that react with each other in the beginning of a chemical reaction.
- New material formed during a chemical reaction. Appears to the right of the arrow.
- A bond formed when valence electrons of one atom are permanently transferred to another atom.
- These properties can only be observed during a chemical reaction and thus changes the element's chemical composition. Examples include reactivity, flammability and corrosion.
- A chemical bond formed when electrons are shared between two or more atoms.
Down
- Method of finding the density of irregularly shaped objects by displacing water in a container.
- Table Arrangement of the elements into rows and columns by increasing atomic number.
- A group of atoms bonded together. Can be element or a compound.
- The center of an atom containing the protons and neutrons.
- Regions surrounding the nucleus of an atom containing a certain number of electrons.
- Electrons in the outermost energy level of an atom.
- Anything that takes up space and has mass.
- The building blocks of matter. Made up of protons, neutrons and electrons.
- Physical property that tells you how tightly packed the molecules are in the object. Formula is d = m/v.
- Located in the nucleus of an atom with no charge (neutral).
- Located in the nucleus of an atom with a positive charge.
- A substance made up of two or more different chemical elements.
21 Clues: Anything that takes up space and has mass. • Electrons in the outermost energy level of an atom. • Located in the nucleus of an atom with a positive charge. • The center of an atom containing the protons and neutrons. • Located in the nucleus of an atom with no charge (neutral). • Located outside the nucleus of an atom with a negative charge. • ...
Chemistry ⚗️ 2026-04-07
Across
- Liquid changing into gas
- Substance with pH greater than 7
- Smallest unit of matter
- Positively charged particle in nucleus
- Negatively charged particle
- Space occupied by substance
- Substance that is dissolved
- Amount of matter in object
- Process where substances change into new ones
- Gas changing into liquid
- Product of acid and base reaction
- State of matter with fixed volume
Down
- Mass per unit volume
- Neutral particle in nucleus
- State of matter with no fixed shape
- Path of electrons around nucleus
- Two or more atoms bonded together
- Substance that dissolves solute
- Substance formed by chemical combination
- Pure substance made of one type of atom
- State of matter with fixed shape
- Force holding atoms together
- Capacity to do work
- Substance with pH less than 7
- Homogeneous mixture of substances
25 Clues: Capacity to do work • Mass per unit volume • Smallest unit of matter • Liquid changing into gas • Gas changing into liquid • Amount of matter in object • Neutral particle in nucleus • Negatively charged particle • Space occupied by substance • Substance that is dissolved • Force holding atoms together • Substance with pH less than 7 • Substance that dissolves solute • ...
Chemistry Review 2025-02-12
Across
- the smallest amount of an individual element you can have
- this property of a substance tells us whether it is a solid or liquid at room temperature
- during this type of change, the size and shape of something is changed
- these are subatomic particles found in the nucleus that have NO electrical charge
- the smallest amount of a compound is one
- during this type of change a completely new substance is formed
- the substances that go into a chemical reaction on the left side of a chemical equation
- this number tells us the number of protons plus the number of neutrons
- this property of a substance tells us whether it is a liquid or a gas at room temperature
- elements in the same group/family have similar chemical and physical
- a tool you can use to separate Iron from other substances
Down
- these are subatomic particles found outside the nucleus of an atom and has a negative charge
- what is produced in a chemical reaction and found on the right side of a chemical reaction
- Salt water is this type of mixture because it looks the same throughout
- pure individual substances which is the ingredients to everything in the universe
- this is the universal solvent because it is the base of almost every liquid solution
- salad is this type of mixture because you can see the individual parts
- these types of substances are good conductors of heat and electricity
- two or more different elements chemically combined
- a mixture of metals melted into each other
- in group eight we have a collection of very unreactive gases like Neon which we call the
- these are subatomic particles found inside the nucleus of an atom and have a positive charge
- this number on the P.T.O.E tells us the number of protons and electrons in an atom
23 Clues: the smallest amount of a compound is one • a mixture of metals melted into each other • two or more different elements chemically combined • the smallest amount of an individual element you can have • a tool you can use to separate Iron from other substances • during this type of change a completely new substance is formed • ...
Chemistry Vocabulary 2025-01-15
Across
- evenly mixed substances(same consistency)
- composed of more than one different elements
- contains two atoms
- no definite shape or volume
- solid to liquid
- composed of more than one same or different element
- smallest unit of matter
- study of matter and its changes
- energy of position (stored)
- educated guess
- solid to gas
- liquid to solid
- energy of motion
Down
- definite shape, definite volume
- liquid to gas
- composed of only one type of element or compound
- gas to solid
- substance made of only one type of atom
- unevenly mixed substances (different consistency)
- contains more than one substance not in a fixed ratio
- describes how and why something happens
- gas to liquid
- describes what happens
- has mass and takes up volume
- definite volume, no definite shape
25 Clues: gas to solid • solid to gas • liquid to gas • gas to liquid • educated guess • solid to liquid • liquid to solid • energy of motion • contains two atoms • describes what happens • smallest unit of matter • no definite shape or volume • energy of position (stored) • has mass and takes up volume • definite shape, definite volume • study of matter and its changes • ...
Chemistry laboratory 2025-02-15
Across
- – A cabinet where glass equipment like beakers and test tubes are kept.
- – A machine that gives electricity to lab equipment.
- – A long table in the lab where experiments are done.
- – A big table in the middle of the lab where students or scientists work.
- – The surface of a table where experiments are done.
- – A special station with water to clean your eyes if something dangerous gets in them.
- – A small cart with wheels used to carry lab equipment.
- – A cabinet where medicines and important lab chemicals are stored.
- – A chair used in the lab, often for sitting at a desk.
- – A machine that removes dangerous gases from the lab air.
Down
- – A shower used to wash off dangerous chemicals from the body.
- – A special cabinet for storing acids safely.
- – A cabinet for storing liquids that can dissolve other substances.
- – A desk in the lab used for writing or small tasks.
- – A sink in the lab for washing hands, equipment, and chemicals.
- – A special cabinet that removes dangerous gases and smells from experiments.
- – A tap that gives water in the lab.
- – Places where lab equipment and chemicals are kept safely.
- – A tall seat used for working at a lab bench.
- – A machine that moves air around to keep the lab fresh.
20 Clues: – A tap that gives water in the lab. • – A special cabinet for storing acids safely. • – A tall seat used for working at a lab bench. • – A machine that gives electricity to lab equipment. • – A desk in the lab used for writing or small tasks. • – The surface of a table where experiments are done. • – A long table in the lab where experiments are done. • ...
Chemistry Vocab 2024-11-27
Across
- The smallest units of chemical elements.
- Groups of atoms bonded together.
- A group of atoms responsible for a compound's properties.
- Small localized objects like atoms and molecules.
- Neutral subatomic particles in an atom's nucleus.
- Equipment used to produce a single open gas flame.
- Enclosed workstations designed to ventilate toxic fumes.
- Positively charged subatomic particles.
- A substance that increases hydrogen ion concentration.
- Pure substances consisting of only one type of atom.
- A material burned to produce energy.
- Characteristics of a substance.
- A strong acidic compound often used in labs.
- Tools used to grind and mix substances.
- Form of energy related to the movement of particles.
- A substance that reduces hydrogen ion concentration.
- A metal that readily reacts with other substances.
- Process that transforms one set of substances into another.
- The lightest and most abundant chemical element.
Down
- Devices for measuring liquid volumes precisely.
- Substances composed of two or more elements chemically bonded.
- Hydrocarbons with at least one double bond.
- Combinations of two or more substances not chemically bonded.
- Instruments used to measure temperature.
- Material composed of antiparticles of normal matter.
- A set used to build molecular structures.
- A chemical compound found in rocks and shells.
- Containers with narrow necks used to hold and heat liquids.
- A compound formed by the reaction of an acid and a base.
- Negatively charged subatomic particles.
- Apparatus used to hold or support laboratory equipment.
- A squeeze bottle used to rinse laboratory glassware.
- Shallow cylindrical lidded dishes used to culture cells.
- Scale used to specify acidity or basicity of a solution.
- Anything that occupies space and has mass.
- Relating to compounds containing carbon.
- Cylindrical containers used for mixing and heating liquids.
- A tool for guiding liquids or powders into containers.
- A device for holding objects tightly together.
- The capacity to do work or cause change.
- An atom or molecule with a net electric charge.
- Hydrocarbons with single bonds only.
- Chemical reaction that involves burning.
43 Clues: Characteristics of a substance. • Groups of atoms bonded together. • A material burned to produce energy. • Hydrocarbons with single bonds only. • Positively charged subatomic particles. • Negatively charged subatomic particles. • Tools used to grind and mix substances. • The smallest units of chemical elements. • Instruments used to measure temperature. • ...
Environmental Chemistry 2024-12-04
Across
- nutrients needed in large amounts by an organisms
- the "Potential of Hydrogen" or the scale that rates how acidic a substance is
- substance with a bitter taste, turns litmus paper blue, pH of more than 7
- inorganic molecules that are used to help enzymes function
- Human made pollutant, used as propellants in aerosol cans, persistent pollutant that destroys ozone layer
- organic molecule in which energy is stored and includes fats, oil, and waxes
- increase in a contaminant's concentration at each level of the food chain
- increase in a contaminant's concentration in an individual organism
- substances with a pH of 7
- a chemical used to kill unwanted plants
- organic molecule made up of amino acids and are the building blocks of body tissue, they help repair tissue and build muscle
Down
- dense metal or metalloid that can cause environmental concern
- organisms that can infer the health of an ecosystem
- Prevents UV rays from reaching Earth's surface
- a chemical used to kill unwanted pests, example is DDT
- organic sugar molecule that provides energy for organisms
- a substance used to enrich soil by providing nutrients that are missing (main sources nitrogen & phosphorus)
- nutrients needed in small amounts by an organism
- any alteration of the environment producing a condition that is harmful to living things
- a substance with a sour taste, turns litmus paper red, has a pH value of less than 7
- chemical used to kill unwanted insects
- elements and compounds that organisms need for living, growing and reproducing
- dichlorodiphenyltrichloroethane - used to kill unwanted insects such as lice during WWII, used to kill mosquitoes to stop the spread of malaria
23 Clues: substances with a pH of 7 • chemical used to kill unwanted insects • a chemical used to kill unwanted plants • Prevents UV rays from reaching Earth's surface • nutrients needed in small amounts by an organism • nutrients needed in large amounts by an organisms • organisms that can infer the health of an ecosystem • a chemical used to kill unwanted pests, example is DDT • ...
Nuclear Chemistry 2024-12-05
Across
- the beta particle comes from this
- when an element changes into another element
- particle with a negative charge
- a positive beta particle
- an isotope that is unhappy
- elements of an atom with a different mass
- where protons and neutrons can be found
- this can be found in an orbital
- particle with a mass of 4 amu
- a reaction that release energy
- anything that has mass and takes up space
Down
- a mixture with a uniform mix
- a beta positive
- this defines the element. The atomic _____
- an unstable isotope lets out
- weight
- Stored energy
- Point 100 degrees
- the study of matter
- The nucleus has a _____ charge
- no mass and no charge
21 Clues: weight • Stored energy • a beta positive • Point 100 degrees • the study of matter • no mass and no charge • a positive beta particle • an isotope that is unhappy • a mixture with a uniform mix • an unstable isotope lets out • particle with a mass of 4 amu • The nucleus has a _____ charge • a reaction that release energy • particle with a negative charge • this can be found in an orbital • ...
Nuclear Chemistry 2024-11-15
Across
- A nuclear reaction where the fission process rapidly continues without any control, causing a large amount of energy to be released almost instantaneously.
- The reaction in which small nuclei are forced together by extreme heat and pressure to form a larger nuclei.
- A type of radioactive decay that releases a beta particle.
- The radioactive material that falls to Earth after a nuclear explosion.
- A nuclear reaction where the rate of fission is carefully managed, allowing for a sustained release of energy at a controlled level.
- The type of radioactive decay that releases energy from an excited nucleus in order to change its energy state.
- The spontaneous nuclear transformation of an atom.
- The most common fuel used in nuclear reactors.
- The emission of particles or electromagnetic waves from an unstable nucleus.
- A device used to detect radiation by measuring the ionization it produces in a gas.
- The type of radioactive decay that changes a neutron into a proton and releases an electron and increases the atomic number of the atom by one.
Down
- A fundamental particle of electromagnetic radiation and light.
- The SI unit for radiation.
- The product of a reaction is used to start another reaction.
- The reaction where a large unstable nucleus is struck by a neutron and splits into smaller nuclei.
- A process in which the structure of an atomic nucleus is altered through release of energy or mass or by being broken apart.
- The type of Radioactive decay that changes a proton into a neutron and releases a positron and decreases the atomic number of the atom by one.
- An electron or Positron
- A type of radioactive decay that releases an Alpha particle.
- A device used to initiate and control a fission nuclear chain reaction.
- The use of sustained nuclear fission to generate light and heat.
- A particle that is released during radioactive decay that consists of two protons and two neutrons (Helium Nucleus)
- A high-energy photon
- a byproduct of nuclear reactors, fuel processing plants, hospitals, and research facilities.
- The site of the worst nuclear disaster in history.
25 Clues: A high-energy photon • An electron or Positron • The SI unit for radiation. • The most common fuel used in nuclear reactors. • The spontaneous nuclear transformation of an atom. • The site of the worst nuclear disaster in history. • A type of radioactive decay that releases a beta particle. • The product of a reaction is used to start another reaction. • ...
Chemistry Basics 2024-11-22
Across
- change that doesn't create any new chemicals
- the atom with electron configuration 2,6
- has no charge
- this atom has 7 protons
- change that creates new chemicals
- the materials produced by a chemical reaction
- the rule that determines how many electrons fill the outermost shell of an atom
- negative part of the atom
- this atom has an atomic mass of 7
- atoms found on the right of the periodic table
- metals ______ electrons
- centre of the atom
Down
- the number that tells how many protons and neutrons are in the nucleus
- name for electrons found in the outermost shell
- an atom that has an overall charge
- has atomic number 79
- nonmetals _______ electrons
- a vertical column on the periodic table
- name for a negative ion
- makes up all matter
- the number that tells how many protons an atom has
- positive subatomic particle
- a row on the periodic table
- name for a positive ion
- number of electrons that fit in the first shell
- the materials used up in a chemical reaction
- number of electrons that fit in the second electron shell
- types of atoms found on the left of the periodic table
28 Clues: has no charge • centre of the atom • makes up all matter • has atomic number 79 • name for a negative ion • this atom has 7 protons • name for a positive ion • metals ______ electrons • negative part of the atom • nonmetals _______ electrons • positive subatomic particle • a row on the periodic table • change that creates new chemicals • this atom has an atomic mass of 7 • ...
Chemistry Crossword 2024-12-20
Across
- change where atoms are rearranged to form new substances
- name of group 18 elements with full valence shells
- attraction an element has for electrons
- have no charge, located in the nucleus
- covalent bond with an equal sharing of electrons
- type of decay that emits a particle with the largest mass
- nuclear energy produced when One larger nuclei splits into 2 smalle
- Compound made when a metal transfers electrons to a nonmetal
- when bonds are ________, energy is absorbed
- Charge of a metal ion
- 2 atoms with the same number of protons, but different number of neutrons
- covalent bond with an unequal sharing of electrons
Down
- amount of time it takes for half a radioisotope to decay
- electrons in the outer shell of an atom
- nuclear energy produced when 2 smaller nuclei combine to make a bigger one
- Compound made when two Nonmetals share electrons
- Charge of a nonmetal ion
- state when one electron jumps from an inner to an outer shell
- atomic number is the number of _________ in an atom
- protons + neutrons
- when an atom gains or loses electrons it forms a _____
- two or more atoms chemically combined in a fixed proportion
22 Clues: protons + neutrons • Charge of a metal ion • Charge of a nonmetal ion • have no charge, located in the nucleus • electrons in the outer shell of an atom • attraction an element has for electrons • when bonds are ________, energy is absorbed • Compound made when two Nonmetals share electrons • covalent bond with an equal sharing of electrons • ...
general chemistry 2025-03-05
Across
- solids has discrete covalently bonded molecules at each of its latrice points.
- exist between polar molecules.
- have a boiling point of 78.3"C and a molar heat vaporization of 39.3 KJ/mol.
- dipole exist between an ion and a polar molecule
- is three dimensional system of points designating the positions of the components that makes up crystal
- is the most common technique used to separate mixtures into pure components.
- have a molar heat vaporization of 26 KJ/mol
- the resistance of a liquid to flow.
- has definite shape
- energy dependent on the temperature of the substance
- property of a liquid to resist an external force.
- SOLIDS: have a highly regular arrangement of particles
- solids have ions at different points of the latrice
- have a boiling point of 100°C
- polar molecules have zero dipole moment
- have a more defined hexagonal arrangement than water.
- molecular model explains the properties of solids and liquids in terms of the intermolecular forces of attraction and the kinetic energy of the individual particles
Down
- exist only in molecules that contains hydrogen atom bonded to a small, highly electronegative atom.
- have a molar heat vaporization of 9.2KJ/mol.
- point is the temperature at which its vapor pressure is equal to the external or atmospheric pressure
- Boiling Point the temperature at which a liquid boils under an atmospheric pressure of 760mm Hg
- solids have considerable disorder in their structure
- molecule has a bent shape vith two partially positive hydrogen atoms and a partially negative oxygen atom
- have definite shape but no definite volume
- means that the phase change from phase A and Phase B occurs at the same rate as the phase change from phase B to phase A.
- molecules each of them has unequal electron densities
- Force attractive forces between neighboring particles
- pressure the pressure exerted by its vapor when in equilibrium with its liquid
- dipole also called temporary dipole,
- have a boiling point of--186. O°C.
30 Clues: has definite shape • have a boiling point of 100°C • exist between polar molecules. • have a boiling point of--186. O°C. • the resistance of a liquid to flow. • dipole also called temporary dipole, • polar molecules have zero dipole moment • have definite shape but no definite volume • have a molar heat vaporization of 26 KJ/mol • have a molar heat vaporization of 9.2KJ/mol. • ...
