chemistry Crossword Puzzles
Chemistry ch3 2025-10-08
Across
- Student of thompson, Used Alpha beam (+) discovered the nucleus and the proton.
- used different wavelengths of lightwaves to discover the presence of neutrons & electrons travel Specific distances from the nucleus
- the sum of the masses of the protons neutrons and electrons
- Law of ____ proportions- When 2 or more combinations of the same elements are possible, they still form Whole number ratios. (the smaller the ratio is the more double bonds there are)
- Crookes - invented the cathode ray tube. (the cathode ray tube was a technology used to discover the parts of an atom.)
- measurement from crest to trough Controls Color & visibility
- the number of protons in the atom
- Cathode ray bent when exposed to a negative charge. He discovered the election theorized that must have positive charge holding it together. Plum pudding model
- neutral particle in the nucleus
- electrons the outer shell electrons that are involved with chemical reactions
- he developed a model discovered that electrons can Change orbitals. (He discovered that when energy is put into an atom he would see sparks.
Down
- negative particle in or it around the nucleus
- presents s as both a wave and a particle.
- Matter is made of pieces so tiny they cannot be cut into smaller pieces.
- has the same mass as a proton +1amu)
- barely have any mass ( .0018 amu)
- particles are the particles that make up an atom
- cloud the place in the atom where we can expect to find an electron
- unit that is = to the mass of 1 proton
- how close the crests are or how many Crest per distance
- lor more electrons from I atom to the other the atoms are now Charged & stick to each other ion-any charged atom
- is the wave length center to crest of trough
- positive particle in the nucleus
- 4 point atomic theory (17005)
- state-lowest energy level that is open/available
25 Clues: 4 point atomic theory (17005) • neutral particle in the nucleus • positive particle in the nucleus • barely have any mass ( .0018 amu) • the number of protons in the atom • has the same mass as a proton +1amu) • unit that is = to the mass of 1 proton • presents s as both a wave and a particle. • is the wave length center to crest of trough • ...
Chemistry #1 2025-07-06
Across
- if an atom has five protons, then the identity of the atom is the element ________
- If a hydrogen atom has one neutron, how many "u" does the atom have?
- mass is the amount of "______" in an object
- In order to find the amount of "u" that an atom has, you _____ up the number of protons and number of electrons
- a pure substance that can't be chemically broken into smaller parts
- if an atom has three protons, then the identity of the atom is the element ________
- In order for an atom to be neutral, it must have an ______ amount of protons and electrons
- atoms that have the same amount of protons but different amounts of neutrons
- In the ______ foil experiment, particles were shot at a strip of foil
- particles that are smaller than an atom are called ___atomic particles
- How many neutrons does Oxygen-17 have?
- the gold foil experiment showed that most of an atom is composed of ______ space
- your sister's name
- How many neutrons does Lithium-7 have?
- How many neutrons does Carbon-12 have?
- if an atom has eleven protons, then the identity of the atom is the element ________
- How many neutrons does Oxygen-18 have?
Down
- a proton has a charge of ______ one
- when it comes to electrical charge, opposites ______
- How many protons does an oxygen atom have?
- protons and neutrons are found in the _______ of an atom
- the identity of an atom is determined by its number of ______
- Your birthday is in the month of _______ (I think)
- the gold foil experiment showed that most of an atom's _____ is in the nucleus
- the smallest unit of an element that can still be identified as that element
- In order for a lithium atom to be neutral, it must have _____ electrons
- subatomic particles that are NOT found in the nucleus
- an electron as a charge of ______ one
- Next year, you will be a _______ in high school
- Does a neutron have a charge?
30 Clues: your sister's name • Does a neutron have a charge? • a proton has a charge of ______ one • an electron as a charge of ______ one • How many neutrons does Oxygen-17 have? • How many neutrons does Lithium-7 have? • How many neutrons does Carbon-12 have? • How many neutrons does Oxygen-18 have? • How many protons does an oxygen atom have? • ...
Chemistry Vocab 2025-08-29
Across
- takes the shape of its container (indefinite shape)
- Made of 2 or more atoms
- an element
- Periodic Table of...
- Usually observed or measured
- takes up space and has mass
- can be in any phase
- a compund
Down
- related to the behaviors of substances
- Ratio of objects' mass to volume
- Physical blending of 2 or more pure substances
- branch of science that deals with the properties, composition, and structure of elements and compounds
- made of 2 or more elements
- a type of pure matter with a consistent, uniform composition and unique properties
- has distinct phases
- Amount of 3D space a substance takes up
- "Stuff"
- can fill any volume (indefinite volume)
- glass container used for holding, heating, mixing, and transferring liquids
- not compressible (definite volume)
- Building Blocks
21 Clues: "Stuff" • a compund • an element • Building Blocks • has distinct phases • can be in any phase • Periodic Table of... • Made of 2 or more atoms • made of 2 or more elements • takes up space and has mass • Usually observed or measured • Ratio of objects' mass to volume • not compressible (definite volume) • related to the behaviors of substances • Amount of 3D space a substance takes up • ...
Chemistry Panel 2025-10-03
Across
- If ALP >>> GGT, ___ disease is likely.
- An increase in this enzyme is indicative of renal disease
- This is used to measure USG.
- It is important to look at how ___ the reference interval is in determining how significant a change is.
- ___ is a definition of increased BUN (and possibly creatinine also).
- The best indicator for cholestasis
- Is an enzyme indicative of cholestasis
- This is the process of breaking down glycogen in the liver.
- ___ stimulates glucose to be taken up by tissues to use for energy to carry out their normal processes.
Down
- A more accurate measurement of glomerular filtration
- A ____ consists of a serum chemistry, urinalysis, and complete blood count
- ___ azotemia is characterized by elevated BUN and creatinine with variable USG.
- This is the synthesis of glucose from amino acids or fats.
- ___ azotemia is characterized by increased BUN with normal creatinine and appropriate urine concentration.
- A ___ value comes from two standard deviations above and below the mean = 95% of tested animals.
- ____ azotemia is characterized by elevated BUN and creatinine with poorly concentrated urine.
- Is an enzyme indicative of hepatocyte damage
- ___ can be used to further characterize azotemia into pre-renal, renal, and post-renal.
- Small elevations in ALP are more significant in this species
- If GGT >>> ALT, ____ tract disease is likely.
20 Clues: This is used to measure USG. • The best indicator for cholestasis • If ALP >>> GGT, ___ disease is likely. • Is an enzyme indicative of cholestasis • Is an enzyme indicative of hepatocyte damage • If GGT >>> ALT, ____ tract disease is likely. • A more accurate measurement of glomerular filtration • An increase in this enzyme is indicative of renal disease • ...
Chemistry Molecules 2025-10-15
Across
- the smallest unit of matter that still has the properties of an element
- describes a bond or molecule where electrons are shared unequally, creating partial charges
- the ability to do work or cause change, often involved in making or breaking bonds
- an atom or group of atoms that has gained or lost electrons and has a charge
- a substance formed as a result of a chemical reaction
- a measure of how strongly an atom attracts electrons in a bond
- a type of bond formed when one atom transfers electrons to another
- the arrangement of atoms in a molecule, including bond angles and shape
- a type of bond formed when two atoms share electrons
- a force that holds atoms together in a molecule or compound
- a type of bond found in metals where atoms share a sea of electrons
Down
- describes a bond or molecule where electrons are shared equally between atoms
- a type of reaction where one element takes the place of another in a compound
- a chemical reaction where one compound breaks down into simpler substances
- a process where substances change into new substances with different properties
- a chemical reaction in which a substance reacts with oxygen and releases energy as heat and light
- a chemical reaction where two or more substances combine to form one product
- a substance made of two or more different elements chemically combined
- a starting material that takes part in a chemical reaction
- two or more atoms bonded together that act as a single unit
- the number of electrons an atom can share, lose, or gain when bonding
- the process by which atoms are joined together to form compounds
22 Clues: a type of bond formed when two atoms share electrons • a substance formed as a result of a chemical reaction • a starting material that takes part in a chemical reaction • two or more atoms bonded together that act as a single unit • a force that holds atoms together in a molecule or compound • a measure of how strongly an atom attracts electrons in a bond • ...
Chemistry vocabulary 2025-09-08
Across
- Two or more atoms chemically bonded together; it’s the smallest unit of a compound that still has the compound’s properties.
- A substance that reduces hydrogen ion concentration or produces hydroxide ions (OH⁻) in water; proton acceptor; pH greater than 7.
- Atoms of the same element (same protons) that have different numbers of neutrons, and thus different masses.
- A measure of how acidic or basic a solution is, based on the concentration of hydrogen ions; ranges from 0 (very acidic) to 14 (very basic).
- A process where substances (reactants) are transformed into new substances (products) by breaking and forming chemical bonds.
- A physical combination of two or more substances that are not chemically bonded and can often be separated (e.g., sand and iron filings).
- A pure substance made of only one kind of atom, defined by its number of protons (atomic number).
- A neutral subatomic particle in the nucleus that contributes to an atom’s mass and to nuclear stability.
- A substance formed when atoms of different elements are chemically bonded in fixed ratios (e.g., H₂O, CO₂).
- A substance that speeds up a chemical reaction by lowering the activation energy, without being consumed.
Down
- A uniform mixture where one substance (solute) is completely dissolved in another (solvent), such as salt water.
- The combining capacity of an atom, determined by the number of electrons it can lose, gain, or share in bonding.
- A negatively charged subatomic particle that occupies regions around the nucleus and is key to chemical bonding.
- A positively charged subatomic particle in the nucleus; its number determines the element’s identity.
- Arranged in recurring patterns; the periodic table organizes elements so that properties repeat at regular intervals with atomic number.
- An atom or molecule with a net electrical charge because it has lost or gained electrons.
- A connection between atoms in a molecule, formed when they share or transfer electrons.
- The capacity to do work or produce change; in chemistry, often involved as heat, light, or stored in chemical bonds.
- A substance that increases the concentration of hydrogen ions (H⁺) in water; proton donor; pH less than 7.
- The smallest unit of an element that retains that element’s chemical properties; made of a nucleus (protons and neutrons) and electrons.
20 Clues: A connection between atoms in a molecule, formed when they share or transfer electrons. • An atom or molecule with a net electrical charge because it has lost or gained electrons. • A pure substance made of only one kind of atom, defined by its number of protons (atomic number). • ...
Cryptic Chemistry 2025-09-03
Across
- A group of elements too reactive to hang out
- This reaction is hot stuff
- How many protons are in the club?
- What you do to a sick chemist?
- Moving things along but not getting involved
- This gas could make you moan in pain
- Lightweight metal spelled different in the US
- Perfectly neutral
- In a spaced out state
Down
- Orderly Desk
- Share nicely
- Quizzing cylinder
- Toil and trouble but no magic here
- Don't melt the messenger
- Feeling positive
- Citric and acetic to name a few
- They're essential. SO Am I?
- Policeman involved in plumbing
- Heavy dogs leash
- Disordered Moat
20 Clues: Orderly Desk • Share nicely • Disordered Moat • Feeling positive • Heavy dogs leash • Quizzing cylinder • Perfectly neutral • In a spaced out state • Don't melt the messenger • This reaction is hot stuff • They're essential. SO Am I? • What you do to a sick chemist? • Policeman involved in plumbing • Citric and acetic to name a few • How many protons are in the club? • ...
Chemistry Bonus 2026-04-27
Across
- diffusion through a tiny opening
- point where titration changes colors
- transition of a substance from gas to solid
- procedure where a concentration of a solution is determined by comparing it to a solution of a known concentration
- enthalpy change for a reaction carried out in multiple steps is equal to the sum of the enthalpy changes for each individual step
- substance that increases the concentration of hydrogen ions in an aqueous solution
- substance that increases the concentration of hydroxide ions in an aqueous solution
- characteristic that can be observed or measured without changing the sample's composition
- ability of a substance to combine with or change into one or more other substances
- one element trades places with another element
- species produced when a base accepts a hydrogen ion from an acid
Down
- random movement of gas molecules from an area of higher concentration to an area of lower concentration
- one reactant forms several porducts
- transition of a substance from solid to gas
- species that results when an acid donates a hydrogen ion to a base
- point at which moles of H3O+ ion from the acid equal the moles of OH- from the base
- temperature and pressure at which the solid, liquid, and gas forms of a substance coexist
- device used to measure the energy absorbed or released as heat in a chemical reaction
- several reactants form one product
- two elements trade places
20 Clues: two elements trade places • diffusion through a tiny opening • several reactants form one product • one reactant forms several porducts • point where titration changes colors • transition of a substance from solid to gas • transition of a substance from gas to solid • one element trades places with another element • ...
Chemistry Crossword 2026-05-12
Across
- If 𝚫G > 0, the reaction is spontaneous in the _____ direction
- An electron-deficient chemical species in organic reactions
- What the first "A" in CuAAC stands for
- A chemical substance, in Bronsted-Lowry Acid-Base Theory, that can both accept and donate protons
- An electron-rich chemical species in organic reactions
- The common name of 2-hydroxypropane-1,2,3-tricarboxylic acid
- Polar molecules typically have a net _____ moment
- This type of forces exists between nonpolar molecules
- The _____ cell is an electrochemical device that converts chemical energy from spontaneous redox reactions into electrical energy
Down
- You would expect the compound HBrC=CHBr to exhibit _____ isomerism
- This organic acid has two cis-trans isomers which are maleic acid and fumaric acid
- Alkanes undergo _____ substitution with halogens
- Another name for isopropyl alcohol
- The salt formed between this and sodium is a very strong base
- The intermediary halide formed during the elimination reactions of alkynes
- A _____ mixture contains an equal amount of both optical isomers of a chemical species
- Aluminum chloride is a _____ acid
- The common name of 2-hydroxypropanoic acid
- What the last "C" in CuAAC stands for
- 𝚫G = 0 is also known as chemical _____
20 Clues: Aluminum chloride is a _____ acid • Another name for isopropyl alcohol • What the last "C" in CuAAC stands for • What the first "A" in CuAAC stands for • 𝚫G = 0 is also known as chemical _____ • The common name of 2-hydroxypropanoic acid • Alkanes undergo _____ substitution with halogens • Polar molecules typically have a net _____ moment • ...
Chemistry Crossword 2026-04-28
Across
- State of matter where particles have free flow,so it has definite volume, but no shape
- When an acid DONATES a hydrogen ion to a base
- pH substance of 7 or higher,slippery to touch,tastes bitter, and turns litmus paper blue
- State of matter where particles have no defined shape or volume
- Donates ONE proton per molecule, such as HCL
- Material that changes color in contrast to acidity, thus be used to measure acidity
- Logarithmic scale to specify the acidity or basicity of aqueous solutions
- Chemical reaction between acid and base which produces a more neutral solution
- Energy in motion
- Energy due to position,composition, or arrangement
Down
- One chemical substance is transformed into one or more different substances
- Change in state of matter of a sample
- Technique where a solution of a known concentration is used to determine the concentration of an unknown solution
- State of matter where atoms are closely packed; constant volume and shape
- Chemical reaction that releases energy from the chemicals into surroundings
- Changing the way a particular substance looks without affecting its chemical identity
- Chemical substance that neutralizes alkali,dissolves some metals, and turns litmus paper red
- When a base ACCEPTS a hydrogen ion from an acid
- Donates MORE THAN ONE proton per molecule
- Chemical reaction that absorbs heat from its surroundings
20 Clues: Energy in motion • Change in state of matter of a sample • Donates MORE THAN ONE proton per molecule • Donates ONE proton per molecule, such as HCL • When an acid DONATES a hydrogen ion to a base • When a base ACCEPTS a hydrogen ion from an acid • Energy due to position,composition, or arrangement • Chemical reaction that absorbs heat from its surroundings • ...
Chemistry Review 2026-04-28
Across
- A change in matter in which new materials with new chemical and physical properties are formed.
- The total pressure in a gas mixture is equal to the sum of the partial pressures of the individual gases.
- A substance that increases the concentration of hydroxide ions in an aqueous solution.
- A change that alters a substance without changing its composition.
- One element trades places with another element.
- One reactant forms several products.
- The pressure of a given mass of gas is directly proportional with the Kelvin temperature when volume is held constant.
- The species produced when a base accepts a hydrogen ion from an acid.
Down
- Two elements trade places with one another.
- The process of determining the concentration of an unknown acid or base.
- The species that results when an acid donates a hydrogen ion to a base.
- The rate of effusion for a gas is inversely proportional to the square root of its molar mass.
- A compound/element that combines with oxygen to form oxide and sometimes water.
- The volume of a gas is inversely proportional to the pressure if temperature is held constant.
- A PH level between 7 and 14.
- Several reactants make one product.
- A PH level between 0 and 7.
- The volume of a gas at constant pressure is directly proportional to the Kelvin temperature.
- A PH level of 7.
- A substance that increases the concentration of hydrogen ions in an aqueous solution.
20 Clues: A PH level of 7. • A PH level between 0 and 7. • A PH level between 7 and 14. • Several reactants make one product. • One reactant forms several products. • Two elements trade places with one another. • One element trades places with another element. • A change that alters a substance without changing its composition. • ...
Chemistry Bonus 2026-04-28
Across
- horizontal rows on the periodic table
- movement of gas molecules from high to low concentration
- boiling point of water at sea level
- pressure exerted on surface by weight of gases in Earth atmosphere
- device measuring heat absorption or release in chemical reaction
- minimum amount of energy applied to initiate chemical reaction
- process to figure out the concentration of an unknown substance
- speeds up chemical reaction without going under one itself
- total amount of energy
- has one valence electron
Down
- the point when substance exist at a solid, liquid, and a gas
- One element swaps places with another element
- solid changing directly into a gas
- this reaction ends in a salt and water
- Evidence a chemical reaction has occurred
- what law is an example of a can exploding from heat?
- this law states that volume of gas is inversely proportional to pressure
- 273.15K is the standard in Gas Laws
- double displacement reactions produce ionic compounds that are…
- All gases have the same … energy
20 Clues: total amount of energy • has one valence electron • All gases have the same … energy • solid changing directly into a gas • boiling point of water at sea level • 273.15K is the standard in Gas Laws • horizontal rows on the periodic table • this reaction ends in a salt and water • Evidence a chemical reaction has occurred • One element swaps places with another element • ...
Chemistry Bonus 2026-04-28
Across
- A measure of how acidic or basic a substance or solution is
- A horizontal row of the periodic table
- A process that leads to the chemical transformation of one set of chemical substances to another
- A combination of two or more substances
- A cylindrical container with a flat bottom
- A unit of concentration defined as the number of moles of solute divided by the total liters of solution
- Unit for the amount of a substance, representing a specific quantity of particles (atoms, molecules, or ions)
- The study of the relationships between the amounts of reactants used and products formed in a chemical reaction
- A particle consisting of a charge of negative electricity
- The smallest particle of a substance that has all of the physical and chemical properties of that substance
Down
- The species formed from chemical reactions
- A chemical process where an acid and a base react to form water and a salt
- A negatively charged ion formed when a non-metal atom gains one or more electrons, giving it more electrons than protons
- A substance that donates hydrogen ions in a solution, typically having a pH of less than 7
- The slow addition of one solution of a known concentration to an unknown concentration to discover what it is
- A substance that accepts hydrogen ions or donates hydroxide ions, typically having a pH greater than 7
- A chemical reaction that releases energy into its surroundings, typically in the form of heat or light, resulting in an increase in surrounding temperature
- Anything that occupies space and has mass
- An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
- A positively charged ion formed when an atom or molecule loses one or more electrons
20 Clues: A horizontal row of the periodic table • A combination of two or more substances • Anything that occupies space and has mass • The species formed from chemical reactions • A cylindrical container with a flat bottom • A particle consisting of a charge of negative electricity • A measure of how acidic or basic a substance or solution is • ...
CHEMISTRY CROSSWORD 2026-06-06
Across
- To become dispersed throughout a solvent
- A homogeneous mixture where one substance is dissolved in another
- A solid that forms from a solution during a chemical reaction
- A reaction where one element replaces another in a compound
- A slow chemical process that eats away metal surfaces
- A representation of a chemical reaction using symbols and formulas
- The starting substances in a chemical reaction
- A chemical equation where the number of atoms of each element is the same on both sides
- The process where an element loses electrons
- A form of energy often involved in chemical reactions
- A reaction that absorbs heat
Down
- A reaction that releases heat
- The process where an element gains electrons
- The substance formed after a chemical reaction
- A chemical process involving rapid oxidation, often with fire
- A reaction where two compounds exchange ions
- A substance that speeds up a chemical reaction
- A change in which substances are transformed into new substances
- A process where plants convert light energy into chemical energy
- The substance that dissolves another substance in a solution
20 Clues: A reaction that absorbs heat • A reaction that releases heat • To become dispersed throughout a solvent • The process where an element gains electrons • A reaction where two compounds exchange ions • The process where an element loses electrons • The substance formed after a chemical reaction • A substance that speeds up a chemical reaction • ...
CHEMISTRY CROSSWORD 2026-06-06
Across
- To become dispersed throughout a solvent
- A homogeneous mixture where one substance is dissolved in another
- A solid that forms from a solution during a chemical reaction
- A reaction where one element replaces another in a compound
- A slow chemical process that eats away metal surfaces
- A representation of a chemical reaction using symbols and formulas
- The starting substances in a chemical reaction
- A chemical equation where the number of atoms of each element is the same on both sides
- The process where an element loses electrons
- A form of energy often involved in chemical reactions
- A reaction that absorbs heat
Down
- A reaction that releases heat
- The process where an element gains electrons
- The substance formed after a chemical reaction
- A chemical process involving rapid oxidation, often with fire
- A reaction where two compounds exchange ions
- A substance that speeds up a chemical reaction
- A change in which substances are transformed into new substances
- A process where plants convert light energy into chemical energy
- The substance that dissolves another substance in a solution
20 Clues: A reaction that absorbs heat • A reaction that releases heat • To become dispersed throughout a solvent • The process where an element gains electrons • A reaction where two compounds exchange ions • The process where an element loses electrons • The substance formed after a chemical reaction • A substance that speeds up a chemical reaction • ...
Chemistry crossword 2026-07-16
Across
- A substance that speeds up a reaction without being used up.
- A horizontal row in the periodic table.
- The force that holds atoms together.
- A pure substance made of only one type of atom.
- A substance made from two or more elements chemically joined.
- Two or more atoms bonded together.
- Two or more substances that are not chemically joined.
- A soluble base with a pH above 7.
- A particle in the nucleus with no charge.
- The type of table that organises all the elements.
- The centre of an atom containing protons and neutrons.
- A vertical column in the periodic table.
- A positively charged particle found in the nucleus.
- A good conductor of heat and electricity.
- A charged particle formed when an atom gains or loses electrons.
Down
- A type of bonding where atoms share electrons.
- A substance with a pH below 7.
- Atoms of the same element with different numbers of neutrons.
- A negatively charged particle that moves around the nucleus.
- An element that is usually a poor conductor of electricity.
- The smallest particle of an element.
- A process in which new substances are formed.
- A type of bonding formed by the transfer of electrons.
- A substance with a pH of exactly 7.
- The mass of a substance per unit volume.
25 Clues: A substance with a pH below 7. • A soluble base with a pH above 7. • Two or more atoms bonded together. • A substance with a pH of exactly 7. • The force that holds atoms together. • The smallest particle of an element. • A horizontal row in the periodic table. • The mass of a substance per unit volume. • A vertical column in the periodic table. • ...
Basic Chemistry 2026-07-06
Across
- class of nonpolar organic compounds built from hydrocarbons and distinguished by the fact that they are not soluble in water
- one of the variations of an element in which the number of neutrons differ from each other
- monomer of carbohydrate; also known as a simple sugar
- atom with a positive charge
- number of particles within a given space
- pair of carbohydrate monomers bonded by dehydration synthesis via a glycosidic bond
- compound that accepts hydrogen ions (H+) in solution
- atom with an overall positive or negative charge
- substance composed of two or more different elements joined by chemical bonds
- compound that releases hydrogen ions (H+) in solution
- solution containing a weak acid or a weak base that opposes wide fluctuations in the pH of body fluids
- substance that contains both carbon and hydrogen
- compound consisting of more than two carbohydrate monomers bonded by dehydration synthesis via glycosidic bonds
- lipid compound composed of a glycerol molecule bonded with three fatty acid chains
- heavy subatomic particle having no electrical charge and found in the atom’s nucleus
- atom with a negative charge
- smallest unit of an element that retains the unique properties of that element
- substance that does not contain both carbon and hydrogen
- class of organic compounds that are composed of many amino acids linked together by peptide bonds
- acid deoxyribose-containing nucleotide that stores genetic information(DNA)
- liquid mixture in which the solute particles consist of clumps of molecules large enough to scatter light
- substance that cannot be created or broken down by ordinary chemical means
- subatomic particle having a negative charge and nearly no mass; found orbiting the atom’s nucleus
Down
- lipid compound derived from fatty acid chains and important in regulating several body processes
- a lipid compound in which a phosphate group is combined with a diglyceride
- arrangement of the elements in a table according to their atomic number; elements having similar properties because of their electron arrangements compose columns in the table, while elements having the same number of valence shells compose rows in the table
- chemical bond in which two atoms share electrons, thereby completing their valence shells
- protein or RNA that catalyzes chemical reactions
- attraction between an anion and a cation
- two or more atoms covalently bonded together
- dipole-dipole bond in which a hydrogen atom covalently bonded to an electronegative atom is weakly attracted to a second electronegative atom
- electrical force linking atoms
- heavy subatomic particle having a positive charge and found in the atom’s nucleus
- (also, sterol) lipid compound composed of four hydrocarbon rings bonded to a variety of other atoms and molecules
- ribose-containing nucleotide that helps manifest the genetic code as protein (RNA)
- class of organic compounds built from sugars, molecules containing carbon, hydrogen, and oxygen in a 1-2-1 ratio
- building block of proteins; characterized by an amino and carboxyl functional groups and a variable side-chain
- physical substance; that which occupies space and has mass
- number of protons in the nucleus of an atom
- negative logarithm of the hydrogen ion (H+) concentration of a solution
40 Clues: atom with a positive charge • atom with a negative charge • electrical force linking atoms • number of particles within a given space • attraction between an anion and a cation • number of protons in the nucleus of an atom • two or more atoms covalently bonded together • protein or RNA that catalyzes chemical reactions • atom with an overall positive or negative charge • ...
Organic Chemistry 2026-06-22
Across
- unique bond found in proteins
- group of macromolecules that includes DNA and RNA
- a basic functional group found in all amino acids
- unique bond found in lipids
- group of macromolecules that includes keratin, actin, and tubulin
- a chain of amino acids
- the level of protein structure that consists of an unfolded polypeptide chain
- unique bond found in carbohydrates
- a lipid composed of four fused hydrocarbon rings
- group of macromolecules that includes starch and cellulose
- a building block of carbohydrates
- a double-stranded polynucleotide containing deoxyribose
- unique bond found in nucleic acids
- molecules composed of carbon and hydrogen only
- a single-stranded polynucleotide containing ribose
- the level of protein structure that consists of simple 3D structures such as an alpha helix
- the chemical reaction used to break macromolecules, consumes a water molecule
- the chemical reaction used to build macromolecules, removes a water molecule
- a functional group found in all carbohydrates
- a functional group with the chemical formula CO
Down
- a chain of nucleotides
- the level of protein structure that consists of a unique, complex 3D shape
- a chain of monosaccharides
- a building block of proteins
- a building block of nucleic acids
- molecules that have the same chemical formula but different arrangements of atoms
- a functional group with the chemical formula SH
- group of macromolecules that includes fats, phospholipids, and steroids
- a lipid composed of a glycerol and three fatty acids
- the level of protein structure that consists of multiple proteins working together
- a functional group found in all nucleotides
- a sugar composed of exactly two monosaccharides
- an acidic functional group found in all amino acids
- a functional group found in all lipids
34 Clues: a chain of nucleotides • a chain of amino acids • a chain of monosaccharides • unique bond found in lipids • a building block of proteins • unique bond found in proteins • a building block of nucleic acids • a building block of carbohydrates • unique bond found in carbohydrates • unique bond found in nucleic acids • a functional group found in all lipids • ...
chemistry class 2026-06-18
Across
- The joining of atoms.
- A particle with a positive charge.
- A measure of how acidic or alkaline something is.
- Substance with a pH below 7.
- Substance with a pH above 7.
- A substance that dissolves in a liquid.
- The liquid that dissolves a solute.
- Table that organises all known elements.
- A change that produces new substances.
- Particle with no charge.
- The number of protons in an atom.
Down
- A substance made from two or more elements chemically joined.
- A vertical column in the periodic table.
- A substance that speeds up a reaction.
- The process of burning.
- A mixture where a solute dissolves in a solvent.
- Negatively charged particle in an atom.
- The smallest particle of an element.
- A reaction that releases heat.
- The centre of an atom.
20 Clues: The joining of atoms. • The centre of an atom. • The process of burning. • Particle with no charge. • Substance with a pH below 7. • Substance with a pH above 7. • A reaction that releases heat. • The number of protons in an atom. • A particle with a positive charge. • The liquid that dissolves a solute. • The smallest particle of an element. • ...
Organic Chemistry 2026-08-03
Across
- Compound containing only carbon and hydrogen.
- Reagent used to distinguish alkanes from alkenes.
- Polymer formed from ethene.
- Product formed together with an alkane during cracking.
- Name of C₄H₁₀.
- Process that joins many small molecules into a large molecule.
- Substance that speeds up a reaction without being used up.
- Name of C₂H₄.
- Homologous series containing the -OH functional group.
- Name of C₃H₆.
- Gas produced during fermentation.
- Description of hydrocarbons containing only single carbon-carbon bonds.
- Name of CH₄.
- Product formed when ethene reacts with hydrogen.
- Catalyst used in the hydrogenation of alkenes.
- Name of C₂H₅OH.
- Type of polymer formed from alkenes.
- Name of CH₃COOH.
- Reaction in which a substance burns in oxygen.
Down
- Poisonous gas produced during incomplete combustion.
- Typical smell of esters.
- Compound formed when an alcohol reacts with a carboxylic acid.
- Colour change of bromine water when an alkene is present.
- acid Homologous series containing the -COOH functional group.
- Homologous series containing at least one carbon-carbon double bond.
- Reaction that converts an alkene into an alkane.
- Reaction in which ethanol forms ethanoic acid.
- Reagent added to ethene to produce ethanol.
- Compound with the same molecular formula but a different structural formula.
- Product formed when ethene reacts with steam.
- Name of C₃H₈.
- Process used to produce ethanol from glucose.
- Description of hydrocarbons containing at least one carbon-carbon double bond.
- Reaction between an alcohol and a carboxylic acid.
- One product of the complete combustion of hydrocarbons.
- Process that breaks long-chain hydrocarbons into shorter molecules.
- Homologous series containing only single carbon-carbon bonds.
- Type of bond that makes alkenes more reactive than alkanes.
- Reaction in which atoms are added across a carbon-carbon double bond.
- Name of C₂H₆.
40 Clues: Name of CH₄. • Name of C₃H₈. • Name of C₂H₄. • Name of C₃H₆. • Name of C₂H₆. • Name of C₄H₁₀. • Name of C₂H₅OH. • Name of CH₃COOH. • Typical smell of esters. • Polymer formed from ethene. • Gas produced during fermentation. • Type of polymer formed from alkenes. • Reagent added to ethene to produce ethanol. • Compound containing only carbon and hydrogen. • ...
Organic Chemistry 2026-08-03
Across
- Compound with the same molecular formula but a different structural formula.
- One product of the complete combustion of hydrocarbons.
- Gas produced during fermentation.
- Reagent used to distinguish alkanes from alkenes.
- Description of hydrocarbons containing only single carbon-carbon bonds.
- Reaction in which ethanol forms ethanoic acid.
- Process that joins many small molecules into a large molecule.
- Compound formed when an alcohol reacts with a carboxylic acid.
- Name of C₂H₄.
- Name of C₂H₅OH.
- Reaction that converts an alkene into an alkane.
- Product formed when ethene reacts with hydrogen.
- Homologous series containing only single carbon-carbon bonds.
- Name of C₃H₆.
- Compound containing only carbon and hydrogen.
- acid Homologous series containing the -COOH functional group.
- Product formed when ethene reacts with steam.
- Catalyst used in the hydrogenation of alkenes.
Down
- Reaction in which a substance burns in oxygen.
- Poisonous gas produced during incomplete combustion.
- Homologous series containing the -OH functional group.
- Product formed together with an alkane during cracking.
- Name of CH₄.
- Reagent added to ethene to produce ethanol.
- Substance that speeds up a reaction without being used up.
- Colour change of bromine water when an alkene is present.
- Process used to produce ethanol from glucose.
- Name of CH₃COOH.
- Type of bond that makes alkenes more reactive than alkanes.
- Name of C₃H₈.
- Typical smell of esters.
- Reaction in which atoms are added across a carbon-carbon double bond.
- Polymer formed from ethene.
- Reaction between an alcohol and a carboxylic acid.
- Description of hydrocarbons containing at least one carbon-carbon double bond.
- Type of polymer formed from alkenes.
- Name of C₂H₆.
- Homologous series containing at least one carbon-carbon double bond.
- Name of C₄H₁₀.
- Process that breaks long-chain hydrocarbons into shorter molecules.
40 Clues: Name of CH₄. • Name of C₃H₈. • Name of C₂H₄. • Name of C₂H₆. • Name of C₃H₆. • Name of C₄H₁₀. • Name of C₂H₅OH. • Name of CH₃COOH. • Typical smell of esters. • Polymer formed from ethene. • Gas produced during fermentation. • Type of polymer formed from alkenes. • Reagent added to ethene to produce ethanol. • Process used to produce ethanol from glucose. • ...
Organic Chemistry 2026-08-03
Across
- Process used to produce ethanol from glucose.
- Poisonous gas produced during incomplete combustion.
- Homologous series containing the -OH functional group.
- Process that joins many small molecules into a large molecule.
- Substance that speeds up a reaction without being used up.
- Name of C₃H₈.
- Polymer formed from ethene.
- Name of C₄H₁₀.
- Name of CH₄.
- Name of C₃H₆.
- Product formed when ethene reacts with hydrogen.
- Typical smell of esters.
- Compound containing only carbon and hydrogen.
- Colour change of bromine water when an alkene is present.
- Description of hydrocarbons containing only single carbon-carbon bonds.
- Description of hydrocarbons containing at least one carbon-carbon double bond.
- Homologous series containing only single carbon-carbon bonds.
- Compound formed when an alcohol reacts with a carboxylic acid.
- Process that breaks long-chain hydrocarbons into shorter molecules.
- Reaction in which ethanol forms ethanoic acid.
- Reaction in which atoms are added across a carbon-carbon double bond.
Down
- Product formed when ethene reacts with steam.
- Type of polymer formed from alkenes.
- Reagent used to distinguish alkanes from alkenes.
- Gas produced during fermentation.
- One product of the complete combustion of hydrocarbons.
- Reagent added to ethene to produce ethanol.
- Name of CH₃COOH.
- Name of C₂H₅OH.
- Reaction that converts an alkene into an alkane.
- Name of C₂H₆.
- Reaction in which a substance burns in oxygen.
- Compound with the same molecular formula but a different structural formula.
- Type of bond that makes alkenes more reactive than alkanes.
- Product formed together with an alkane during cracking.
- Homologous series containing at least one carbon-carbon double bond.
- Catalyst used in the hydrogenation of alkenes.
- Reaction between an alcohol and a carboxylic acid.
- acid Homologous series containing the -COOH functional group.
- Name of C₂H₄.
40 Clues: Name of CH₄. • Name of C₃H₈. • Name of C₃H₆. • Name of C₂H₆. • Name of C₂H₄. • Name of C₄H₁₀. • Name of C₂H₅OH. • Name of CH₃COOH. • Typical smell of esters. • Polymer formed from ethene. • Gas produced during fermentation. • Type of polymer formed from alkenes. • Reagent added to ethene to produce ethanol. • Product formed when ethene reacts with steam. • ...
clases 2018-03-13
Unit 1 2024-09-11
14 Clues: - keemia • - lemmik • - ajalugu • - õppeaine • - kirjandus • - kirjandus • - bioloogia • - geograafia • - saksa keel • - matemaatika • - matemaatika • - prantsuse keel • - hispaania keel • - kunst; kunstiõpetus
Estar and Vocab Review 2021-11-04
15 Clues: music • eraser • La tiza • La casa • homework • La silla • El estadio • La liberia • journalism • la quimica • garbage can • teacher (m) • La biblioteca • La calculadora • El semester (write the english)
Estar and Vocab Review 2021-11-04
15 Clues: music • eraser • La tiza • La casa • homework • La silla • journalism • El estadio • la quimica • La liberia • garbage can • teacher (m) • La biblioteca • La calculadora • El semester (write the english)
E8 U3 edukacja gr 2 2024-01-21
15 Clues: chemia • teczka • trener • zszywacz • geografia • zanotować • biblioteka • zakreślacz • wypracowanie • kolega z klasy • osiągnąć sukces • dogonić, nadrobić • zadanie (nie homework) • odpoczynek, czas wolny • odstawać, zostawać w tyle
Vocabulary test 2024-12-03
15 Clues: dire • après • avant • entre • chimie • penser • de plus • théâtre • espagnol • parce que • heure de libre • réponse/répondre • une fois par semaine • deux fois par semaine • quatre fois par semaine
Syllabus Crossword Puzzle 2025-08-19
Across
- Classroom expectation: work toward strong explanations and solutions.
- Classroom expectation: treat people, space, and learning with care.
- What size index card can be used as a cheat sheet for exams?
- What must you do if your name is put on the board?
- What type of grading is done in this class?
- Eating and drinking is ___ permitted during class time (except water).
- Where can you find assignments, announcements, and class codes?
- Classroom expectation: value everyone’s ideas and participation.
- What can you do to increase assessment scores?
- What is your chemistry teacher’s name?
Down
- If your most recent score is lower than a past score, which score counts?
- You are considered tardy when you are not in your ___ after the bell rings.
- What subject are we learning about in this class?
- How can you email Mr. Ng?
- Chemistry is the study of what?
- Another time of day to meet with Mr. Ng by appointment.
- What percentage of your grade comes from completion work?
- Classroom expectation: help and encourage each other’s learning.
- What must students follow for lab safety?
- One time of day you can make an appointment with Mr. Ng.
- Late work is not ____?
- Where should your phone go at the start of class?
- What is the classroom number?
- Exams, quizzes, and projects are part of this that make up 70% of your grade.
- Assessments missed because of an excused absence must be completed within __ days of returning to class.
- What must you do before using the hall pass?
26 Clues: Late work is not ____? • How can you email Mr. Ng? • What is the classroom number? • Chemistry is the study of what? • What is your chemistry teacher’s name? • What must students follow for lab safety? • What type of grading is done in this class? • What must you do before using the hall pass? • What can you do to increase assessment scores? • ...
Laboratory Instruments 2023-07-05
8 Clues: For heating • To filter liquids • Branch of science • To stir chemical solution • Father of modern chemistry • Used to pick up hot apparatus • Used to carry test in small quantities • Supports apparatus during experiments.
Vocabulary Unit 12 2021-03-22
32 Clues: P.E • gym • glue • band • glue • stamp • ruler • grade • choir • coach • French • German • office • meeting • library • stapler • biology • homework • notebook • envelope • Japanese • librarian • geography • detention • cafeteria • chemistry • sharpener • principal • auditorium • calculator • sheet of paper • computer science
Spanish learning chapter 2 2021-10-22
20 Clues: la mesa • la tiza • el libro • la pluma • el papel • la silla • el reloj • la física • la puerta • la mochila • la pizarra • la ventana • la química • la economía • la papelera • el trimestre • la biblioteca • la especialización • el/la_compañero/a_de_clase • la administración de empresas
L'horaire 2013-02-18
32 Clues: Gym • now • Art • 1am • Math • week • noon • exam • break • Music • Sunday • German • Monday • Friday • Physics • Biology • weekend • evening • Spanish • Tuesday • morning • History • homework • midnight • Saturday • Thursday • tomorrow • Wednesday • Chemistry • Geography • dismissal • ComputerTech
En la Escuela B! 2017-03-20
29 Clues: art • door • quiz • test • math • music • essay • locker • lesson • history • Spanish • hallway • science • physics • English • biology • schedule • semester • religion • homework • chemistry • gymnasium • essay/report • grade (year) • lesson/lecture • school subject • grades (scores) • physical education/gym • computers/computer science
L'Ecole et Les Cours 2024-02-15
25 Clues: PE • Band • chorus • Health • Italian • History • biology • algebra • Geometry • Geography • chemistry • Study Hall • university • Math class • Latin class • high school • physics class • middle school • drawing class • Spanish class • Business class • Computer Science • physical science • fine arts, art class • political science, government
Spanish I 2024-01-23
31 Clues: be • Buy • Use • pay • Art • red • Math • Band • Blue • book • Speak • Music • Study • Teach • Green • Black • Choir • White • French • Listen • During • Studio • History • Biology • Physics • Spanish • Algebra • look for • Geometry • Chemistry • Technology
En la Clase 2023-09-21
24 Clues: Why? • Which? • library • English • biology • history • because • Physics • Bookstore • Chemistry • Economics • To arrive • Where to? • Psychology • mathematics • wastebasket • Which ones? • To have dinner • To the left of • To the right of • Next to;besides • Computer science • To have breakfast • business administration
En la Clase 2023-09-21
24 Clues: Why? • Which? • library • English • biology • history • because • Physics • Bookstore • Chemistry • Economics • To arrive • Where to? • Psychology • mathematics • wastebasket • Which ones? • To have dinner • To the left of • To the right of • Next to;besides • Computer science • To have breakfast • business administration
En la Clase 2023-09-21
24 Clues: Why? • Which? • history • library • Physics • biology • English • because • Economics • Chemistry • To arrive • Bookstore • Where to? • Psychology • mathematics • Which ones? • wastebasket • To the left of • To have dinner • Next to;besides • To the right of • Computer science • To have breakfast • business administration
Chapter 2 2023-09-21
24 Clues: Why • which • Biology • history • English • because • library • physics • Chemistry • Economics • to arrive • Bookstore • Where to? • Which ones? • mathematics • wastebasket • Physchology • to the left of • to have dinner • to the right of • computer science • next to; besides • to have breakfast • Business administration
French 1 Midterm 2024-11-26
31 Clues: cat • pen • dog • car • back • aunt • elle • apple • house • juice • ville • trees • sixty • copain • to buy • Sunday • garden • comment • glasses • fromage • janvier • birthday • daughter • pourquoi • chemistry • ascenseur • beau-pere • professeur • neighborhood • calculatrice • your (plural or formal)
CHEM IS TRY 2024-07-11
Across
- ธาตุสองตัวจะมาเป็นสารประกอบ ต้องมีสิ่งนี้
- ใช้หยดสารละลาย
- จำนวนอนุภาคมูลฐานในอะตอมของ Ne
- มีทั้งเป็นบวก และ เป็นลบ
- ชนิดหนึ่งของปฏิกิริยา ร้อนนะจะบอกให้
- มีเลขอะตอม 17
- เป็นภาษากรีก แปลว่า สิ่งที่เล็กที่สุด
- อยู่ในอะตอมเป็นประจุลบ
- เอาน้ำตาลมาละลายน้ำ เราเรียกว่า
- ตอนจะกินต้องระวัง ไม่งั้นไตพัง
- เครื่องแก้วชนิดหนึ่ง ใช้บรรจุ ถ่ายเท สารเคมี
Down
- pH มากกว่า 7
- จะเกิดฝนได้ ต้องเกิดสิ่งนี้ก่อน
- รวมทุกธาตุในโลกไว้ที่นี่เลย
- แก๊สที่พบมากที่สุดในอากาศรอบตัวเรา
- เหล็ก มาเจอกับน้ำและอากาศ
- พบในชั้นบรรยากาศ
- จำนวนนิวตรอนของ คาร์บอน ที่มีเลขมวล 13
- ใช้ตรวจสอบความเป็นกรด-เบส
- ลองเดาดูสิ
- ยูเรก้าาาาาา
- ธาตุที่ใช้ทำสายไฟ
22 Clues: ลองเดาดูสิ • pH มากกว่า 7 • ยูเรก้าาาาาา • มีเลขอะตอม 17 • ใช้หยดสารละลาย • พบในชั้นบรรยากาศ • ธาตุที่ใช้ทำสายไฟ • อยู่ในอะตอมเป็นประจุลบ • มีทั้งเป็นบวก และ เป็นลบ • เหล็ก มาเจอกับน้ำและอากาศ • ใช้ตรวจสอบความเป็นกรด-เบส • รวมทุกธาตุในโลกไว้ที่นี่เลย • จำนวนอนุภาคมูลฐานในอะตอมของ Ne • ตอนจะกินต้องระวัง ไม่งั้นไตพัง • จะเกิดฝนได้ ต้องเกิดสิ่งนี้ก่อน • เอาน้ำตาลมาละลายน้ำ เราเรียกว่า • ...
School Subjects and Schedule 2024-11-11
29 Clues: art • band • class • choir • civics • school • recess • science • Spanish • English • algebra • biology • history • geometry • assembly • language • fine arts • chemistry • orchestra • geography • technology • lunch time • literature • study hall • mathematics • social studies • computer science • physical education • the school subject
Lab Week 2026 2026-04-14
22 Clues: tag • run • type • path • dire • exam • chiller • microbe • family line • Hollow tube • proficiency • blood screen • head covering • bacteria jelly • five main types • chemistry monster • special collection • the best department • Epic platform for lab • zero contaminant device • main player in scabbing • opposite of your out (pun)
Medical Terminology 2026-08-14
30 Clues: fat • head • cell • mind • bone • skin • life • sugar • blood • water • gland • brain • heart • joint • artery • kidney • tissue • muscle • neuron • vessel • opening • stomach • bronchus • air, lung • chemistry • cartilage • blood clot • blood vessel • self, one's own • other, different
Things Dad Loves 2021-04-19
18 Clues: Kids • Pals • Spouse • Woodwork • Rink game • Summer game • Mowing site • Jogging gear • Plays on words • Vegetable plot • Workshop items • Afternoon snooze • Household animals • Fall weekend game • Rod and reel sport • Chess and checkers • Physics or chemistry • Coupes and convertibles
subjects 2023-03-07
Staff Subjects - Do you know? 2024-04-25
16 Clues: - Mr Kaye • - Mr Cook • - Mr Nixon • - Mr Allan • - Mrs Clark • - Miss Hill • - Mr Conchie • - Mrs Barson • - Mrs Gibbons • - Mrs Donlevy • - Mrs Bennett • - Mr Parkinson • - Mrs Whitehead • - Mr A Williams • - Mr McGuinness • - Mrs Gillespie
Chemistry Crossword 2012-02-19
Across
- A reaction where energy is released as head (reactants have more energy than products).
- For the SnS compound the classical method of naming would be Stannous sulfide while the ____ method would be Tin (II) Sulfide.
- This type of radiation is high energy electromagnetic radiation that often accompanies alpha or beta particle emission. It has a very short wavelength and is therefore the most dangerous type of radioactive emission.
- An ion that contains more than one atom.
- This word is defined as the amount of solute that can dissolve in a solvent at a given temperature.
- Atoms of the same element with different atomic masses are called.
- The measure of an atom’s electron attracting ability for bonding pair.
- The lightest noble gas.
- Heaviest (highest atomic mass) synthetic element.
- JJ____ proposed the raisin bun in a plum pudding theory of the atom (with electrons embedded in a positively charged sphere)
- ___Principle said that orbitals are always filled from the lowest to the highest energy level
Down
- London dispersion forces occur because the motion of the electrons in an atom causes a fluctuating charge distribution that varies from moment to moment. This leads to an induced ____.
- ____ ‘s number is 6.02 * 10^23
- These forces must be overcome for phase changes.
- A type of bonding formed through electrostatic attraction between an anion and a cation
- Common name of Calcium Oxide
- A reaction where energy is drawn out of the environment (Products have more energy than reactants).
- A section of chemistry dealing with relative quantities of both reactants and products in chemical reactions
- Heaviest (highest atomic mass) naturally occurring element.
- The principal quantum number(n)represents the number of ____s.
- The ______ formula of a compound is the smallest whole number ratio of the elements in the compound.
- Both a furry animal and a unit of measurement in chemistry
- Common name of Potassium Carbonate
- The name of NO3
24 Clues: The name of NO3 • The lightest noble gas. • Common name of Calcium Oxide • ____ ‘s number is 6.02 * 10^23 • Common name of Potassium Carbonate • An ion that contains more than one atom. • These forces must be overcome for phase changes. • Heaviest (highest atomic mass) synthetic element. • Both a furry animal and a unit of measurement in chemistry • ...
Chemistry CrossWord 2012-10-31
Across
- same numbers of protons(atomic number) but different numbers of neutrons
- a mixture in which the individual substances are visible to the naked eye
- electron configuration: 1s2 2s2 2p1
- electrons fill orbitals starting at the lowest available energy state before filing higher states
- Group 1 of the Periodic table
- An atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- elements 90-103
- particle that has no charge and is located in the nucleus
- characteristic of a substance that can be observed without changing the substance into another substance
- atomic symbol of SodiumChloride
- horizontal row of elements in the periodic table
- Group that has 7 valence electron
Down
- positive charged particle located in the nucleus of an atom
- chemical bond formed when electrons are shared
- use to hold,mix,and heat liquids
- used for protecting your eyes during an experiment
- smallest particle of an element
- the ability of an atom to attract electrons
- element with 8 protons, 8 electrons, and 8 neutrons
- negatively charged particle in an atom
- chemical bond that involves electrons to be gained or lost
- electron configuration: 1s2 2s2 2p6 3s2 3p4
- Elements 58-71
- English scientist that stated All matter is made of atoms and Atoms are indivisible and indestructible.
- Anything that has mass and occupies space
- A change in matter which does not alter the chemical properties of the matter
- Group that has 8 valence electron
- covalent bond in which electrons are shared unequally
- Atomic symbol is Ca
- pair of electron that does not bond
30 Clues: Elements 58-71 • elements 90-103 • Atomic symbol is Ca • Group 1 of the Periodic table • smallest particle of an element • atomic symbol of SodiumChloride • use to hold,mix,and heat liquids • Group that has 8 valence electron • Group that has 7 valence electron • electron configuration: 1s2 2s2 2p1 • pair of electron that does not bond • negatively charged particle in an atom • ...
Chemistry Vocabulary 2012-11-29
Across
- mass/ The mass in grams of one mole (or 6.02 x 1023 molecules) of any chemical compound.
- mass/ the sum of atomic weights of the atoms in a molecule
- length/ the average distance between nuclei of two bonded atoms in a molecule
- composition/ Usually means percent composition by mass. Could also be percent composition by mole, or by weight.
- formula/ a chemical formula based on analysis and molecular weight.
- bond/ a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion.
- a method of describing the delocalized electrons in some molecules where the bonding cannot be explicitly expressed by a single Lewis structure
- bond/ A chemical bond in which three pairs of electrons are shared between two atoms.
- covalent bond/ a bond in which one nucleus of an atom donates both electrons to form a bond with another atom
- hybridization/ mixing atomic orbitals to form new hybrid orbitals suitable for the qualitative description of atomic bonding properties.
- rule/ atoms that tend to combine in such a way that they each have eight electrons in their valence shells
Down
- bond/ A real fancy way of saying "single bond"
- number/ The number of atoms or molecules in one mole of a substance
- The mole is a unit of measurement for the amount of substance or chemical amount.
- bond/ A chemical bond in which two pairs of electrons are shared between two atoms.
- ion/ An ionic species containing more than one element.
- bond/ a chemical bond that involves sharing a pair of electrons between atoms in a molecule.
- promotion/ A statement describing the populations of electronic energy sublevels of an atom
- bond/ a bond formed from the overlap of two parallel p-orbitals.
- covalent bonds/ A covalent bond in which the electrons are not shared equally, giving the bond some ionic character
20 Clues: bond/ A real fancy way of saying "single bond" • ion/ An ionic species containing more than one element. • mass/ the sum of atomic weights of the atoms in a molecule • bond/ a bond formed from the overlap of two parallel p-orbitals. • formula/ a chemical formula based on analysis and molecular weight. • ...
Organic Chemistry 2012-11-29
Across
- compound with two carbonyl carbons connected by an oxygen
- The position on an aromatic of the second substituent that is OPPOSITE of the first
- the type of bond that makes a compound an ALKYNE
- different name for ester hydrolysis
- alkane with 3 carbons
- type of reagents used in Grignard and Gillman's reactions
- type of aromatic substituent that blocks Friedel-Crafts reaction
- type of P-orbital required to count as an aromatic
- reaction which forms new Carbon Carbon double bond on a carbonyl in place of oxygen
- reaction that turns two identical aldehydes into one larger Beta Hydroxy Aldehyde
- the type of bond that makes a compound an ALKENE
Down
- compound with a hydrogen and double-bonded oxygen on a terminal carbon.
- forms new Carbon Carbon single bond, turns carbonyl into alcohol
- a carbon in a compound with 4 different groups attached to it
- A 6 membered aromatic compound
- a reaction mechanism for aromatics
- reaction that converts a dione into a 5 or 6 membered ring
- A geometric requirement for aromatics
- a carbon with a positive charge
- a 6 membered carbon ring
- The position on an aromatic of the second substituent that is ADJACENT to the first
21 Clues: alkane with 3 carbons • a 6 membered carbon ring • A 6 membered aromatic compound • a carbon with a positive charge • a reaction mechanism for aromatics • different name for ester hydrolysis • A geometric requirement for aromatics • the type of bond that makes a compound an ALKYNE • the type of bond that makes a compound an ALKENE • ...
Chemistry Crossword 2012-12-01
Across
- The SI unit of frequency equal to one cycle per second.
- The arrangement of electrons around the nucleus of an atom in its ground state.
- A dumbbell region around the nucleus where and electron may be found.
- The modern description, primarily mathematical, of the behavior of electrons in atoms.
- The lowest energy level occupied in the periodic table.
- Displayed an atom with the majority of the mass in the nucleus.
- The pattern of frequencies obtained by passing light emitted by the atoms of an element in the gaseous state through a prism.
- Describes the wavelength of a moving particle.
- electrons are ejected by certain metals where they absorb light with a frequency above a threshold frequency.
- Electrons enter orbitals of lowest energy first.
- no more than two electrons can occupy an atomic orbital.
Down
- A number used to calculated the radiant energy absorbed or emitted by a body based on the frequency of radiation.
- Displayed the atom as a ball of positive charge with a few electrons.
- A spherical region around the nucleus where an electron may be found. The inner most sphere is one of these.
- States that it is impossible to know both the velocity and the position of a particle at the same time.
- Proposition that electrons travel in definite orbits around the nucleus.
- When electrons occupy orbitals of equal energy.
- A region around the nucleus of an atom where an electron is likely to be moving.
- a region in space around the nucleus of an atom where there is a high probability of finding an electron.
- A nucleus that has a higher energy level than a ground level.
- The amount of energy needed to move an electron from its present energy level to the next higher one.
- The number of wave cycles that pass a given point per unit of time.
- The distance between two adjacent crests of a wave.
- The height of a wave from the origin to the crest.
- A quantum of light; a discrete bundle of electromagnetic energy that behaves as a particle.
25 Clues: Describes the wavelength of a moving particle. • When electrons occupy orbitals of equal energy. • Electrons enter orbitals of lowest energy first. • The height of a wave from the origin to the crest. • The distance between two adjacent crests of a wave. • The SI unit of frequency equal to one cycle per second. • ...
Chemistry Crossword 2012-12-01
Across
- Displayed an atom with the majority of the mass in the nucleus.
- A nucleus that has a higher energy level than a ground level.
- A quantum of light; a discrete bundle of electromagnetic energy that behaves as a particle.
- The amount of energy needed to move an electron from its present energy level to the next higher one.
- The pattern of frequencies obtained by passing light emitted by the atoms of an element in the gaseous state through a prism.
- Describes the wavelength of a moving particle.
- The arrangement of electrons around the nucleus of an atom in its ground state.
- no more than two electrons can occupy an atomic orbital.
- A dumbbell region around the nucleus where and electron may be found.
- A region around the nucleus of an atom where an electron is likely to be moving.
Down
- When electrons occupy orbitals of equal energy.
- Proposition that electrons travel in definite orbits around the nucleus.
- The distance between two adjacent crests of a wave.
- States that it is impossible to know both the velocity and the position of a particle at the same time.
- The SI unit of frequency equal to one cycle per second.
- A number used to calculated the radiant energy absorbed or emitted by a body based on the frequency of radiation.
- electrons are ejected by certain metals where they absorb light with a frequency above a threshold frequency.
- The number of wave cycles that pass a given point per unit of time.
- a region in space around the nucleus of an atom where there is a high probability of finding an electron.
- Displayed the atom as a ball of positive charge with a few electrons.
- The modern description, primarily mathematical, of the behavior of electrons in atoms.
- A spherical region around the nucleus where an electron may be found. The inner most sphere is one of these.
- Electrons enter orbitals of lowest energy first.
- The lowest energy level occupied in the periodic table.
- The height of a wave from the origin to the crest.
25 Clues: Describes the wavelength of a moving particle. • When electrons occupy orbitals of equal energy. • Electrons enter orbitals of lowest energy first. • The height of a wave from the origin to the crest. • The distance between two adjacent crests of a wave. • The SI unit of frequency equal to one cycle per second. • ...
Chemistry Crossword 2012-09-08
Across
- Occurring without definite aim
- Change from solid to liquid without passing through the liquid state
- Smallest particle of an element
- Uses electricity to break down compounds into simpler substances
- Something that binds , holds something together
- A reactions which results in the increase in surrounding temperature
- Primary charge carriers in electric current
- Neat and regular sequence
- Pressed together, dense, compact
Down
- Substance that cannot be broken down any further
- Magnetic force between 2 oppositely charged bodies causing them to draw together
- Substance that undergoes a chemical change in a given reaction
- A reaction which results in the decrease in surrounding temperature
- A proton or a neutron
- Can be returned to original state
- An electrically charged atom formed by the loss or gain of one or more electrons
- Process which causes rusting & spoiling of fresh food
- Change from gas to solid without passing through the liquid state
- 2 or more elements involved
- 2 or more atoms chemically combined together (a group of atoms)
20 Clues: A proton or a neutron • Neat and regular sequence • 2 or more elements involved • Occurring without definite aim • Smallest particle of an element • Pressed together, dense, compact • Can be returned to original state • Primary charge carriers in electric current • Something that binds , holds something together • Substance that cannot be broken down any further • ...
Chemistry Puzzle 2013-04-30
Across
- The densest liquid element
- A common name for Calcium Carbonate
- The colour with the longest wavelength
- The only two letters to not officially appear on the periodic table (Alphabetically)
- An acid that ionizes slightly in a solution (2 words)
- The maximum amount of solute that can be dissolved into a solvent at a given temperature
- The most common isotope of this element is 238
- This type of alcohol is commonly consumed
- The smallest length, theoretically (2 words)
- The nuclear reaction that takes place in the sun’s core
- This element is the most conductive metal, but comes at a price
- Many computer chips are made from this element
Down
- A base that produces few hydroxide ions when dissolved in water (2 words)
- This type of electromagnetic radiation is used for telecommunications around the world
- This subatomic particle is released during beta decay
- This type of spin is an angular momentum carried by electrons (2 words)
- This metal is used in pipes and wires
- All intermolecular bonds are caused by ___ ___ ___ forces (3 words)
- The lowest theoretical temperature (2 words)
- The nucleus of this element is released during alpha decay
- A solid solution of two or more metals
- The final part of the standard model to be discovered (2 words)
- This element is added to table salt for its health benefits
- The term used to describe a complete valence shell
24 Clues: The densest liquid element • A common name for Calcium Carbonate • This metal is used in pipes and wires • The colour with the longest wavelength • A solid solution of two or more metals • This type of alcohol is commonly consumed • The lowest theoretical temperature (2 words) • The smallest length, theoretically (2 words) • The most common isotope of this element is 238 • ...
Cell Chemistry 2013-04-12
Across
- the monomer of a protein
- tiny molecular strands which code for all life on Earth
- a reaction involving the chemical basis of several objects
- adenosine triphosphate
- the acidic level of a substance
- a sweet, crystalline substance
- a substance that provides nourishment
- the act of conducting photosynthesis
- a type of diffusion where molecules move from areas of lower concentration to higher concentration; require energy
- self replication
- a gaseous element which makes up 1/5 of the volume of the atmosphere, and is necessary for all life on Earth
- the diffusion of water
- one of the various types of energy
- an exertion of power
- a state of balance due to the equal action of opposing forces
Down
- to suck up or fill
- any acids that bond to a glycerol to form a fat molecule
- the quality of acid of a substance
- having the form of a sphere
- any of 4 of the nitrogenous bases of DNA, or RNA (they differ in both)
- energy of a chemical compound which must undergo a change
- a combination of two or more atoms
- the process of burning
- to acquire something
- a type of diffusion where no energy is required
- a plant process where light+CO2+water=O2+glucose
- a molecular sugar: C6 H12 O6
- the green coloring matter of leaves and plants
- a chain of subsequent energy reactions
- energy constituted by light
- this builds and repairs cells and cell tissue
- to make a solution by mixing with liquid
- proteins which break down molecules and molecular bonds
- a limit
34 Clues: a limit • self replication • to suck up or fill • to acquire something • an exertion of power • the process of burning • adenosine triphosphate • the diffusion of water • the monomer of a protein • having the form of a sphere • energy constituted by light • a molecular sugar: C6 H12 O6 • a sweet, crystalline substance • the acidic level of a substance • the quality of acid of a substance • ...
Cell Chemistry 2013-04-16
Across
- Diffusion of a solvent (usually water molecules) through a semipermeable membrane from an area of low solute concentration to an area of high solute concentration.
- the act or process of burning.
- A microscopic organism, esp. a bacterium, virus, or fungus.
- The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
- The process or action by which one thing absorbs or is absorbed by another: "shock absorption".
- diffusion Transport of substances across a biological membrane from an area of higher concentration to an area of lower concentration by means of a carrier molecule. Since the substances move along the direction of their concentration gradients, energy is not required.
- transport The movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
- Something put into a system or expended in its operation to achieve output or a result,
- A member of a large group of unicellular microorganisms lacking organelles and an organized nucleus, including some that can cause disease.
- A substance that provides nourishment essential for growth and the maintenance of life.
- the metabolic processes whereby certain organisms obtain energy from organic molecules.
- A line that marks the limits of an area; a dividing line
- something, such as a liquid or gas, that flows in
- Respiration the oxidation of organic compounds that occurs within cells, producing energy for cellular processes.
- transport transport of a substance across a cell membrane by diffusion; expenditure of energy is not required.
Down
- An individual animal, plant, or single-celled life form
- A group of interacting, interrelated, or interdependent elements forming a complex whole.
- the act of concentrating; the state of being concentrated.
- force a force which is the result of two or more forces acting conjointly, or a motion which is the result of two or more motions combined.
- Take in or soak up (energy, or a liquid or other substance) by chemical or physical action, typically gradually.
- Synthesize sugars or other substances by means of photosynthesis.
- Reaction A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form Compound
- Get, acquire, or secure (something):
- The process of becoming smaller.
- A member of a large group of unicellular microorganisms lacking organelles and an organized nucleus, including some that can cause disease.
- The passive movement of molecules or particles along a concentration gradient, or from regions of higher to regions of lower concentration.
- Of or relating to the properties of spheres
- The first trophic level in a food chain in which it serves as a food source for consumers or for higher trophic levels.
- to make a solution of, as by mixing with a liquid; pass into solution
- reproduction reproduction without the fusion of gametes
- Consisting of many different and connected parts.
31 Clues: the act or process of burning. • The process of becoming smaller. • Get, acquire, or secure (something): • Of or relating to the properties of spheres • something, such as a liquid or gas, that flows in • Consisting of many different and connected parts. • An individual animal, plant, or single-celled life form • A line that marks the limits of an area; a dividing line • ...
Chemistry Katok 2014-02-26
Across
- – Physical observation using senses
- – Negatively charged ion
- – The study of composition, properties and behavior of matter.
- – Does not depend on the amount of matter
- – Process of evaporation
- – the qualitative relationship of reactants by products in a balance equation
- – Transformation of matter of which the composition change
- – Slippery and soapy structure
- – the study of carbon and its compounds
- - Electrons that are found on the outer shell of an element.
- – A complete transfer of electron from one atom to another
- – Measured with specific units
- – The act of mixing or the state of being mixed
- – The structure changes but the composition does not
- – Pouring gently the liquid to separate from solid particle
- – Involves of sharing of electron
Down
- – A size or extent of something base on standard
- – Separation of liquid with solid
- – Positively charged ion
- Acid – HClO2
- – Anything that occupies space
- – A way of writing/ expressing large numbers into small numbers
- – Atoms of the same element but differ in atomic mass/weight
- – When matter does not change its original composition
- – Molecules are tightly bonded to one another
- Attraction – A build up of charge on the surface
- Acid – HClO3
- – Composed of two or more elements
- – One of the simplest constituent principles, or parts of which anything consists
- – Has no definite shape but it adapts the shape of its container
30 Clues: Acid – HClO2 • Acid – HClO3 • – Positively charged ion • – Negatively charged ion • – Process of evaporation • – Anything that occupies space • – Slippery and soapy structure • – Measured with specific units • – Separation of liquid with solid • – Involves of sharing of electron • – Composed of two or more elements • – Physical observation using senses • ...
Chemistry & Matter 2014-02-23
Across
- made of two or more substances,elements, or compounds that are together in the same place but not chemically combined
- machine that moves atomic nuclei at high speeds until they crash into one another
- groups of two or more atoms held together by chemical bonds
- mixture in which substances are evenly distributed throughout the mixture
- shows the elements in the compound and the ratio of atoms
- elements in group 3, through 12 of periodic table
- mixture in which pure substances are unevenly distributed throughout the mixture
- a force of attraction between two atoms
- the basic particle from which all elements are made
- a single kind of matter, has a specific set of properties
- measure of the average energy of random motion of particles of matter
- mixture that forms when one substance dissolves another
- ability of an object to transfer heat or electricity to another object
- the average mass of all the isotopes of the element
- group 2 of periodic table
- elements in the same vertical column of the periodic table
- term used to describe material that can be pounded into shapes
- a one or two letter representation of an element
- the total energy of all the particles in an object
- any change that alters the form or appearance of matter but does not make any new substance
Down
- pure substance that cannot be broken down into another substance by physical or chemical means
- matter is not destroyed in any chemical or physical change
- study of the properties of matter
- produces new substances with properties different from those of the original substance
- metals in group 1, from lithium to francium
- a chart of the elements showing the repeating pattern of their properties
- describes a material that can be pulled into a wire
- a change in which energy is taken in
- anything that has mass and takes up space
- ease and speed with which an element combines, or reacts, with other elements and compounds
- mixture of 2 or more elements, one of which is metal
- gradual wearing away of a metal element due to chemical reaction
- a pure substance made of two or more elements chemically combined in a set ratio
- class of elements characterized by physical properties
- releases energy
- ability to do work or cause change
- a horizontal row of elements in the periodic table
37 Clues: releases energy • group 2 of periodic table • study of the properties of matter • ability to do work or cause change • a change in which energy is taken in • a force of attraction between two atoms • anything that has mass and takes up space • metals in group 1, from lithium to francium • a one or two letter representation of an element • ...
Organic Chemistry 2014-04-05
Across
- formed when monomers combine
- soap is made by the hydrolysis of fats/oils with _____
- fats have the same ester linkage as _____
- used to break long-chained alkanes in short-chained alkanes/alkenes
- (23.) requires a high temperature and a _____
- _____ have a C=C double bond
- petroleum is separated into different fractions by _____
- a biological catalyst
- atom (group) that gives an organic compound its chemical properties
- incomplete combustion can also produce _____
- only UNSATURATED (9.)s decolourise _____
- proteins can be hydrolysed to _____ by heating with hydrochloric acid
- compound containing only C and H atoms
- alkanes will only react with chlorine in the presence of _____
- proteins, fats and carbohydrates are the main _____ in food
Down
- C₆H₁₄
- (24.) can be made by the oxidation of (25.) with acidified _____(VII)
- compounds with alkyl groups sticking out from the main carbon chain
- alkanes are generally _____ except for burning
- _____ have the general formula Cx(H2O)y
- _____ + water -----> ethyl ethanoate + water
- compound with the same molecular formula but different structural formulae
- group of organic compounds with the same functional group and similar properties
- each method of disposing plastic has its _____
- in a _____ reaction the monomers join to form a polymer and a small molecule is eliminated
- we can use the (25.) produced in fermentation as a _____
- we can use paper _____ to identify sugars
- the kind of combustion that produces CO2 and H2O
- _____ can be made by adding steam to ethene with a catalyst
29 Clues: C₆H₁₄ • a biological catalyst • formed when monomers combine • _____ have a C=C double bond • compound containing only C and H atoms • _____ have the general formula Cx(H2O)y • only UNSATURATED (9.)s decolourise _____ • fats have the same ester linkage as _____ • we can use paper _____ to identify sugars • _____ + water -----> ethyl ethanoate + water • ...
Chemistry Review 2013-12-09
Across
- When 2 or more elements come together and bind chemically.
- Has an atomic mass of 12.011.
- Published the first periodic table in which the elements are arranged by atomic.
- Used gold foil experiment to determine that most of an atom's mass is in the nucleus.
- Property that can be observed by the 5 senses.
- An amount equal to 6.02 x 10^23.
- Type of physical property that does not depend on the amount of mass of a substance.
- Type of mixture that cannot be easily separated such as Kool-aid, generally a solution.
- Variations of an element with different numbers of neutrons.
- Dull, brittle, most are gases, poor conductors of heat and electricity.
- Horizontal rows of elements on the periodic table.
- 2 or more molecules or elements chemically bound to each other and can only be changed by a chemical reaction.
- Change that results in new compounds.
- Slightly compressible, atoms slide past one another--no fixed shape, but does have a fixed volume.
- A group of elements with the same number of valence electrons, and similar characterics including reactivity.
- Establishes identity of the element.
- The densely packed middle of an atom.
- Has the atomic symbol Xe.
Down
- Hypothesized that electrons traveled in discrete orbits around the nucleus.
- A physical property defined at mass/volume and has units of g/ml org/cm^2.
- Negative particle of an atom.
- Family with 3 valence electrons.
- Type of mixture that can be easily separated such as chunky peanut butter, or stew.
- Many data points that are closely grouped together.
- The combination of 2 or more substances that does not result in a chemical change.
- Good conductor of heat and electricity, malleable, shiny.
- Family with an oxidation number of -3.
- Type of physical property that depends on the amount of mass of a substance.
- Compressible, atoms move quickly and have a large amount of space between them--no fixed shape or volume.
- Not compressible, atoms are closely packed and only move slightly--has a fixed shape and volume.
- What goes into a chemical reaction.
- Found on the periodic table and cannot be separated out to a more pure form.
- Attaining the intended target.
- Has an atomic number of 17.
- A positive ion.
- The result of a chemical reaction.
- An element that has lost or gained electrons.
- Vertical columns of elements on the periodic table.
- Has the atomic symbol Na.
- Discovered the modern periodic table.
- A negative ion.
41 Clues: A positive ion. • A negative ion. • Has the atomic symbol Na. • Has the atomic symbol Xe. • Has an atomic number of 17. • Negative particle of an atom. • Has an atomic mass of 12.011. • Attaining the intended target. • Family with 3 valence electrons. • An amount equal to 6.02 x 10^23. • The result of a chemical reaction. • What goes into a chemical reaction. • ...
Chemistry Words 2014-03-24
Across
- Contractive tendency of the surface of a liquid that allows it to resist an external force
- Type of vaporization of a liquid that occurs from the surface of a liquid into a gaseous phase that is not saturated with the evaporating substance
- a unique arrangement of atoms or molecules in a crystalline structure
- The process in which a gas escapes through a small hole
- Action of bringing liquid to the temperature at which it bubbles and turns into vapor
- An element or compound is a phase transition from the liquid phase to a gas phase
- To make solid
- A solid material whose constituent atoms, molecules, or ions are arranged in an ordered patteren
- A piece of homogeneous solid substance having a natural geometrically regular form
- a physically distinctive form of matter, such as solid, liquid, gas, or plasma
- the smallest group of atoms of a substance that has the overall symmetry of a crystal of that substance
- One of several transport phenomena that occur in nature.
Down
- The temperature at which a given solid will melt
- process of lowering the temperature of a liquid or a gas beliw its freezing point without it becoming a solid
- A point on a phase diagram at which both the liquid and gas phases of a substance have the same density
- the process in which a liquid turns into a solid
- sediments settle down in a different place on the ground
- Become liquefied by heat
- The ability of a liquid to flow in narrow spaces without the assistance of, and in opposition to, external forces like gravity.
- without a clearly defined shape
20 Clues: To make solid • Become liquefied by heat • without a clearly defined shape • The temperature at which a given solid will melt • the process in which a liquid turns into a solid • The process in which a gas escapes through a small hole • sediments settle down in a different place on the ground • One of several transport phenomena that occur in nature. • ...
Chemistry Revision 2014-01-27
Across
- The atoms of halogens are……
- He discovered the electron
- What is the common name for CaCO3
- The series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition
- Which gas turns limewater milky?
- The time it takes for half of the atoms of a substance to decay
- A radioactive isotope used in the treatment of cancer
- The elements between the groups 2 and 3 are called the
- What are the group seven elements called?
- This process is used to find the age of dead organisms by comparing the amounts of two isotopes of carbon.
- What is the flame colour for potassium
- Plants can create most of the world’s free oxygen through this process
- This element is used to make nuclear power
- This is one of the types of subatomic particle
Down
- The fourth alkali metal
- A type of bonding where electrons are transferred from one atom to another
- What is the seventh element in the periodic table.
- Transition can be hammered into shape without breaking. They are ……
- woman discovered radium?
- A type of bonding where the electrons are shared
- Oxygen and nitrogen can be obtained from liquid air by a process called…
- One of the allotropes of carbon which is used in jewellery
- The emission of energy as electromagnetic waves or moving subatomic particles
- The ore that pure uranium and pure radium can be obtained from.
- Hydrogen burns with a……
- The space an electron occupies is called an
- Elements with the same number or protons and electrons but different numbers of….
27 Clues: The fourth alkali metal • Hydrogen burns with a…… • woman discovered radium? • He discovered the electron • The atoms of halogens are…… • Which gas turns limewater milky? • What is the common name for CaCO3 • What is the flame colour for potassium • What are the group seven elements called? • This element is used to make nuclear power • ...
Chemistry Crossword 2014-05-21
Across
- A type of metal extraction by heat
- Its chemical formula is Cu5FeS4
- Shows and classifies all 118 known types of atoms(elements)
- The symbol of this element is N
- Group number in periodic table is 1 and period in periodic table is 4
- Is a common metal that can only be extractedusing electrolysis
- The most common method of obtaining metals
- Are chemical substances that make up rocks
- The alloy that is used for silver coins
- Contains 20% chronium and 10% nickel to stop it from rusting
- The least common group in the periodic table
- A scale that measures the amount of pure gold in jewellery
Down
- Are lustrous, malleable and ductile
- Is the closest we get to pure iron in everyday materials
- The main component of steel
- Metal most abundant in Australian silver coins, common to both brass and bronze
- Superheated liquids in the earths crust
- Cracks in the rocks where minerals are formed
- Cannot be used as pure elements, are too soft to be made into anything useful
- The building blocks from which everything else is made
- Formed by sediments deposited on the sea floor
- Another type of metal extraction by heat
- A metal combined with another element
- Pure Iron with small amounts of carbon added
- Is a rock that has sufficient metal making it worthwhile to mine
25 Clues: The main component of steel • Its chemical formula is Cu5FeS4 • The symbol of this element is N • A type of metal extraction by heat • Are lustrous, malleable and ductile • A metal combined with another element • Superheated liquids in the earths crust • The alloy that is used for silver coins • Another type of metal extraction by heat • ...
Chemistry Crossword 2014-11-24
Across
- The ability of something to float
- Particles with no charge
- The occurrence when an atom is atracted or repelled to/against each other
- A material that is bendable
- The tempature that makes a solid turn into a liquid
- The resistance (or thickness) to flow in a liquid
- Special features,traits, and/or attributes of materials found in the universe
- The tempature when a gas becomes a liquid
- The tempature that makes a liquid turn into a gas
- A material that can be changed into a different shape without breaking
- An object can be changed into a wire if it has ___________
- Water molecules special bond that helps them stick together is called ___________
- When a solid turns directly into a gas without going through the liquid state
- Water atoms that are going crazy with all kinds of energy
Down
- Replacing matter with another kind of matter
- Positivly charged particles
- The tempature that makes a liquid turn into a solid
- People that lived a long time ago and mixed chemicals together to see what would happen were called ______________
- This word means how shiny something is
- This is a property of matter that tells us how much matter is inside something
- A state of matter that is free to flow but has a specific volume
- A state of matter with particles that don't have a specific volume or shape
- A solid without shape
- Two differnt elements combined to make something new
- How much mass is in a certain volume of matter
- Negativly charged particles
- An atom that does not have the right number of electrons
- The amount of space something takes up is called _________
- Liquid atoms that have changed into a gas
- The smallest chemical unit of matter known to man
30 Clues: A solid without shape • Particles with no charge • Positivly charged particles • A material that is bendable • Negativly charged particles • The ability of something to float • This word means how shiny something is • The tempature when a gas becomes a liquid • Liquid atoms that have changed into a gas • Replacing matter with another kind of matter • ...
Chemistry Crossword 2014-11-07
Across
- Without it you pretty much die
- New substance produced in a chemical reaction
- Takes place when two or more substances react to create a new one
- John Dalton's model
- Most explosive element on the periodic table
- When a metal and non-metal combine
- Positive particle in the nucleus of an atom
- The smallest part of an element
- Releases energy
- Change in appearance or state
- Negative particle that orbits the nucleus in an atom
- Slow chemical change that occurs when oxygen reacts with a metal
- This element is found in many swimming pools
- Absorbs energy
Down
- _________+ Oxygen= H20
- It is present in bananas
- Chemical reaction that takes place in cells
- First scientist to organize the elements into a chart
- Element that has metallic and non-metallic properties
- table in which the elements are organized
- Chemical reaction that occurs when oxygen reacts with a substance
- Substance that helps a chemical reaction proceed more quickly
- Aurum is another name for this element
- Most reactive non-metals
- Neutral particle in the nucleus of an atom
25 Clues: Absorbs energy • Releases energy • John Dalton's model • _________+ Oxygen= H20 • It is present in bananas • Most reactive non-metals • Change in appearance or state • Without it you pretty much die • The smallest part of an element • When a metal and non-metal combine • Aurum is another name for this element • table in which the elements are organized • ...
Chemistry Crossword 2014-11-07
Across
- releases heat energy.
- a table in which the elements are organized by their physical and chemical properties.
- a change where two or more substances react to create a new substance.
- a mixture of two or more pure substances that look like one.
- number of protons in the nucleus in one atom of an element.
- mass of one atom or an element.
- absorbs heat energy.
- a substance that reacts with another substance or substances in a chemical reaction to create a new substance with different products or properties.
Down
- substance that helps speed up a chemical reaction.
- a combination of pure substances, not a compound.
- a chemical reaction that occurs when oxygen reacts with a substance to form a new substance, the process is fast.
- group one elements in the periodic table.
- a substance made up of only one kind or matter, which has a unique set of properties.
- a pure substance that cannot be broken down into other substances, only one type of atom.
- a change that results when two or more substances react to create a different substance.
- a change in appearance or state of a substance that does not change composition.
- an experiment in which all the reactants and all products of a chemical reaction are accounted for.
- a cloudy mixture where tiny particles of one substance are held within another and the particles cannot be separated out of the other substance.
- chemical combination of two or more elements in a specific ratio.
- a new substance produced in a chemical reaction between reactants.
- an atom or a group of atoms that has become electrically charged because it has lost or gained electrons.
- group 17 elements on the periodic table.
- is a slow chemical change that occurs when oxygen in the air reacts with a metal.
- an experiment in which one or more products of a chemical reaction can escape.
24 Clues: absorbs heat energy. • releases heat energy. • mass of one atom or an element. • group 17 elements on the periodic table. • group one elements in the periodic table. • a combination of pure substances, not a compound. • substance that helps speed up a chemical reaction. • number of protons in the nucleus in one atom of an element. • ...
Chemistry Crossword 2014-11-07
Across
- An enzyme found in plant and animal cells.
- The smallest part of an element that is representative of that element.
- Invisible negatively charged particle that orbits the nucleus of an atom.
- Vertical column of elements in the table.
- Produced when two non-metals are combined.
- Can be in-between metals and non-metals.
- Produced when a metal and non-metal are combined.
- Positively charged particle in the nucleus of an atom.
- Came from the Greek word,"khemia" meaning juice of a plant.
- Positive charges.
- The number that represents the amount of atoms in a chemical formula.
- Substances that start a reaction.
- The positive charged centre of an atom.
- A chemical change, which releases heat energy
Down
- Anything that has mass and occupies space.
- Substance(s) created by a reaction.
- A slow chemical reaction in which the metal is decomposed when it reacts with oxygen.
- Group 9, period 6.
- Neutral particle in the nucleus of an atom.
- The speed of a chemical reaction.
- Measure of atomic mass; (amu).
- Group 15, period 7.
- An organic catalyst.
- Horizontal row of elements in the periodic table.
- Most reactive non-metals.
25 Clues: Positive charges. • Group 9, period 6. • Group 15, period 7. • An organic catalyst. • Most reactive non-metals. • Measure of atomic mass; (amu). • The speed of a chemical reaction. • Substances that start a reaction. • Substance(s) created by a reaction. • The positive charged centre of an atom. • Can be in-between metals and non-metals. • Vertical column of elements in the table. • ...
chemistry lab 2014-11-08
Across
- positively charged center of an atom
- description of a solid that can be stretched into a long wire
- slow chemical change that occurs when oxygen in air reacts with metals
- Change a change in where 2 or more substances react to create a new substance with completely different properties
- vertical column of elements in the periodic table
- Metals group 1 in the periodic table, not including hydrogen
- dull, brittle element that does not conduct electricity
- Solution a solution in which water is the solvent
- Formula combination of symbols that represent a compound
- Number number of protons in the nucleus of one atom of an element
- change of state from a solid to a liquid
- Gases group 18 in the periodic table
- combination of pure substances
- an atom that has become electrically charged
- System an experiment in which all reactants and all products of a chemical reaction are accounted for
Down
- amount of mass in a given volume of a substance
- anything that has mass and occupies space
- change of state from a gas to a solid
- substance that helps a chemical reaction to proceed more quickly
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- description of a substance that can be rolled or pounded into sheets
- group 17 in the periodic table of elements
- chemical combination of two or more elements in a specific ratio
- pure substance made up of only one type atom
- Mass mass of one element of an atom
25 Clues: combination of pure substances • positively charged center of an atom • Mass mass of one element of an atom • Gases group 18 in the periodic table • change of state from a gas to a solid • change of state from a solid to a liquid • anything that has mass and occupies space • group 17 in the periodic table of elements • pure substance made up of only one type atom • ...
Chemistry Crossword 2014-11-06
Across
- change of state from solid to a gas
- positively charged centre of an atom; contains protons and neutrons
- chemical reaction that absorbs energy
- property that describes the physical appearance and composition of a substance
- refers to three common states in which matter can exist: solid, liquid, and gas
- dull,brittle element that does not conduct electricity
- cloudy mixture in which tiny particles of one substance are held within one another, and the particles can be separated out
- positively charged particle in the nucleus of an atom
- a table in which the elements are organized by their physical and chemical properties
- group 17 elements in the periodic table; the most reactive non-metals
- change of state from a solid to a liquid
- substance that helps a chemical reaction to proceed more quickly
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
- a system of easy-to-see warning symbols on hazardous materials
- group 1 element in the periodic table, not including hydrogen; most reactive of the metals
- element that has both metallic and non-metallic properties
Down
- characteristic that describes a particular substance
- pure substance formed when at least one metal and one non-metal combine
- homogeneous mixture; mixture of two or more pure substances that looks like one substance
- combination of symbols that represent a compound
- characteristics that can be used to describe a substance
- an experiment in which one or more products of chemical reaction can escape
- the smallest part of an element that is representative of the element
- is anything that has mass and occupies space
- fourth state of matter
25 Clues: fourth state of matter • change of state from solid to a gas • chemical reaction that absorbs energy • change of state from a solid to a liquid • is anything that has mass and occupies space • combination of symbols that represent a compound • characteristic that describes a particular substance • positively charged particle in the nucleus of an atom • ...
Chemistry Crossword 2014-11-06
Across
- the amount of heat needed to raise the temperature of one gram of water by one degree Celsius
- function property that does not depend in any way on the system's past or future; only on the present
- includes everything else in the universe
- a derived unit of energy in the international system of units
- takes the shape and volume of its container
- heat flow into a system
- anything that has mass and takes up space
- the study of the flow or exchange of energy
- the measure of gravitational pull on an object
- definite shape and volume
Down
- the amount of space that matter takes up
- a measure of the average kinetic energy of particles in matter
- the measurable amount of matter
- takes shape of container but has definite volume
- a measure of randomness or disorder in a system
- energy transferred between objects by electromagnetic waves
- the capacity to do work or produce heat
- energy due to motion
- energy flow out of a system
- part of the universe on which we wish to focus attention
- form of energy transferred between two objects due to a temperature difference between them
21 Clues: heat flow into a system • definite shape and volume • energy due to motion • energy flow out of a system • the measurable amount of matter • the capacity to do work or produce heat • the amount of space that matter takes up • includes everything else in the universe • anything that has mass and takes up space • takes the shape and volume of its container • ...
chemistry crossword 2014-11-06
Across
- of or relating to chemistry or the interactions of substances as studied in chemistry
- gas any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table
- new substances produced in a chemical reaction between reactants
- rapid chemical combination of a substance with oxygen, involving the production of heat and light
- is poisonous an can kill you
- change Substances often undergo changes that make them have a dramatically different appearance even though the chemical composition of the substance remains unchanged
- a substance that takes part in and undergoes change during a reaction
- gas is a substance that is a gas at normal room temperature and pressure, and is contained under pressure, usually in a cylinder
- element that has both metallic and non-metallic properties
- mass the mass of an atom of a chemical element expressed in atomic mass units
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- a mathematical relationship or rule expressed in symbols
Down
- a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- is a column of elements in the periodic table of the chemical elements
- is tending to cause corrosion
- (of a reaction or process) accompanied by or requiring the absorption of heat
- a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
- compound A compound which is held together by ionic bonds
- a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g., iron, gold, silver, copper, and aluminum, and alloys such as brass and steel)
- (of a compound) formed from its constituent elements with a net release of heat
- is the name given to a horizontal row of the periodic table
- any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table
- 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
24 Clues: is poisonous an can kill you • is tending to cause corrosion • a mathematical relationship or rule expressed in symbols • compound A compound which is held together by ionic bonds • element that has both metallic and non-metallic properties • is the name given to a horizontal row of the periodic table • ...
Chemistry Crossword 2014-11-04
Across
- cloudy mixture that cannot be separated
- solids at a room temperature
- pounded or rolled into sheets
- gas to liquid.
- stands for workplace Hazardous Materials Information System
- liquid to gas
- can be in between metals and non-metals
- an element is defined by the number of protonsit has.
- a substance that reacts with another substance
- most reactive non-metal
- most stable and unreactive
- chemical combination of two or more elements
- characteristics that can be used to describe a substance
Down
- comes from a Greek word Khemeia , meaning juice of plant.
- metal + non metal, high melting point
- when 2 non-metals combine
- cloudy mixture that can be separated.
- anything that has mass occupies space.
- made up of two or more substances combined together
- substance made up of only one type of atom.
- the average mass of an element in atomic mass units.
- mixture of two or more pure substances that looks like one substance
- most reactive, especially in air and water
- a chemical change, which absorbs heat energy
- a new substance produced in a chemical reaction between reactants
25 Clues: liquid to gas • gas to liquid. • most reactive non-metal • when 2 non-metals combine • most stable and unreactive • solids at a room temperature • pounded or rolled into sheets • metal + non metal, high melting point • cloudy mixture that can be separated. • anything that has mass occupies space. • cloudy mixture that cannot be separated • can be in between metals and non-metals • ...
Chemistry Crossword 2014-08-03
Across
- R - NH2
- with double and triple bonds
- Benzene w/ Alcohol
- atom with net electric charge
- CnH2n
- High Stretch Fiber
- Bromine-Bromo , Iodine-______
- Artificial Flavorings
- replacement of an atom group in a compound by another atom
- when added, becomes polymer
- 1,2 in Benzene
- "Silly Puddy"
- Adding Hydrogen
- H2O
- Chloride: PVC
- Cl
- CnH2n + 2
Down
- Property of Ketone
- Super strong plastic
- 1,3 in Benzene
- Negative Ion
- 1,4 in Benzene
- Not Organic
- Teflon
- CH3 - CH2 - CH3
- Property of Naturqal Polymer
- Used in making fiber
- Negative Ion
- without double and triple bonds
- Product of Polysterene
- glyceryl trioleate
- Sollvent
- Removal of Hydrogen
- Made up of Monomers
- Density Polyethylene: LDPE
- Reaction: Occurs in Polymerization
36 Clues: Cl • H2O • CnH2n • Teflon • R - NH2 • Sollvent • CnH2n + 2 • Not Organic • Negative Ion • Negative Ion • "Silly Puddy" • Chloride: PVC • 1,3 in Benzene • 1,4 in Benzene • 1,2 in Benzene • CH3 - CH2 - CH3 • Adding Hydrogen • Property of Ketone • Benzene w/ Alcohol • High Stretch Fiber • glyceryl trioleate • Removal of Hydrogen • Made up of Monomers • Super strong plastic • Used in making fiber • Artificial Flavorings • ...
Chemistry crossword 2013-07-21
Across
- amount of material contained in a body
- is an ion that is negatively charged, and is attracted to the cathode (negative electrode) in electrolysis
- Table/ systematic arrangement of known elements based on increasing atomic number
- smallest estimated value from the device
- German who contributed in the development of the periodic table in 1829
- it a non-metal that behaves like a metal
- measure of the pull of gravity of Earth
- a process of comparing something with a standard (devices) to see how many times as big it is with a standard
- element that is best for conducting heat and electricity
- Gravity/ ratio of the weight of a substance to the weight of equal volume of water
- English man who contributed the Law of Octave in 1865
- property of metals wherein they're able to be drawn to wire or sheets
- Latin name for Ag
- group of the horizontal rows int he periodic table
- the ratio of the mass of a substance per unit volume
Down
- he focused on the chemical properties of the elements and his contribution to the periodic table is superior
- Number/ it is the identity of the element; refers to the # protons and electrons
- Molecular Theory/ this theory stated that when the volume increases the density becomes smaller
- phenomenon wherein a substance can behave as acid or base at the same time
- composition is variable; easily separated
- refers to the hotness or coldness of a substance
- property of metals that can be hammered into thin sheets
- smallest exact digit or line which is taken directly from the instrument or device
- simplest form of substance
- metals/ group of metals where Silver, Gold and copper can be made to coins or jewelries
- is anything that has mass and volume
- group of the vertical rows in the periodic table
- French man who contributed the Helix in 1889
- is an ion, which has a net positive charge, is attracted to the anode (positive electrode) in electrolysis
- consisting of 2 or more elements but in a definite ratio
- substance/ single component; constant composition
31 Clues: Latin name for Ag • simplest form of substance • is anything that has mass and volume • amount of material contained in a body • measure of the pull of gravity of Earth • smallest estimated value from the device • it a non-metal that behaves like a metal • composition is variable; easily separated • French man who contributed the Helix in 1889 • ...
Madein Chemistry 2013-07-24
Across
- gives meaning to the process
- the person who ridiculed Newland
- designated by roman numeral
- amount of space matter occupies
- most abundant isotope
- borderline elements
- smallest estimated value from the device
- element that was used to misplaced by Mendeleev's periodic table
- smallest exact digit line w/c is taken directly from the device
- a pure substance that cannot be broken down into simpler substances by chemical reaction
- anything that mas mass and volume
- a process of comparing something with a standard devices to see how many times as big it is with standard
- He was considered superior during his time
- A substance that will neutralise an acid is called a base.
- numerical value are equal
- ionic compounds composed of anions and cat ions
- chemically bonded number of atoms that are electrically neutral
- A molecule or ion that sticks to the central atom in a complex.
Down
- building block of nucleon
- invented the law of octave
- a positive unit or subatomic particle that has a positive charge
- particle with the same mass as fundamental particle but of opposite charge
- phenomenon wherein a substance can behave as acid or base at the same time
- A mixture of two metals.
- Figures refers to the number of exact digits and one digit w/c is estimated
- any operation involving uncertain digit
- the only particle of the atom responsible for chemical reaction
- amount of matter in a body
- massive part of the atom
- also called as absolute
30 Clues: borderline elements • most abundant isotope • also called as absolute • A mixture of two metals. • massive part of the atom • building block of nucleon • numerical value are equal • invented the law of octave • amount of matter in a body • designated by roman numeral • gives meaning to the process • amount of space matter occupies • the person who ridiculed Newland • ...
Chemistry Fun 2013-09-17
Across
- a force that measures the pull on mass by gravity
- Gaseous state of a substance that is usually solid or liquid
- Simplest form of matter
- Measure of how close a series of measurements are to another
- Indefinite shape but has a definite volume
- A substance produced in the reaction
- Another name for a homogenous mixture
- Substance present at the start of a reaction
- Measure of the space occupied by an object
- Definite shape and volume
- Quantity with both a number and a unit
- Separates a liquid from a solid
Down
- Physical blend of two or more components
- Used to describe a sample with a uniform composition
- How hot or cold an object is
- Substance that contains two or more elements
- Liquid is boiled to produce a vapor
- Basic unit of SI unit for mass
- Indefinite shape and volume
- Measure of how close a measurement is to the true value
20 Clues: Simplest form of matter • Definite shape and volume • Indefinite shape and volume • How hot or cold an object is • Basic unit of SI unit for mass • Separates a liquid from a solid • Liquid is boiled to produce a vapor • A substance produced in the reaction • Another name for a homogenous mixture • Quantity with both a number and a unit • Physical blend of two or more components • ...
Organic Chemistry 2013-09-18
Across
- organic compounds formed by reaction between alcohols and acids
- …… group is the part of an organic molecule responsible for its chemical reactions
- compound that contains only hydrogen and carbon
- hydrocarbon with carbon atoms joined in straight or branched chains
- technique of condensing vapours and returning the condensate to the original system
- process of boiling a liquid, condensing and collecting the vapour
- simplified organic formula with the hydrogen atoms removed
- …… are saturated straight-chained hydrocarbons with single C-C bonds only
- an atom which is attracted to an electron-deficient centre and donates a pair of electrons
- type of formula e.g. CH3CH2CH3
- substance that increases the rate of a reaction without being used up in the process
- molecule composed of 6 carbon atoms joined in a ring, with 1 hydrogen atom attached to each carbon atom
Down
- reaction where a reactant is added to an unsaturated molecule to make a saturated molecule
- molecules with the same molecular formula but with different arrangements of the atoms
- an atom which is attracted to an electron rich centre and accepts a pair of electrons
- organic molecule CH3(CH2)4CH3
- unsaturated hydrocarbons that contain one or more double C-C bonds
- acid consisting of R-COOH, where R is some monovalent functional group
- hydrocarbon containing at least one carbon-to-carbon doulble bonds
- long molecular chain built up from monomer units
- hydrocarbon with only single bonds
- species with an unpaired electron
- organic compound in which the hydroxyl functional group (-OH) is bound to a carbon atom
23 Clues: organic molecule CH3(CH2)4CH3 • type of formula e.g. CH3CH2CH3 • species with an unpaired electron • hydrocarbon with only single bonds • compound that contains only hydrogen and carbon • long molecular chain built up from monomer units • simplified organic formula with the hydrogen atoms removed • organic compounds formed by reaction between alcohols and acids • ...
Chemistry Project 2013-10-18
Across
- / A class of chemical element which have a characteristic shiny appearance and are good conductors of heat and electricity.
- / The solid substance that has dissolve in liquid to form a solution.
- / Toxic metal that can cause learning difficulties in children.
- / A common natural gas that is contain in your fart.
- / A from of calcium carbonate (CaCO3)
- / Atom of the same element which have different numbers of neutrons in their nuclei.
- / Sources of energy and other resources which cannot run out.
- / Substance which increases the rate of a chemical reaction.
- / When liquid changes to gas.
- Cycle / The system by which nitrogen and its compound are interchanged.
- / A substance formed by the chemical combination of two or more elements in fixed proportions.
- / Separating a liquid from a solution.
- Cycle / Natural cycle by which rocks are possibly changed into another type of rock by conditions of temperature and pressure.
- / Semi-metal.
- / A vertical column of the periodic table containing elements with similar properties.
- Fuel / It is form from the buried remains of plants and animals.
- / A chemical reaction in which a compound is made from its elements.
- / A state of matter that has a definite shape.
- / Materials we get from the environment to meet our needs.
- / _________ is the process in which plants take in C02 and convert it to sugar.
- / Our favorite food ;)
- / The ________ is measured by a thermometer.
- / U.
- - Metal / A class of chemical element that are typically poor conductors of heat and electricity.
- / H20
- / A horizontal row of the periodic table.
- / First element in the periodic table.
- / The separation of a solid from a liquid, using a fine filter paper which does not allow the solid to pass through.
- / Water is a type of this state of matter.
- / NH3
- / Substance that can be used as a source of energy.
- / Changes of physical state from liquid to solid.
Down
- / Anything which occupies space and has mass.
- / Changes of physical state from solid to liquid.
- / Most reactive group of non-metals.
- / Seawater is made drinkable by ________.
- / Harmful effect of human activity and waste.
- Rain / Rain which has been made more acidic than normal.
- / The liquid that dissolves the solid solute to form a solution.
- / Paper ________ was used to separate solutions of coloured substance.
- / Creator of the periodic table.
- / A type of chemical reaction where a compound breaks down into simpler substances.
- / Liquéfaction.
- / A word used to describe the property that metals that can be drawn out and stretched into wires.
- Dioxide / Composes 0.04% of the atmosphere.
- / Type of rock that cover three - quarters of the land surface.
- / A subatomic particle that is located in energy levels outside the nucleus.
- / Source of life.
- / Zr.
- / A direct change of state from solid to gas or gas to solid.
- / A substance which can't be further divided into simpler substances like chemical methods.
- / Type of rock form by heat and pressure changing existing rocks.
- / A process in which heat energy is produced and released to the surrounding.
- / P.
- / Composes 21% of the atmosphere.
- / A word used to describe the property that metals can be bend and beaten into sheets.
- / Mixtures of elements design to have the properties useful for a particular purpose.
- / Xe
- / Type of rock form by solidification of melted minerals.
- / A state of matter that doesn't have a fix volume.
60 Clues: / U. • / P. • / Xe • / Zr. • / H20 • / NH3 • / Semi-metal. • / Liquéfaction. • / Source of life. • / Our favorite food ;) • / When liquid changes to gas. • / Creator of the periodic table. • / Composes 21% of the atmosphere. • / Most reactive group of non-metals. • / A from of calcium carbonate (CaCO3) • / Separating a liquid from a solution. • / First element in the periodic table. • ...
Chemistry Crossword 2013-10-06
Across
- A law stating that at constant temperature the volume of gas is inversely proportional to the pressure.
- Refers to the weight in grams of a substance or solution which supply one reacting unit
- Reactions in which transfer of electrons takes place.
- A homogenous mixture of two or more substances where
- The one in the greater quantity
- Also called synthesis. The reaction in which two or more substance combine
- Reaction in which single substance break down into two or more substance.
- A chemical reaction that absorbs heat.
- determined by the number of electrons the atom will lose, gain, or share
- A device used for temperature measurements.
- Indicator that detects Acid, Base or Neutral
- it is the smallest exact value
- A flask that is very accurate for volume measurement..
- Having the characteristics of an acid and a base.
Down
- Refers to the #- g. equivalent weight per liter.
- The other in less quantity
- These are liquids which can’t be separated, they co-distill one another.
- This is the process of separating liquid mixtures.
- It is the strength of the solution.
- This is the process of separating colors.
- A law stating that matter can neither be created nor destroyed but can be converted from one form to another.
- Refers to the number of moles of solute per kg. of solution
- Reaction that do not involve any change in valence or oxidation state
- Process in which a solid becomes a gas.
- A Change that alters the composition of a substance.
- A physical property of solution that depends quantitatively upon the number of particles of solute present in a solution
- A chemical reaction that release heat at the time of their occurrence
- A type of flame that has an incomplete combustion.
- it is the smallest estimated value
- refers to the Number of mole of solute per liter.
30 Clues: The other in less quantity • it is the smallest exact value • The one in the greater quantity • it is the smallest estimated value • It is the strength of the solution. • A chemical reaction that absorbs heat. • Process in which a solid becomes a gas. • This is the process of separating colors. • A device used for temperature measurements. • ...
chemistry vocabulary 2013-10-10
Across
- any of the gases in group O (18) of the periodic table
- samples of a pure compound always contain the same elements
- a table of chemical elements arranged in order of atomic number
- an elementary particle that is a fundamental constituent of matter
- the integer number nearest in value to the atomic weight of an atom and equal to the number of nucleons
- molecules composed only of two metals
- any element in group 2 of the periodic table
- a positively charged ion
- any element in group 17 of the periodic table
- an ionic species having a negative charge
Down
- an ionic bond is a chemical link between two atoms caused by an electrostatic force
- theory that matter consists of of invisible particles called atoms
- any of two or more forms of a chemical element
- a fundamental group of atoms in a molecule serving as a base
- a positively charged elementary that is a fundamental constituent of all atomic nuclei
- an element whose properties are intermediate between metals and solid non metals
- a representation of a substance using symbols for its constituent elements
- any of the elements in group ia 1 of the periodic table
- the number of positive charges of protons in the nucleus of an atom of a given element
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- any of the set of metallic elements in groups 4-12 of the periodic table
21 Clues: a positively charged ion • molecules composed only of two metals • an ionic species having a negative charge • any element in group 2 of the periodic table • any element in group 17 of the periodic table • any of two or more forms of a chemical element • any of the gases in group O (18) of the periodic table • any of the elements in group ia 1 of the periodic table • ...
Chemistry Vocabulary 2015-06-15
Across
- A compound that taste sour, corrodes metals and tissue, and turns blue litmus paper red
- A group of letters and subscript numbers that represent the make-up of a chemical compound
- A change in matter that produces new substances with new properties
- A compound that taste bitter, has a slippery texture, corrodes tissue, and turns red litmus paper blue
- A type of chemical reaction in which the metal ions of two different compounds exchange places
- An equation that uses chemical symbols to represent reactants and products in a chemical reaction
- Non-toxic base that is used to neutralize stomach acid; relieves the pain of excess stomach acid (acid reflux or heartburn)
- A substance that changes colour when added to an acid or a base
- A type of reaction in which one compound breaks down into two or more simpler compounds or elements
Down
- A type of chemical reaction in which one element takes the place of another element in a compound
- Represents a chemical reaction using coefficients (numbers in front of the reactants and products) that tell you how much of the reactants are used and how much of the products are made
- Substances that react together in a chemical reaction
- New substances produced in a chemical reaction
- A chemical reaction in which two or more reactants combine to produce a new product
- An atom or a group of atoms that has an electrical charge, either positive or negative
- A scale from 0 to 14 that describes how acidic or basic a substance is
- Reduced in concentration be being mixed with a liquid, such as water
- of mass During a chemical reaction. The total mass and number of atoms of the reactants equal to total mass and number of atoms of the products
- A chemical reaction between an acid and a base that “neutralizes” their acidic and basic properties
- Uses words instead of chemical formulas to describe what happens to reactants and products during a chemical reaction
20 Clues: New substances produced in a chemical reaction • Substances that react together in a chemical reaction • A substance that changes colour when added to an acid or a base • A change in matter that produces new substances with new properties • Reduced in concentration be being mixed with a liquid, such as water • ...
Chemistry Vocabulary 2015-06-16
Across
- A compound that taste sour, corrodes metals and tissue, and turns blue litmus paper red
- Substances that react together in a chemical reaction
- A compound that taste bitter, has a slippery texture, corrodes tissue, and turns red litmus paper blue
- A scale from 0 to 14 that describes how acidic or basic a substance is
- A type of chemical reaction in which the metal ions of two different compounds exchange places
- An atom or a group of atoms that has an electrical charge, either positive or negative
- A chemical reaction in which two or more reactants combine to produce a new product
- New substances produced in a chemical reaction
- A group of letters and subscript numbers that represent the make-up of a chemical compound
- Uses words instead of chemical formulas to describe what happens to reactants and products during a chemical reaction
- A change in matter that produces new substances with new properties
Down
- A type of chemical reaction in which one element takes the place of another element in a compound
- A substance that changes colour when added to an acid or a base
- A type of reaction in which one compound breaks down into two or more simpler compounds or elements
- Represents a chemical reaction using coefficients (numbers in front of the reactants and products) that tell you how much of the reactants are used and how much of the products are made
- During a chemical reaction. The total mass and number of atoms of the reactants equal to total mass and number of atoms of the products
- An equation that uses chemical symbols to represent reactants and products in a chemical reaction
- A chemical reaction between an acid and a base that “neutralizes” their acidic and basic properties
- Reduced in concentration be being mixed with a liquid, such as water
- Non-toxic base that is used to neutralize stomach acid; relieves the pain of excess stomach acid (acid reflux or heartburn)
20 Clues: New substances produced in a chemical reaction • Substances that react together in a chemical reaction • A substance that changes colour when added to an acid or a base • A change in matter that produces new substances with new properties • Reduced in concentration be being mixed with a liquid, such as water • ...
Chemistry Matters! 2015-08-31
Across
- Physical properties can be observed or measured without changing the composition of matter.
- Digits that carry meaning. Critical when reporting scientific data because they give the reader an idea of how well you could actually measure/report your data.
- A conclusion reached on the basis of evidence and reasoning.
- Information or data that describes color, odor, shape, or some other physical characteristic
- Properties that do not depend on the amount of the matter present.
- A level of individual particles that make up matter can be observed.
- A mixture in which the uneven texture of the material can be detected.
- Refers to the closeness of the measurements to the correct accepted value
- Pure substances composed of two or more different elements held together by chemical bonds.
- The action or process of noticing something or someone carefully or in order to gain information.
- A property used to characterize materials in reactions that change their identity.
- Very small pieces of solid are spread through a liquid but do not dissolve
Down
- Has no definite shape or volume. Can expand to fill the container they are in and can be compressed.
- A mixture that consists of two or more substances in the same phase. They are often called solutions.
- Have definite volume but take the shape of the container. The particles move just fast enough to overcome some of the attraction between each other.
- The way that scientists easily handle very large numbers or very small numbers.
- This information is shown numerically. Often used to show data involving temperature, pressure, volume, and quantity of chemical formed.
- Composed of one type of atom
- This is an intrinsic property that is measured g/mL.
- Characteristics of properties observed by unaided human senses.
- The smallest particle of an element that retains the characteristic chemical properties of that element.
- Expressed as a percentage the difference between an approximate or measured value and an exact or known value.
- Properties that do depend on the amount of matter present.
- Refers to the closeness of a set of measurements to the correct accepted value of the quantity measured.
- Has definite shape and volume. The particles vibrate because they do not move fast enough to vibrate.
- A homogeneous mixture composed of only one phase.In such a mixture, this is a substance dissolved in another substance.
- A substance in which one substance of microscopically dispersed insoluble particles is suspended throughout another substance.
- Forms when temperature of a gas is extremely high and its particles are positively and negatively charged. It conducts electric current and are affected by magnetic fields.
28 Clues: Composed of one type of atom • This is an intrinsic property that is measured g/mL. • Properties that do depend on the amount of matter present. • A conclusion reached on the basis of evidence and reasoning. • Characteristics of properties observed by unaided human senses. • Properties that do not depend on the amount of the matter present. • ...
Bio- chemistry 2015-09-21
Across
- molecule that can be bonded, from a polymer.
- protein- movement such as proteins, help control contractions.
- protein amount of sugar that's in the blood.
- reaction- transformation of one molecule to another molecule.
- release of heat.
- a very large number of atoms and protein.
- absorption of heat.
- large numbers of similar units bonded together.
- bonding- attraction between to atoms.
- protein- support of connective tissue(finger nails)
- acid- DNA OR RNA.
- process of breaking food down.
- organic compounds consit of larger molecules( hair and nails)
Down
- protein- parts of the body to be used by cells in cellular respiration.
- acid
- living organism to maintain life.
- large group of organic compounds occurring in foods.
- energy- quantity of energy that the reacting species must posses.
- protein- protein that breaks down food into digestive.
- unit of nucleic acid.
- acids- organic compound containing carboxyl.
- substance produced by a living organisms that acts like a biochemical.
- molecule that decreases its activity.
- class of organic compounds that are fatty acids.
24 Clues: acid • release of heat. • acid- DNA OR RNA. • absorption of heat. • unit of nucleic acid. • process of breaking food down. • living organism to maintain life. • molecule that decreases its activity. • bonding- attraction between to atoms. • a very large number of atoms and protein. • molecule that can be bonded, from a polymer. • protein amount of sugar that's in the blood. • ...
Chemistry crossword 2015-11-17
Across
- Vertical column of elements in the periodic table
- Neutral particle in a nucleus of an atom
- Hydrogen Symbol
- An experiment in which is one or more products of a chemical reaction can escape
- A reaction that takes place when two or more substances form new substances
- Dull, Brittle element that does not conduct electricity.
- Change that results when two or more substances react to create a different substance or substances
- Smallest part of a element
- something that resists electricity
- Invisible negatively charged particle that orbits the neclues of an atom
- Water's chemical formula
- Change of state from liquid to solid
- Gold Symbol
- The most reactive element
- Group 1 elements in the periodic table. Not including oxygen
Down
- Combining of pure substance
- reaction Chemical reaction that absorbs energy
- A compound made from a non-metal and a non-metal
- Change of state from solid to liquid
- orbit of electrons around the nucleus of an atom
- Number of protons in a nucleus
- Slow chemical change that occurs when oxygen in the air reacts with metal
- Gases least reactive non metal
- Gas, Solid and Liquid
- Potassium Symbol
25 Clues: Gold Symbol • Hydrogen Symbol • Potassium Symbol • Gas, Solid and Liquid • Water's chemical formula • The most reactive element • Smallest part of a element • Combining of pure substance • Number of protons in a nucleus • Gases least reactive non metal • something that resists electricity • Change of state from solid to liquid • Change of state from liquid to solid • ...
Chemistry Crossword 2015-11-17
Across
- An attribute, quality, or characteristic of something
- A scientific theory which states that matter is composed of discrete units called atoms
- When two or more substances react to form a new substance,the new substance has different properties
- Created my the gain or loss of electrons
- The number of protons and electrons in the element
- A table in which elements are organized by their physical and chemical properties
- Carries a negative charge
- A substances that is only made up of one type of Atom
- When a material changes state, or appearance, but doesn't change its composition
- Workplace Hazardous Material Information System
- Substance that is produced in the reaction
- Substances that start a chemical reaction
Down
- The average mass of an element,also known as the atomic mass unit
- The release of heat
- Smallest part of an element, that contains protons,neutron,being held together by the neutron,with electrons orbiting around.
- A formula that identifies the element in a compound and the amount in each element
- Made up of protons and neutrons
- The absorption of Heat
- A law that explains that matter cannot be created nor destroyed
- Carries no charge
- A pure substance formed when 1 metal and 1 non-metal combine
- Carries a positive charge
- When 2 or more elements combine
- When 2 non-metals combine and create a pure substance
- Anything that has mass or occupies space
25 Clues: Carries no charge • The release of heat • The absorption of Heat • Carries a negative charge • Carries a positive charge • Made up of protons and neutrons • When 2 or more elements combine • Created my the gain or loss of electrons • Anything that has mass or occupies space • Substances that start a chemical reaction • Substance that is produced in the reaction • ...
Chemistry Crossword 2015-11-17
Across
- Pure substance formed when at least one metal and one non-metal combine.
- 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.
- Group 18 elements in the periodic table; the most stable and unreactive elements.
- New substance produced in a chemical reaction between reactants.
- Chemical reaction that absorbs energy; example cold pack.
- Pure substance formed when non-metals combine.
- A pure substance that cannot be broken down into other substances; the substance is made up of only one type of atom.
- Metals Group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals.
- Number of protons in the nucleus of one atom of an element.
- Group of atoms acting as one (for example, carbonate or CO32-).
Down
- Principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants.
- Substance that helps a chemical reaction to proceed more quickly.
- Description of a solid that can be stretched into a long wire.
- Change that results when two or more substances react to create a different substance or substances and the new substances have completely different properties from the original ones.
- Change in the appearance or state of a substance that does not change the composition.
- Chemical reaction that releases energy; example fire.
- A reaction that takes place when two or more substances react to form new substances.
- Mass of one atom of an element calculated from the total number of protons, neutrons, and electrons of that atom; measured in amu.
- Anything that has mass and occupies space.
- Description of a substance that can be pounded or rolled into sheets.
- Ability of a substance to conduct electricity or heat.
- Substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties.
- Group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals.
- Group 17 elements in the periodic table; the most reactive non-metals.
- Atom that has become electrically charged because it has lost or gained electrons.
25 Clues: Anything that has mass and occupies space. • Pure substance formed when non-metals combine. • Chemical reaction that releases energy; example fire. • Ability of a substance to conduct electricity or heat. • Chemical reaction that absorbs energy; example cold pack. • Number of protons in the nucleus of one atom of an element. • ...
chemistry crossword 2015-11-17
Across
- They are used to describe matter, like colour or conductivity
- Substance that reacts with another substance in a chemical reaction to create new substances with different propeties
- A table in which elements are organized by their physical and chemical properties
- Number of protons in the nucleus of one atom of an element
- States that mass cannot be created or destroyed
- Chemical reaction that absorbs energy
- Pure substance formed when at least one metal and one non-metal combine
- A positively charged particle
- Slow chemical change that occurs when oxygen in the air reacts with a metal
- Occurs when a material changes from one state o another
- Matter which has a specific composition and specific properties / every pure element
- Horizontal row of elements in the periodic table
Down
- Chemical reaction that releases energy
- Vertical column of elements in the periodic table
- Pure substance formed when non-metals combine
- New substance produced in a chemical reaction between reactants
- Mass of one atom of an element
- Pure substance that cannot be broken down into other substances
- Anything that has mass and takes up space
- The most reactive non-metals
- Occurs when two or more materials react and create new materials
- Elements that have both metallic and non-metallic properties
- A system of easy-to-use warning symbols on hazardous materials
- Chemical reaction that occurs when oxygen reacts with a substance to form a new energy and give off energy
24 Clues: The most reactive non-metals • A positively charged particle • Mass of one atom of an element • Chemical reaction that absorbs energy • Chemical reaction that releases energy • Anything that has mass and takes up space • Pure substance formed when non-metals combine • States that mass cannot be created or destroyed • Horizontal row of elements in the periodic table • ...
chemistry crossword 2015-11-17
Across
- Vertical column of elements in the periodic table
- They are used to describe matter, like colour or conductivity
- Slow chemical change that occurs when oxygen in the air reacts with a metal
- New substance produced in a chemical reaction between reactants
- Anything that has mass and takes up space
- Matter which has a specific composition and specific properties / every pure element
- States that mass cannot be created or destroyed
- Horizontal row of elements in the periodic table
- Pure substance formed when at least one metal and one non-metal combine
- Chemical reaction that releases energy
Down
- The most reactive non-metals
- Pure substance that cannot be broken down into other substances
- Occurs when a material changes from one state o another
- A table in which elements are organized by their physical and chemical properties
- Pure substance formed when non-metals combine
- Elements that have both metallic and non-metallic properties
- Number of protons in the nucleus of one atom of an element
- A system of easy-to-use warning symbols on hazardous materials
- Occurs when two or more materials react and create new materials
- Substance that reacts with another substance in a chemical reaction to create new substances with different propeties
- Mass of one atom of an element
- Chemical reaction that occurs when oxygen reacts with a substance to form a new energy and give off energy
- an atom with a neutral charge is one where the number of electrons is equal to the atomic number
- Chemical reaction that absorbs energy
- A positively charged particle
25 Clues: The most reactive non-metals • A positively charged particle • Mass of one atom of an element • Chemical reaction that absorbs energy • Chemical reaction that releases energy • Anything that has mass and takes up space • Pure substance formed when non-metals combine • States that mass cannot be created or destroyed • Horizontal row of elements in the periodic table • ...
Chemistry crossword 2015-11-13
Across
- something that helps speed up the chemical reaction
- positively charged centre of an atom
- a chemical reaction in which heat is abosorbed
- able to form the object to something else without breaking it
- a compound made from a metal and non-metal elements
- a change where a new substance is made
- the most reactive element
- a compound made with 2 non-metal elements
- an experiment in which is one or more products of a chemical reaction can escape
- how well the element or compound is able to conduct electricity
- a group of atoms joined by covalent bonds
- a group of elements that are the most reactive non-metals
- hydogen's symbol
- a combination of pure chemicals
Down
- this is a principle saying that matter cannot be gained or lost in a chemical reaction
- a chemical reaction that releases heat
- chemical combination of 2 ore more elements in a specific ratio
- the metals found in group 1
- an element that has the bot metallic and non-metallic properties
- number the sum of the number of protons and neutrons in an atom
- a change in the appearance.
- water's chemical formula
- a group of non-metal elements that are the most stable
- substance that has a strong resistance to the flow of electricity
- neutral particle in the nucleus of an atom
25 Clues: hydogen's symbol • water's chemical formula • the most reactive element • the metals found in group 1 • a change in the appearance. • a combination of pure chemicals • positively charged centre of an atom • a chemical reaction that releases heat • a change where a new substance is made • a compound made with 2 non-metal elements • a group of atoms joined by covalent bonds • ...
Chemistry crossword 2015-11-13
Across
- group 17 elements in the periodic table;the most reactive non-metals
- combination of pure substances;unlike a compound,the components of a mixture do not combine chemically and are not always in the same ratio
- variations within a species
- 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
- invisible negatively charged particle that orbits the nucleus of an atom
- 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
- substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
- pure substance that cannot be broken down into other substances;substance made up of only one type of atom
- positively charged particle in the nucleus of an atom
- catalyst involved in chemical reactions in living things
- ability to do work
Down
- horizontal row of elements in the periodic table
- positively charged centre of an atom;contains protons and neutrons
- substance that helps a chemical reaction to proceed more quickly
- amount of mass in a given volume of a substance
- element that has both metallic and non-metallic properties
- chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- shiny,malleable,ductile element that conducts electricity
- description of a substance that can be pounded or rolled into sheets
- new substances produced in a chemical reaction between reactants
- group of atoms joined by covalent bonds
- chemical combination of two or more elements in a specific ratio
- neutral particle in a nucleus of an atom
- organic molecules made up of atoms of carbon,hydrogen and oxygen (ex,fats,oils and waxes);lipids are insoluble in water
- vertical column of elements in the periodic table;elements in a family all have similar chemical properties;also called a group
25 Clues: ability to do work • variations within a species • group of atoms joined by covalent bonds • neutral particle in a nucleus of an atom • amount of mass in a given volume of a substance • horizontal row of elements in the periodic table • positively charged particle in the nucleus of an atom • catalyst involved in chemical reactions in living things • ...
chemistry crossword 2016-02-25
Across
- organic catalyst
- negatively charged particle
- horizontal column of the periodic table of elects
- group 18 on the periodic table of elements
- an experiment which all reactants and all products of a chemical reaction are accounted for
- vertical column of elements on the periodic table
- 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 reaction that releases energy
- an element with both metal and non-metal properties
- positively charged particle in the nucleus of an atom
Down
- a solution in which water is the solvent
- chemical combination of two more elements in a specific ratio
- substance made of only one type of matter
- pure substance formed when non-metals mix
- neutral particle the nucleus of an atom
- substance that helps speed up chemical reaction
- chemical reaction that absorbs energy
- change that results when two or more substances react to create a different substance or substances
- a formula of symbols that represent a compound
- an experiment in which one or more products of a chemical reaction can escape
21 Clues: organic catalyst • negatively charged particle • chemical reaction that absorbs energy • chemical reaction that releases energy • neutral particle the nucleus of an atom • a solution in which water is the solvent • substance made of only one type of matter • pure substance formed when non-metals mix • group 18 on the periodic table of elements • ...
chemistry crossword 2015-11-10
Across
- a fourth state of matter
- a change from a liquid to a gas
- compound when two non-metals combine
- when oxygen reacts with a substance to form a new substance and give off energy
- compounds are pure substances consisting of at least one metal and one non-metal
- a change from a gas to a liquid
- have both metallic and non-metallic properties
- the amount of mass in a given volume of substance
- properties used to identify matter ex- color and luster
- point changes from a solid to liquid
Down
- change its appearance or state may be altered,but its composition stays the same
- substances ability to resist being scratched
- substance that help a reaction proceed faster
- is a material that cannot be broken down into any simpler substance
- is the ability of a substance to conduct electricity or heat
- mass is the mass or one atom or an element
- respiration a chemical reaction that takes place in the cells in your body
- chemical reaction that releases heat energy
- a slow chemical change that occurs when oxygen in the air reacts with a metal
- substance that can be pounded or rolled into sheets
- mixture different substances that make up the mixture are visible
- any solid that can be stretched into a long wire
- chemical reaction that absorbs heat energy
- the ability of a substance to be dissolved in another
- point changes from a liquid to a gas
25 Clues: a fourth state of matter • a change from a liquid to a gas • a change from a gas to a liquid • compound when two non-metals combine • point changes from a liquid to a gas • point changes from a solid to liquid • chemical reaction that absorbs heat energy • mass is the mass or one atom or an element • chemical reaction that releases heat energy • ...
Chemistry Crossword 2015-11-19
Across
- A vertical column on the periodic table that have similar properties
- When a nonmetal and a nonmetal combine
- A form of mixture, milk is one example
- A unit used to measure atomic mass
- When two elements join, there are ionic and molecular ones
- Happens to an atom when it losses or gains electrons
- The process of losing heat to turn from a gas to a solid
- A horizontal row on the periodic table
- A physical property calculated by mass divided by volume
- Elements that don’t react much, gases
- A positively charged Elementary Particle that is embedded in the Nucleus
- A pure substance that can’t be separated any more, 118 of them
Down
- Table A table that organizes the elements
- A atom model developed by J.J. Thomson
- The most reactive group of metals on the periodic table
- A neutral charged Elementary Particle that forms part of the Nucleus
- When a metal and a nonmetal with ionic charges combine
- A pseudo science that involved turning things into gold
- Gas to liquid
- The person who created the word atom or atomos
- The person who came up with the current periodic table
- A physical property based on the Moh’s scale
- The core or solid center of an atom
- A negatively charged Elementary Particle that moves in shells around the nucleus
- The fourth state of matter
25 Clues: Gas to liquid • The fourth state of matter • A unit used to measure atomic mass • The core or solid center of an atom • Elements that don’t react much, gases • A atom model developed by J.J. Thomson • When a nonmetal and a nonmetal combine • A form of mixture, milk is one example • A horizontal row on the periodic table • Table A table that organizes the elements • ...
~ Chemistry Crossword ~ 2015-11-19
Across
- they react when exposed to air and water but their reactivity is not as strong as that of the alkali metals.
- Are shiny, malleable, ductile and are good conductors
- Takes place when 2 or more substances combine to form new substances.
- Identifies which elements, and how much of each, are in the compound.
- Chemical reaction that absorbs heat energy
- found in many different types of animal and plant cells, speeds up the breakdown of hydrogen peroxide into harmless oxygen and water.
- is the slow chemical change that occurs when oxygen in the air reacts with a metal
- The new materials produced by the reaction
- Meaning to go and wonder
- have both metallic and non-metallic properties.
- Means below
- without these, many reactions would require much higher temperatures- a situation that would be deadly to the human body.
- common example of corrosion- associated with certain metals (;metal gates, car bumpers etc)
Down
- most reactive metals
- Most reactive non-metals
- Are pure substances formed as a result of the attraction between particles of opposite charges
- sodium bicarbonate
- Horizontal row
- meaning 5
- Is measured by atomic mass unit
- They can be solids, liquids, or gases at room temperature, insulators and or poor conductors of electricity
- are substances that help a reaction proceed faster
- The materials at the start of a reacttion
- Most stable elements
- is a chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy.
25 Clues: meaning 5 • Means below • Horizontal row • sodium bicarbonate • most reactive metals • Most stable elements • Most reactive non-metals • Meaning to go and wonder • Is measured by atomic mass unit • The materials at the start of a reacttion • Chemical reaction that absorbs heat energy • The new materials produced by the reaction • have both metallic and non-metallic properties. • ...
Chemistry Crosswords 2015-11-19
Across
- are shiny, malleable and ductile metallic's.
- is a material that cant be broken down into and simpler substance.
- is a vertical row in the periodic table. Also known as a family.
- is a positive ion.
- are between metals and non-metals.
- is a combination of pure substances.
- is a particle in a element.
- is a positive charged particle.
- is from gas to liquid.
- is when a solid goes to a gas.
- is from liquid to solid.
- is workplace hazardous material information system.
- is a cloudy mixture that can not be separated.
Down
- is anything that has a mass or occupies space.
- is from solid to liquid.
- is when a gas goes to a solid.
- is another positive charged particle.
- are characteristics that can be used to describe a substance.
- is a horizontal row in the periodic table.
- is from liquid to gas.
- is a mixture that looks like a pure substance.
- is a negative ion.
- is more then two elements combined together.
- is a cloudy mixture that can be separated.
- is another word for metal.
25 Clues: is a positive ion. • is a negative ion. • is from liquid to gas. • is from gas to liquid. • is from solid to liquid. • is from liquid to solid. • is another word for metal. • is a particle in a element. • is when a gas goes to a solid. • is when a solid goes to a gas. • is a positive charged particle. • are between metals and non-metals. • is a combination of pure substances. • ...
Chemistry Crossword 2015-11-19
Across
- A combination of pure substances.
- Shiny, malleable, ductile, conduct electricity.
- Negatively charged particles.
- The new materials produced by the reaction.
- Anything on the periodic table.
- A chemical reaction that releases heat energy.
- Liquid to solid.
- Most reactive non-metals.
- Positively charged particles.
- Characteristics that can be used to describe a substance.
- A cloudy mixture that cannot be separated.
- An element that we need to live.
Down
- Gas to solid.
- The materials at the start of a reaction.
- Have both metallic and non-metallic properties.
- Solid to gas.
- A catalyst found in the human body.
- A chemical reaction that absorbs heat energy.
- A substance that help a reaction proceed faster.
- Liquid to gas.
- Anything that has mass and occupies space.
- Solid to liquid.
- A cloudy mixture that can be separated.
- The horizontal rows on the periodic table.
- The vertical rows on the periodic table.
25 Clues: Gas to solid. • Solid to gas. • Liquid to gas. • Liquid to solid. • Solid to liquid. • Most reactive non-metals. • Negatively charged particles. • Positively charged particles. • Anything on the periodic table. • An element that we need to live. • A combination of pure substances. • A catalyst found in the human body. • A cloudy mixture that can be separated. • ...
Chemistry Crossword 2015-11-23
Across
- new substance produced in a chemical reaction between reactants
- chemical reaction that releases heat
- vertical column of elements in the periodic table
- pure substance fromed when non-metals combine
- horizontal row of elements in the periodic table
- substance that reacts with another substance or substances in chemical reaction to create new substance with different properties
- an experiment in which one or more products of a chemical reaction can escape
- pure substance formed when at least one metal and non-metal combine
- reactivity is not as strong as alkali metals
- the most stable and unreactive elements
- group of atoms joined by covalent bonds
- shiny,malleable,ductile element that conducts electricity
- dull,brittle element that does not conduct electricity
Down
- anything that has mass and occupies space
- 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
- chemical reaction that absorbs heat
- neutral particle in the nucleus of an atom
- element that has both metallic and non-metallic properties
- characteristic that describes a particular substance
- a table with elements organized by their physical and chemical properties
- the most reactive non-metals
- an experiment in which all reactants and products of a chemical reaction are accounted for
- positively charged particle in the nucleus of an atom
- the most reactive of the metals
25 Clues: the most reactive non-metals • the most reactive of the metals • chemical reaction that absorbs heat • chemical reaction that releases heat • the most stable and unreactive elements • group of atoms joined by covalent bonds • anything that has mass and occupies space • neutral particle in the nucleus of an atom • reactivity is not as strong as alkali metals • ...
