chemistry Crossword Puzzles
Cooking Chemistry 2024-02-06
Across
- this process creates sweet flavors
- microwave, heat, uh oh nuke
- measures acidity
- discovered by Jacobus Henriues Van’t Hoff
- tenderizes meat and vegetables
- form of heat that transfers through physical contact
- what process makes meat easier to digest?
- seasoning, atomic number 11
- boiling water, cooking soup, heat
- causes bread to be fluffy
Down
- what do whisks, and stand mixers cause
- what do baking powder, and baking soda cause
- boiling water, condensation, matter change
- horse bones are used to promote
- who discovered the Maillard reaction?
- used in breads mostly
- yeast, and vinegar are examples of
- salting meat is an example of
- helps protein denaturation
- incorporated in caramelization, protein denaturation, ect.
20 Clues: measures acidity • used in breads mostly • causes bread to be fluffy • helps protein denaturation • microwave, heat, uh oh nuke • seasoning, atomic number 11 • salting meat is an example of • tenderizes meat and vegetables • horse bones are used to promote • boiling water, cooking soup, heat • this process creates sweet flavors • yeast, and vinegar are examples of • ...
Chemistry Test 2024-10-04
Across
- Apa jenis larutan yang tidak dapat menghantarkan listrik karena tidak adanya ion terlarut?
- Apa partikel bermuatan yang dihasilkan ketika suatu zat elektrolit terdisosiasi dalam larutan?
- Apa faktor yang mempengaruhi besar tekanan osmosis dalam larutan?
- Apa jenis larutan yang dapat menghantarkan listrik karena adanya ion terlarut?
- Apa istilah untuk zat yang terdisosiasi sepenuhnya menjadi ion dalam larutan?
- Apa teknik yang digunakan untuk menentukan konsentrasi zat berdasarkan reaksi redoks?
- Apa sebutan untuk zat yang mengalami reduksi dan menyebabkan oksidasi pada zat lain dalam reaksi redoks?
- Apa proses yang melibatkan penambahan elektron dalam reaksi redoks?
- Apa efek penambahan zat terlarut pada titik beku larutan?
- Apa komponen yang ditambahkan ke dalam pelarut untuk membentuk larutan?
- Apa istilah untuk zat yang hanya terdisosiasi sebagian menjadi ion dalam larutan?
- Apa nama sifat koligatif yang terkait dengan pergerakan air melalui membran semipermeabel?
- Apa efek penambahan zat terlarut pada titik didih larutan dibandingkan dengan pelarut murni?
- Apa faktor yang digunakan dalam perhitungan penurunan titik beku suatu larutan?
- Apa jenis reaksi redoks yang terjadi secara otomatis tanpa bantuan energi dari luar?
- Apa jenis sel yang menggunakan energi listrik untuk memaksa terjadinya reaksi redoks non-spontan?
- Apa nama jenis sel elektrokimia yang menghasilkan listrik dari reaksi redoks spontan?
- Apa metode yang digunakan untuk mengukur kenaikan titik didih larutan?
- Apa istilah yang digunakan untuk menggambarkan rasio mol zat terlarut terhadap jumlah total mol dalam larutan?
- Apa nama singkatan dari reaksi oksidasi dan reduksi yang berlangsung bersamaan?
- Apa metode yang digunakan untuk mengukur penurunan titik beku larutan?
- Apa yang melambangkan kekuatan suatu larutan untuk menarik air dalam sistem osmosis?
Down
- Apa nama benda yang menghantarkan arus listrik di dalam sel elektrokimia?
- apa yang menurun ketika zat terlarut ditambahkan ke pelarut?
- Apa efek dari penambahan zat terlarut pada tekanan uap pelarut murni?
- Di mana proses oksidasi berlangsung dalam sel elektrokimia?
- Apa sebutan untuk sifat larutan yang hanya bergantung pada jumlah partikel zat terlarut, bukan jenis zatnya?
- Apa sebutan untuk nilai yang menunjukkan kecenderungan suatu zat untuk mengalami reduksi dibandingkan dengan elektroda hidrogen standar?
- Apa alat yang digunakan untuk mengukur tekanan osmosis?
- Apa sebutan untuk zat yang mengalami oksidasi dan menyebabkan reduksi pada zat lain dalam reaksi redoks?
- Apa proses yang melibatkan kehilangan elektron dalam reaksi redoks?
- Apa faktor yang digunakan dalam perhitungan kenaikan titik didih suatu larutan?
- Apa nama hukum yang menyatakan bahwa tekanan uap pelarut berkurang sebanding dengan fraksi mol zat terlarut?
- Apa nama alat yang menghasilkan energi listrik dari reaksi kimia atau menggunakan energi listrik untuk memicu reaksi kimia?
- Apa sebutan untuk kemampuan suatu zat dalam menerima elektron dalam reaksi redoks?
- Apa jenis sel elektrokimia lain yang menghasilkan arus listrik dari reaksi spontan?
- Apa satuan konsentrasi yang digunakan dalam perhitungan sifat koligatif yang didasarkan pada jumlah mol zat terlarut per kilogram pelarut?
- Apa sebutan untuk zat yang terurai menjadi ion dalam larutan dan menghantarkan listrik?
- Di mana proses reduksi berlangsung dalam sel elektrokimia?
- Apa istilah yang menggambarkan perubahan energi bebas dalam reaksi redoks spontan?
40 Clues: Apa alat yang digunakan untuk mengukur tekanan osmosis? • Apa efek penambahan zat terlarut pada titik beku larutan? • Di mana proses reduksi berlangsung dalam sel elektrokimia? • Di mana proses oksidasi berlangsung dalam sel elektrokimia? • apa yang menurun ketika zat terlarut ditambahkan ke pelarut? • ...
Chemistry Review 2024-11-10
Across
- A group of atoms bonded together, representing the smallest fundamental unit of a compound.
- A positively charged ion formed when an atom loses electrons.
- Energy: The energy required to remove an electron from an atom.
- A type of bond formed when one atom transfers an electron to another.
- The tendency of an atom to attract electrons in a bond.
- Bond: A covalent bond with unequal sharing of electrons.
- A negatively charged ion formed when an atom gains electrons.
- Force: The force of attraction or repulsion between charged particles, central to ionic bonding.
- Metals: Elements in Group 1 of the periodic table, known for their high reactivity.
- Electrons: Electrons in the outermost energy level of an atom, involved in bonding.
- Positively charged particles found in the nucleus of an atom.
Down
- Affinity: The energy change that occurs when an atom gains an electron.
- Metals: Elements found in the central block of the periodic table, known for forming colorful compounds.
- Table: A chart that organizes elements by atomic number and properties.
- A mixture of metals, often enhancing properties like strength or corrosion resistance.
- The process of removing an electron from an atom or molecule.
- A type of bond formed when atoms share electrons.
- A type of bond found between metal atoms where electrons are shared in a "sea" of electrons.
- Gases: Group 18 elements, known for being inert due to a full outer electron shell.
- Number: The number of protons in an atom's nucleus, defining the element.
- Negatively charged subatomic particles involved in bonding.
- Elements with properties between metals and non-metals, often found along the "staircase" line.
- Bond: A covalent bond with equal sharing of electrons.
- Rule: The concept that atoms strive to have eight electrons in their outer shell.
- Radius: The distance from the nucleus to the outermost electron shell of an atom.
25 Clues: A type of bond formed when atoms share electrons. • Bond: A covalent bond with equal sharing of electrons. • The tendency of an atom to attract electrons in a bond. • Bond: A covalent bond with unequal sharing of electrons. • Negatively charged subatomic particles involved in bonding. • A positively charged ion formed when an atom loses electrons. • ...
Basic Chemistry 2024-10-19
Across
- charged particle due to lose or gain of electrons
- subatomic particle that determines the atomic number
- subatomic particle responsible for formation of chemical bonds
- the second of the 'Levels of Organization'
- anything that has mass and takes up space
- often referred to as "the universal solvent"
- organic molecule used for structure and enzyme formation
- number of protons and neutrons in the nucleus of an atom
- organic molecules used primarily for energy storage
- solution with a pH greater than seven
Down
- organic molecules used primarily as energy source
- examples of lipids
- organic molecules that directs formation of proteins
- molecules that have slightly positive and negative regions
- neutral subatomic particle
- examples of carbohydrates
- atoms of the same element with different numbers of neutrons
- stable, pure substance formed bonding of atoms
- example of nucleic acids; double stranded
- solution with a pH less than seven
- monomer of proteins
21 Clues: examples of lipids • monomer of proteins • examples of carbohydrates • neutral subatomic particle • solution with a pH less than seven • solution with a pH greater than seven • anything that has mass and takes up space • example of nucleic acids; double stranded • the second of the 'Levels of Organization' • often referred to as "the universal solvent" • ...
BASIC CHEMISTRY 2024-09-11
Across
- Reaction: A type of chemical reaction where elements from different compounds exchange places. (Page XX)
- Triphosphate (ATP): The primary energy carrier in cells, providing energy for various cellular processes. (Page XX)
- The simplest form of carbohydrates, consisting of single sugar molecules such as glucose and fructose. (Page XX)
- A substance composed of two or more elements chemically bonded together. (Page XX)
- The smallest unit of matter that retains the properties of an element. (Page XX)
- A lipid with a hydrophilic head and two hydrophobic tails, making it a major component of cell membranes. (Page XX)
- A chemical reaction where a compound is broken down by the addition of water. (Page XX)
- The substance upon which an enzyme acts. (Page XX)
- Organic compounds consisting of carbon, hydrogen, and oxygen, typically in a ratio of 1:2:1, used for energy and structural purposes. (Page XX)
- Molecule: A molecule containing carbon-hydrogen bonds, typically found in living organisms. (Page XX)
- Bond: A type of chemical bond where atoms share pairs of electrons. (Page XX)
- The substances produced as a result of a chemical reaction. (Page XX)
- Reaction: A process in which substances (reactants) are transformed into different substances (products). (Page XX)
- An atom or molecule with a net electric charge due to the loss or gain of one or more electrons. (Page XX)
- The starting materials in a chemical reaction. (Page XX)
- A substance that increases the concentration of hydrogen ions (H+) in a solution. (Page XX)
- Molecule: Molecules that do not primarily consist of carbon-hydrogen bonds. (Page XX)
- A macromolecule made up of amino acids, crucial for structure, function, and regulation of the body's tissues and organs. (Page XX)
- Bond: A weak bond between a hydrogen atom and an electronegative atom, such as oxygen or nitrogen. (Page XX)
- Site: The region on an enzyme where the substrate binds and the reaction takes place. (Page XX)
- Reaction: A chemical reaction involving the transfer of electrons between substances. (Page XX)
- A carbohydrate composed of multiple monosaccharide units, such as starch and glycogen. (Page XX)
- An ionic compound formed from the neutralization reaction between an acid and a base. (Page XX)
- A substance that reduces the concentration of hydrogen ions (H+) or increases hydroxide ions (OH-) in a solution. (Page XX)
- Reaction: A chemical reaction in which two molecules combine to form a larger molecule, with the loss of a smaller molecule, often water. (Page XX)
Down
- Bond: The force that holds atoms together in a molecule. (Page XX)
- A type of lipid characterized by a four-ring structure, including hormones like cholesterol and testosterone. (Page XX)
- The building block of nucleic acids, composed of a sugar, a phosphate group, and a nitrogenous base. (Page XX)
- (Deoxyribonucleic Acid): The molecule that carries genetic information used for the growth, development, and functioning of all living organisms. (Page XX)
- Complex: The intermediate state formed when an enzyme binds to its substrate. (Page XX)
- A pure substance consisting entirely of one type of atom. (Page XX)
- A scale used to specify the acidity or basicity of an aqueous solution. (Page XX)
- A solution that resists changes in pH when small amounts of an acid or base are added. (Page XX)
- Molecule: A molecule with no net dipole moment, where electrons are shared equally or nearly equally. (Page XX)
- A positively charged ion formed by losing one or more electrons. (Page XX)
- Variants of a particular chemical element that have the same number of protons but different numbers of neutrons. (Page XX)
- Reaction: A type of chemical reaction where two or more reactants combine to form a single product. (Page XX)
- Reaction: A type of chemical reaction where a single compound breaks down into two or more products. (Page XX)
- A negatively charged ion formed by gaining one or more electrons. (Page XX)
- A carbohydrate consisting of two monosaccharide units linked together, such as sucrose and lactose. (Page XX)
- Molecule: A molecule with a net dipole moment due to the presence of polar bonds. (Page XX)
- Acid: The basic building block of proteins, containing an amino group, a carboxyl group, and a variable side chain. (Page XX)
- A biological catalyst that accelerates chemical reactions in living organisms. (Page XX)
- A type of lipid consisting of one glycerol molecule and three fatty acids. (Page XX)
- A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound. (Page XX)
- Bond: The covalent bond formed between the carboxyl group of one amino acid and the amino group of another during protein synthesis. (Page XX)
- A group of hydrophobic organic molecules, including fats, oils, and steroids, that function in long-term energy storage and cellular structure. (Page XX)
- Energy: The minimum energy required to initiate a chemical reaction. (Page XX)
- Bond: A type of chemical bond formed through the electrostatic attraction between oppositely charged ions. (Page XX)
- Acid: A hydrocarbon chain with a carboxyl group at one end, which can be saturated or unsaturated. (Page XX)
50 Clues: The substance upon which an enzyme acts. (Page XX) • The starting materials in a chemical reaction. (Page XX) • Bond: The force that holds atoms together in a molecule. (Page XX) • A pure substance consisting entirely of one type of atom. (Page XX) • The substances produced as a result of a chemical reaction. (Page XX) • ...
CHEMISTRY REVIEW 2024-11-28
Across
- alloy from copper and zinc
- metal mixture
- vertical row on periodic table
- has mass and takes up space
- solid to liquid
- smallest part of an element
- substance that can no longer be broken down into another
- positive charge
- gas to liquid
- horizontal row on periodic table
Down
- has no fixed volume and shape
- Latin name of iron
- liquid to gas
- alloy from copper and tin
- symbol of mercury
- central region of an atom
- particle that moved around
- it can be beaten into sheets
- that has fixed volume and shape
- has no fixed shape but fix volume
20 Clues: liquid to gas • metal mixture • gas to liquid • solid to liquid • positive charge • symbol of mercury • Latin name of iron • alloy from copper and tin • central region of an atom • alloy from copper and zinc • particle that moved around • has mass and takes up space • smallest part of an element • it can be beaten into sheets • has no fixed volume and shape • vertical row on periodic table • ...
Advanced Chemistry 2025-03-26
Across
- – A hydrocarbon with carbon atoms arranged in a ring.
- – A bond formed by the sideways overlap of p orbitals.
- – Organic compounds with a carbonyl group in the middle of a chain.
- – Hydrocarbons with only single bonds.
- – The simplest alkane, with the formula CH₄.
- – The tendency of an atom to attract electrons.
- – A neutral subatomic particle in the nucleus.
- – Organic compound with an oxygen bonded to two alkyl groups.
- – Organic compounds with a carbonyl group at the end of a chain.
- – A six-carbon alkane often used as a solvent.
- – Formed from the reaction of an alcohol and a carboxylic acid.
- – A three-carbon alkane commonly used as fuel.
- – The backbone element of organic chemistry.
- – A molecule with an even distribution of charge.
- – Hydrogen and helium follow this two-electron stability rule.
- – Electrons fill orbitals singly before pairing up.
- – Atoms tend to achieve eight electrons in their outer shell.
- – The strongest type of covalent bond, formed by direct orbital overlap.
- – A force that holds atoms together in molecules.
- – A set of values describing an electron’s position and energy.
- – A positively charged particle in the nucleus.
- – A molecule with an uneven distribution of charge.
Down
- – A negatively charged subatomic particle.
- – Hydrocarbons containing at least one double bond.
- – The smallest unit of an element.
- – Organic compound with both a carbonyl and a hydroxyl group.
- – A bond where electron pairs are shared.
- – The outermost electron of an atom.
- – Atoms of the same element with different neutron counts.
- – Specific regions where electrons are likely found.
- – A diagram showing bonding and valence electrons.
- – Compound made of only hydrogen and carbon.
- – A hydrocarbon chain missing one hydrogen atom.
- – An organic compound with a hydroxyl (-OH) group.
- – Organization responsible for naming chemical compounds.
- – The ability of carbon to form long chains.
- – A bond formed by the transfer of electrons.
- – Related to carbon-based compounds.
- – Regions where electrons are most likely found.
- – The dense center of an atom containing protons and neutrons.
40 Clues: – The smallest unit of an element. • – The outermost electron of an atom. • – Related to carbon-based compounds. • – Hydrocarbons with only single bonds. • – A bond where electron pairs are shared. • – A negatively charged subatomic particle. • – The simplest alkane, with the formula CH₄. • – Compound made of only hydrogen and carbon. • ...
Chemistry Vocabulary 2025-04-30
Across
- reaction that is usually cold
- change when a substance changed into another
- something that has 2 or more elements
- absorbs heat and energy
- how hot or cold something
- To do something or work
- When you touch a pan you feel what
- amount of matter something has
- The basic unit
- property Looks, weight,shape
- The type of science were learning about right now
- atoms bonded together
Down
- The original chemicals in the reaction
- A substance made from mixing things together
- The attraction force between molecules
- The amount of space something takes up
- Speeds up a chemical reaction
- Has a weight and takes of space
- change a change in appearance
- property how a substance can react or change
- the outcome or reaction to an situation
- the result of an action
22 Clues: The basic unit • atoms bonded together • absorbs heat and energy • To do something or work • the result of an action • how hot or cold something • property Looks, weight,shape • reaction that is usually cold • Speeds up a chemical reaction • change a change in appearance • amount of matter something has • Has a weight and takes of space • When you touch a pan you feel what • ...
chemistry crossword 2025-05-07
Across
- element number 17
- the things on the periodic table
- particle with a negative charge
- far apart particles
- element number 93
- the number at the bottom of an element square on a period table is the _______ mass
- groups 3-12 are ______ metals
- element with differing masses
Down
- group 1 contains ______ metals
- bond of two nonmetals
- period 4, group 2
- electrons on the outer shell
- packed particles
- particle with a positive charge
- group 17
- fixed volume but not fixed shape
- when writing an equation, you use ______ numbers to ensure your compounds are balanced
- bond of a metal and a nonmetal
- particle with a neutral charge
- group 18 are _______ gases
20 Clues: group 17 • packed particles • period 4, group 2 • element number 17 • element number 93 • far apart particles • bond of two nonmetals • group 18 are _______ gases • electrons on the outer shell • groups 3-12 are ______ metals • element with differing masses • group 1 contains ______ metals • bond of a metal and a nonmetal • particle with a neutral charge • particle with a positive charge • ...
Organic chemistry 2025-05-09
Across
- The type of reaction that involves burning a substance in oxygen.
- Long-chain molecules formed from repeating units.
- Organic compound group characterized by a –COOH group.
- A type of reaction where two compounds exchange ions.
- The property that tends to increase with molecular size in a homologous series.
- A reaction where two substances combine to form one product.
- A branch of chemistry focused on carbon-containing compounds.
- Hydrocarbons with only single bonds.
- The term for the part of a molecule responsible for its chemical reactions.
- A series of compounds with the same functional group and similar chemical properties.
- Compounds used to treat diseases, often synthesized organically.
Down
- Structural type that shows each atom and bond in a molecule.
- Combustion produces carbon dioxide and this substance.
- The process of breaking down a compound into simpler substances.
- A functional group found in alcohols.
- Different compounds with the same molecular formula but different structural formulas.
- The simplest class of organic compounds composed of only carbon and hydrogen.
- A substance derived from petroleum used in making plastics.
- A type of reaction that involves one element replacing another in a compound.
- Naturally occurring polymers include starch and this protein found in hair.
20 Clues: Hydrocarbons with only single bonds. • A functional group found in alcohols. • Long-chain molecules formed from repeating units. • A type of reaction where two compounds exchange ions. • Combustion produces carbon dioxide and this substance. • Organic compound group characterized by a –COOH group. • A substance derived from petroleum used in making plastics. • ...
Chemistry Crossword 2025-04-01
Across
- Central region of the atom.
- This has 4 protons.
- What you call an atom that has a negative charge.
- A substance that can't be broken down
- Acids have a pH level, lower and including ____.
- This has 5 protons.
- Positive charged particles.
- When an atom gains an electron, it has a ____ charge.
- This has 2 protons.
Down
- This has 3 protons.
- When an atom loses an electron, it has a ____ charge.
- They have properties between those of metals and non metals.
- Particles with no charge.
- Negative charged particles.
- What you call an atom that has a positive charge.
- Bases have a pH level, greater and including ____.
- Is chemistry a good subject
- This is a table that has all the elements in it.
- This has 1 proton.
- What can the amount of protons tell you.
20 Clues: This has 1 proton. • This has 3 protons. • This has 4 protons. • This has 5 protons. • This has 2 protons. • Particles with no charge. • Central region of the atom. • Negative charged particles. • Is chemistry a good subject • Positive charged particles. • A substance that can't be broken down • What can the amount of protons tell you. • ...
Chemistry Crossword 2025-04-01
Across
- This has 1 proton.
- Positive charged particles.
- This is a table that has all the elements in it.
- What you call an atom that has a negative charge.
- Negative charged particles.
- Is chemistry a good subject
- When an atom gains an electron, it has a ____ charge.
- Particles with no charge.
- Acids have a pH level, lower and including ____.
Down
- What you call an atom that has a positive charge.
- Central region of the atom.
- When an atom loses an electron, it has a ____ charge.
- They have properties between those of metals and non metals.
- This has 5 protons.
- What can the amount of protons tell you.
- This has 3 protons.
- This has 4 protons.
- A substance that can't be broken down
- Bases have a pH level, greater and including ____.
- This has 2 protons.
20 Clues: This has 1 proton. • This has 5 protons. • This has 3 protons. • This has 4 protons. • This has 2 protons. • Particles with no charge. • Central region of the atom. • Positive charged particles. • Negative charged particles. • Is chemistry a good subject • A substance that can't be broken down • What can the amount of protons tell you. • ...
chemistry crosswords 2025-04-14
Across
- a poor conductor of heat and electricity
- a substance that allows heat and electricity to pass through
- separating a solid from a liquid
- another name for a positive ion
- way to separate a mixture using a solvent and special paper
- the liquid in which the solid dissolve, to make a solution
- the process in which particles mix by colliding randomly with each other
- separating a liquid by boiling it then condensing it
- the patterns of repeating that shows up when elements are arranged in order of proton number
- the family of organic compounds with the OH functional
- a special term used for the corrosion of iron
- a metal oxide or hydroxide
- the process in which crystals form
- another name for a negative ion
- a gradual change
Down
- a substance in which two or more elements are chemically combined
- the process of removing impurities from a chemical substance
- the solid obtained when a solid is separated by filtering
- the liquid obtained from filtration
- a term used for synthetic polymers
- firm and stable in shape
- the mass of a substance per unit volume
- shows the elements in order of increasing proton number
- small molecules that join together to form polymer
- where a liquid turns into a gas at any temperature
- there is only one substance in it
- large molecules built up from many smaller molecules called monomers
- reacts with substance it comes into contact with
- to remove a metal from its ore
- the temperature in which a solid substance melts.
- how readily a substance reacts
31 Clues: a gradual change • firm and stable in shape • a metal oxide or hydroxide • to remove a metal from its ore • how readily a substance reacts • another name for a positive ion • another name for a negative ion • separating a solid from a liquid • there is only one substance in it • a term used for synthetic polymers • the process in which crystals form • ...
chemistry crosswords 2025-04-14
Across
- a poor conductor of heat and electricity
- a substance that allows heat and electricity to pass through
- separating a solid from a liquid
- another name for a positive ion
- way to separate a mixture using a solvent and special paper
- the liquid in which the solid dissolve, to make a solution
- the process in which particles mix by colliding randomly with each other
- separating a liquid by boiling it then condensing it
- the patterns of repeating that shows up when elements are arranged in order of proton number
- the family of organic compounds with the OH functional
- a special term used for the corrosion of iron
- a metal oxide or hydroxide
- the process in which crystals form
- another name for a negative ion
- a gradual change
Down
- a substance in which two or more elements are chemically combined
- the process of removing impurities from a chemical substance
- the solid obtained when a solid is separated by filtering
- the liquid obtained from filtration
- a term used for synthetic polymers
- firm and stable in shape
- the mass of a substance per unit volume
- shows the elements in order of increasing proton number
- small molecules that join together to form polymer
- where a liquid turns into a gas at any temperature
- there is only one substance in it
- large molecules built up from many smaller molecules called monomers
- reacts with substance it comes into contact with
- to remove a metal from its ore
- the temperature in which a solid substance melts.
- how readily a substance reacts
31 Clues: a gradual change • firm and stable in shape • a metal oxide or hydroxide • to remove a metal from its ore • how readily a substance reacts • another name for a positive ion • another name for a negative ion • separating a solid from a liquid • there is only one substance in it • a term used for synthetic polymers • the process in which crystals form • ...
Chemistry Vocabulary 2025-05-13
Across
- The ability of a material to bounce back after being disturbed
- A process that separates the substances in a solution based on their boiling points
- a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself
- the ability of one substance to dissolve in another at a given temperature and pressure
- a physical property that depends on the amount of matter present
- the basic unit of a chemical element.
- Another word for groups, columns of elements on the periodic table
- the energy change that occurs when an electron is acquired by a neutral atom
- A combination of two or more substances that are not chemically combined
- the number of electrons that must be added to or removed from an atom in a combined state to convert the atom into the elemental form
- a measure of how much the volume of matter decreases under pressure
- the number of cycles of an event per unit of time; one Hertz means one cycle per second
- a characteristic of a pure substance that can be observed or measured without changing the substance's chemical identity
- The sensation of color that is produced when wavelengths of light are reflected back to the viewer after all other wavelengths have been subtracted and/or absorbed.
- A mixture that forms when one substance dissolves another.
- a measure of the size of an atom of an element from the nucleus to the outer electrons
- the length between successive peaks or troughs of a wave
- the elements in Group 18 or 8A of the periodic table, stable gases
- a constant value that relates the energy of a photon of light to its frequency
- the ability of a substance to be hammered or beaten into thin sheets
- Contains nonmetals, 7 valence electrons in it's outermost energy level. Very reactive
- substance formed by the chemical combination of two or more elements in definite proportions
- a change that alters a substance without changing its chemical composition or its identity
- A single kind of matter that is pure and has a specific set of properties.
- A change directly from the solid to the gaseous state without becoming liquid
- A characteristic of a pure substance that describes how it interacts with other substances
- anything that has mass and takes up space
Down
- a change in the chemical composition and identity of the substance
- the superscript indicates the mass number and the subscript indicates the atomic number
- metallic elements in group 2 of the periodic table which are harder than the alkali metals and are also less reactive
- the variety of frequencies of electromagnetic radiation (light) seen through a spectroscope that are emitted by electrons as they transition from higher to lower energy levels; unique for each element
- tendency of a substance to undergo chemical changes
- A process that separates materials based on the size of their particles.
- the arrangement of and relations between the parts or elements of something complex.
- negatively charged subatomic particles
- Groups 3-12, 1-2 electrons in the outer energy level, less reactive than alkali-earth metals, shiny, good conductor of thermal energy and electrical current, high density
- the ability of a substance to be drawn, pulled, or extruded through a small opening to produce a wire
- A liquid's resistance to flowing
- positively charged subatomic particles
- particles found within an atom: protons, neutrons, electrons
- The change of a substance from a liquid to a gas
- A substance that cannot be broken down into simpler substances
- the sum of the number of neutrons and protons in an atomic nucleus
- a group of elements that have similar chemical properties
- those electrons involved in the formation of chemical bonds
- a physical property that does not depend on the amount of substance present
- Center of an atom
- The change of state from a liquid to a gas
- A particle of electromagnetic radiation with no mass that carries a quantum of energy
- Group 1, 1 electron in outer level, very reactive, soft, silver, shiny, low density; Lithium, Sodium, Potassium, Rubidium, Cesium, Francium
- the number of protons in the nucleus of an atom
51 Clues: Center of an atom • A liquid's resistance to flowing • the basic unit of a chemical element. • negatively charged subatomic particles • positively charged subatomic particles • anything that has mass and takes up space • The change of state from a liquid to a gas • the number of protons in the nucleus of an atom • The change of a substance from a liquid to a gas • ...
Chemistry Puzzle 2024-04-03
Across
- any of a class of substances characterized by high electrical and thermal conductivity
- the structure in a cell that contains the chromosomes
- poor conductors of heat and electricity.
- smallest particle of an element which can exist itself
- any substance that has a defined composition.
- a horizontal row of the periodic table
- a representation of chemical elements using one or two letters.
- a subatomic particle with a positive electrical charge.
- mass of a unit volume of a material substance.
- ability to do work,
- chemical substances made up of two or more elements that are chemically bound together in a fixed ratio.
Down
- quantitative measure of inertia, a fundamental property of all matter
- the area around an atom's nucleus where electrons are most likely to be found.
- subatomic particles found inside the nucleus of every atom.
- The outermost shell or orbital of an atom
- chemical element that exhibits some metal and some nonmetal properties.
- occur when chemical bonds between atoms are formed or broken.
- metal made by combining two or more metallic elements
- the quantity of matter contained in an atom of an element.
- a pure substance that cannot be broken down by chemical methods into simpler parts.
- a column in the periodic table of the chemical elements
- anything that takes up space and can be weighed.
22 Clues: ability to do work, • a horizontal row of the periodic table • poor conductors of heat and electricity. • The outermost shell or orbital of an atom • any substance that has a defined composition. • mass of a unit volume of a material substance. • anything that takes up space and can be weighed. • the structure in a cell that contains the chromosomes • ...
Chemistry Crossword 2024-03-01
Across
- One name for the vertical columns on the periodic table
- Used to decrease the concentration of a solution
- Name for group 17 elements
- These are used to speed up a chemical reaction
- ________ compounds are formed between a cation and anion
- Changing phase is an example of a ___________ change
- The SI base unit of distance in the metric system
- A reaction where a hydrocarbon burns in oxygen
- Bunsen _______________
- A reaction that releases heat from the system
- Element P
- kg unit
- A mixture with non-uniform appearance
- Will produce H+ ions when in water
- Will produce OH- when in water
- Used to measure the mass of something in the lab
- Element F
- The center of an atom that contains both protons and neutrons
- A negatively charged ion
- A temperature scale used in science
Down
- A naturally occurring radioactive element
- Worn to protect your eyes in the lab
- A bond between two atoms sharing electrons
- Substances to the left of the arrow in a chemical reaction
- A negatively charged subatomic particle
- Subatomic particle with no charge
- A solution in which water is the solvent
- A reaction that produces only one product
- The name for a substance with two or more atoms chemically bonded to one another
- A measure of the average kinetic energy in a substance
- The lightest noble gas element
- We need this element to live
- One name for the horizontal rows on the periodic table
- Aluminum is categorized as a ______________
- One of the most common solvents
- The state of matter with very little space between atoms
36 Clues: kg unit • Element P • Element F • Bunsen _______________ • A negatively charged ion • Name for group 17 elements • We need this element to live • The lightest noble gas element • Will produce OH- when in water • One of the most common solvents • Subatomic particle with no charge • Will produce H+ ions when in water • A temperature scale used in science • ...
Experimental Chemistry 2024-03-19
Across
- an apparatus that measures the volume of a solution or liquid to 0.05 cm3
- the method to collect gases that are more dense than air (e.g. Cl2, HCl)
- a method used to separate and identify small amounts of substances that are dissolved in solvents, due to differences in solubility in a particular solvent
- a method used to recover a liquid from a soluble solid-liquid mixture or to separate two miscible liquids with different boiling points; the liquid (with the lower boiling point) vaporises, enters the condenser, condenses back into a liquid, and is collected in a beaker as the distillate
- an apparatus that measures mass to 0.01g or 0.001g
- an apparatus that measures temperature
- a chemical that reacts with the colourless substances separated by chromatography to form visible coloured products for analysis
- a method used to separate a mixture of an insoluble solid and a liquid/solution
Down
- we can dry a gas by passing it through a ______ _____ in appropriate apparatus (e.g. concentrated sulfuric acid for acidic gases, calcium oxide for alkaline gases, fused calcium chloride for most gases)
- the method to collect gases that are less dense than air (e.g. NH3, H2)
- the method to collect gases that are insoluble or have low solubility in water (e.g. CO2, H2, O2)
- a method used to recover soluble solid from a liquid (for solutes such as sodium chloride whose solubility do not change much with temperature)
- a pure substance has a _____ melting and boiling point
- an apparatus that measures the volume of a solution or liquid to half of the smallest division (less accurate than pipette)
- an apparatus that measures time
- a method used to separate miscible liquid-liquid mixture whose boiling points differ less than 25ºC (set-up consists of a fractionating column)
- a method used to recover soluble solid from a liquid; solution is first heated to make it saturated, before it is cooled to form crystals (for substances whose solubility differs appreciably with temperature or decomposes on heating)
- a method used to separate immiscible liquids (e.g. oil and water); mixture is poured into the funnel and the denser layer is run off and collected first by opening the tap
- an apparatus that measures the volume of gas to 0.5 cm3
- an apparatus that measures exactly 25.0 cm3 of a solution or liquid
20 Clues: an apparatus that measures time • an apparatus that measures temperature • an apparatus that measures mass to 0.01g or 0.001g • a pure substance has a _____ melting and boiling point • an apparatus that measures the volume of gas to 0.5 cm3 • an apparatus that measures exactly 25.0 cm3 of a solution or liquid • ...
Chemistry Vocab 2021-05-17
Across
- smallest piece of an element before it is no longer an element
- The movement of atoms or molecules
- Another way air molecules can create more pressure is to hit a surface more _____
- Has a negative charge and determines how the atom interacts with other atoms
- A measurement of how much force gravity pulls with
- Indicates how many protons a specific element has. The atomic _____
- Where the proton and neutron reside
- Atoms or molecules are tightly bound together and cannot move past each other
- change where the substance doesn't change but the state of matter may (boiling, melting, freezing, and shredding)
- Stuff moving or having the possibility to move
- change where the products are chemically different than what they were before (burning, cooking, rusting, and rotting)
- Unlike charges do what?
- places where electrons are most likely to be found around a nucleas
- A measurement of how much space
Down
- a combination of atoms bonded together
- Has a positive charge and determines what element the atom is
- a push or pull on an object
- Has no charge and determines what isotope the atom is
- Indicates how many protons and how many average neutrons a specific element has. The _____ mass
- Atoms or molecules are loosely bound together and can move past each other
- A measurement of the movement of atoms or molecules
- One way air molecules can create more pressure is to hit a surface with more _____
- A measurement of how much mass occupies a certain volume
- An average of force spread out over an area
- Atoms or molecules are moving randomly and very far apart from each other
- Like charges do what?
- A measurement of how much matter an object has
27 Clues: Like charges do what? • Unlike charges do what? • a push or pull on an object • A measurement of how much space • The movement of atoms or molecules • Where the proton and neutron reside • a combination of atoms bonded together • An average of force spread out over an area • Stuff moving or having the possibility to move • A measurement of how much matter an object has • ...
Chemistry Review 2021-06-02
Across
- the only positive polyatomic ion
- type of bonding where electrons are shared
- type of ion that is made up of more than one atom
- bond that forms between a metal and a non-metal
- mass divided by volume
- the reaction between an acid and a base that makes water and a salt.
- dissolved in water
- reaction where something combines with oxygen to make carbon dioxide and water
- diatomic element that makes up 79% of the air that you breath
- solid formed by a double replacement reaction
- unit for measuring the concentration of a solution
Down
- a reaction where one substance breaks apart into two or more substances
- type of covalent bond where electrons are shared unequally.
- the type of foil that Rutherford used in his experiment that discovered the nucleus of atoms
- an atom or group of atoms with a negative charge
- type of ion that has a positive charge
- unit for measuring the pressure of a gas
- region in space where electrons are most likely to be
- solution which is "full" (no more solute will dissolve.
- the branch of chemistry that focuses on calculating the amount of stuff in a reaction
- unit that measures the number of particles
21 Clues: dissolved in water • mass divided by volume • the only positive polyatomic ion • type of ion that has a positive charge • unit for measuring the pressure of a gas • type of bonding where electrons are shared • unit that measures the number of particles • solid formed by a double replacement reaction • bond that forms between a metal and a non-metal • ...
Chemistry Review 2022-01-03
Across
- the study of atoms and their interactions with other atoms
- combining a light nuclei to form a heavier more stable nucleus
- vertical columns based on number of electrons
- one type of atom with unique properties
- the smallest unit of an element that maintains the properties of that element
- electrons in the atoms outermost orbitals
- a region in a shells energy level where you can find an electron
- ability to attract electrons
- a physical property of matter that measures how closely packed the particles are in a material
- splitting a heavy nucleus into two nuclei with smaller mass numbers
- has the same atomic number but different mass numbers
- bond that forms only between nonmetals
- subatomic particle with a positive charge
Down
- isotope of an element that is unstable and undergoes radioactive decay
- 7 horizontal rows with similar properties
- the spontaneous breakdown of an atom's nucleus by the emission of particles or radiation
- poor conductors no luster any shape of matter
- hard dense conductors with a shiny luster ex: iron
- bond that forms between metals and nonmetals and generates two oppositely charged atoms through the sharing of electrons
- subatomic particle with a negative charge
- subatomic particle with a neutral charge
21 Clues: ability to attract electrons • bond that forms only between nonmetals • one type of atom with unique properties • subatomic particle with a neutral charge • 7 horizontal rows with similar properties • electrons in the atoms outermost orbitals • subatomic particle with a negative charge • subatomic particle with a positive charge • ...
Carbonyl chemistry 2022-03-03
Across
- reduces the double bond character of a carbonyl group
- magnesium reagent
- common solvent to the charged R group
- compounds with a different leaving group than alcohols (L)
- a yellow gas used as a solution
- planar shape of carboxylic acid
- what increases with more resonance forms
- the type of addition reaction on carbonyl compounds
- product of Grignard and carbon dioxide after protonation
- often referred to as the cornerstone of chemistry
- two irreversible reagents to carbonyl groups
Down
- too small to be a good leaving group
- result of a cyanide attacking formaldehyde
- less stable than esters and amides
- lithium reagent
- forms tertiary alcohol with organometallic reagent
- the simplest carbonyl compound
- constant denoted by K.
- the must know esterification reaction
- a type of spectroscopy used to determine bonds present in a molecule
- what destroys the R-
- 1 over wavelength
22 Clues: lithium reagent • magnesium reagent • 1 over wavelength • what destroys the R- • constant denoted by K. • the simplest carbonyl compound • a yellow gas used as a solution • planar shape of carboxylic acid • less stable than esters and amides • too small to be a good leaving group • common solvent to the charged R group • the must know esterification reaction • ...
Chemistry Final 2025-05-21
Across
- Cannot be physically separated
- The elements on the right side are called
- The element/compound you start with
- Gains electrons and becomes negatively charged
- Has a negative charge
- Electrons in the outermost energy level
- Has a neutral charge
- High KE- particles can separate & move throughout ex: helium
- Amount of matter per unit volume
- An educated guess
- Low KE-particles can move around but are still close together ex:water
- Liquid becomes a solid
- Can be seen without changing the identity of the substance
- When a compound breaks down into 2 or more simpler substance
Down
- Loses electrons and become positively charged
- Changes the identity of a substance
- Has a positive charge
- Gas becomes a liquid
- Anything that has mass and can take up space
- Can be physically separated
- An atom's ability to attract electrons
- The elements on the left side are called
- A type of bond between two nonmetals
- Very low KE- particles vibrate but can't move around Ex: ice
24 Clues: An educated guess • Gas becomes a liquid • Has a neutral charge • Has a positive charge • Has a negative charge • Liquid becomes a solid • Can be physically separated • Cannot be physically separated • Amount of matter per unit volume • Changes the identity of a substance • The element/compound you start with • A type of bond between two nonmetals • ...
Peaceful Chemistry 2025-06-15
Across
- movie about tennis we watched
- favorite flowers for me to get for you
- mexican date night
- National Park we're going tooo
- where i met you
- Sanjana _____ Pichadanavi
- what i’m missing right now
- what i miss about you IRL
- Fav ice cream place of all time fs
- you’re a cutie
- something we can't do LongDistance or even in Seattle bc of work
- Something you beat me in
- Best Taco place we went too
- standard room 806
- Shoutout your friend who helped us get where we are
Down
- first date location
- you're best snack reccomendation
- jalapeño and _____
- Underrated Gift that I got for you(I liked it)
- what i always think you are
- _____ Homey, how you thrill me(wanna try w almonds tooo)
- (SZA) girl
- delusional, d1 hater, and diagonal
- richest place in america
- Trader Joes Snack I think of when I think of you
- best pizza place in atlanta
- Bad cookies good ice cream???
- What game did we play post SZA concert
28 Clues: (SZA) girl • you’re a cutie • where i met you • standard room 806 • jalapeño and _____ • mexican date night • first date location • richest place in america • Something you beat me in • Sanjana _____ Pichadanavi • what i miss about you IRL • what i’m missing right now • what i always think you are • best pizza place in atlanta • Best Taco place we went too • movie about tennis we watched • ...
Chemistry terms1 2025-07-11
Across
- undergo
- number number of protons in nucleus of an atom
- a substance that dissolves in water to form hydroxide ions
- minimum energy required to remove an electtron
- a bond formed through sharing pairs of electrons donated equally
- acid acid that ionize partially in water to form few hydrogen ions
- ionic compound formed when an acid reacts with a metal or ammonia ion
- salt containing replaceable hydrogen
- electrostatic force of attraction between positively charged nucleus and delocalized electrons
- salt that lacks replaceable hydrogen
- constant temperature at which solid Changes into liquid
- acid that occur naturally from plants and animals
- an acid that can be prepared from available minerals
- energy released when atom in gaseous state gains electrons
- substance made of two or more elements chemically combined
- degree of acidity or alkalinity
- base a base that ionize completely in water to form more hydroxide ions
- different crystalline forms of an element in same physical state
- substance that dissolves in water to form hydrogen ions
- a substance that shows a definite color in acid and different color in base
- a soluble base
Down
- substance that ionize completely in water to form more hydrogen ions
- A salt that contains hydroxyl ions
- substance made of two or more elements that can be separated by physical means
- base that ionize partially in water producing few hydroxide ion
- mutual electrostatic forces of attraction between oppositely charged ions
- a process of obtaining crystals from a saturated solution
- atoms of same element with same protons but different neutrons
- study of matter, composition,property and changes that
- change from solid to gas
- existence of an element in different crystalline forms
- process of separation of colors
- Average mass of an atom of an element
- constant temperature at which a liquid change to gas
- a reaction between acid and base
- sum of protons and neutrons in the nucleus of an atom
- apart of element or compound that exist separately
- smallest particle of an element that take part in a chemical reaction
38 Clues: undergo • a soluble base • change from solid to gas • process of separation of colors • degree of acidity or alkalinity • a reaction between acid and base • A salt that contains hydroxyl ions • salt containing replaceable hydrogen • salt that lacks replaceable hydrogen • Average mass of an atom of an element • number number of protons in nucleus of an atom • ...
Chemistry Crossword 2025-07-15
Across
- To divide something using a sharp tool.
- The smallest unit of matter.
- A tiny piece that makes up matter.
- A hot, charged state of matter found in stars and lightning.
- The new substance made in a chemical reaction.
- When a solid turns into a liquid.
- A chemical change involving oxygen (like rusting).
- To change the shape of something without breaking it.
- Two or more substances combined without bonding.
- When substances change to make something new.
- When gas changes into a liquid.
- A state of matter with a fixed shape and volume.
- The path where electrons move around the nucleus.
- When a liquid becomes a gas quickly by heating.
- A chemical reaction where simpler substances form a more complex one.
- The centre of an atom containing protons and neutrons.
- A negatively charged particle that orbits the nucleus.
- A positively charged particle in the nucleus.
- To take substances apart.
Down
- A chemical reaction that breaks a compound into simpler parts.
- A chemical reaction that involves burning.
- Two or more atoms joined together.
- A substance made of different types of atoms bonded together.
- When a solid mixes into a liquid to form a solution.
- When a liquid slowly changes into a gas.
- A chemical change where oxygen is removed.
- When a solid turns straight into a gas.
- To combine two or more substances.
- A state of matter that flows and takes the shape of its container.
- An atom that has gained or lost electrons and has a charge.
- To press something until it breaks or loses shape.
- When atoms join together.
- The slow breakdown of metals (like rust).
- How much mass is in a certain volume.
- A state of matter that spreads out to fill any space.
- The form or outline of an object.
- A substance made of only one kind of atom.
- A particle with no charge found in the nucleus.
- The starting substances in a chemical reaction.
- When a liquid becomes a solid.
40 Clues: When atoms join together. • To take substances apart. • The smallest unit of matter. • When a liquid becomes a solid. • When gas changes into a liquid. • When a solid turns into a liquid. • The form or outline of an object. • Two or more atoms joined together. • A tiny piece that makes up matter. • To combine two or more substances. • How much mass is in a certain volume. • ...
CHEMISTRY CROSSWORD 2025-07-21
Across
- Visible, hot gas from burning substances.
- A substance with a sour taste and pH less than 7; turns blue litmus red.
- A container used in labs to hold liquids.
- Fourth state of matter found in stars and lightning
- The substance dissolved in a solution.
- The mixing of atomic orbitals to form new orbitals for bonding.
- Measure of the amount of matter.
- The amount of space an object or substance occupies.
- A fixed circular path in Bohr’s model where electrons revolve around the nucleus.
- A neutral particle found in the nucleus of an atom.
- The smallest unit of matter that retains the properties of an element.
- A compound formed from an acid and a base.
- A reaction involving both oxidation and reduction."
- A chemical change producing new substances.
- Unequal sharing of electrons in a molecule causes this type of charge separation.
- A mixture of two or more metals, or a metal and a non-metal.
- A slow chemical reaction between iron, water, and oxygen.
Down
- A combination of two or more substances that do not chemically combine.
- The process in which a single ligand forms multiple bonds with a central metal ion.
- The existence of an element in more than one physical form in the same state (like diamond )
- A chemical reaction in which a substance burns in oxygen to release heat.
- Atom or molecule with an electric charge.
- A molecule made of three oxygen atoms.
- A negatively charged particle that moves around the nucleus.
- A bond formed by sharing of electrons.
- Regions in an atom where there is a high probability of finding electrons.
- The chemical decomposition of a substance by passing electric current through it.
- "Makes up most of the air we breathe, but we can't use it directly."
28 Clues: Measure of the amount of matter. • The substance dissolved in a solution. • A molecule made of three oxygen atoms. • A bond formed by sharing of electrons. • Visible, hot gas from burning substances. • A container used in labs to hold liquids. • Atom or molecule with an electric charge. • A compound formed from an acid and a base. • ...
Chemistry Review 2022-09-09
Across
- The elements are displayed in order by their name in the ___ table
- Atoms with the same number of protons but different number of neutrons
- The first element on the periodic table
- Speed of light is _x10^8 m/s
- Every atom’s nucleus is orbitted by ____
- one/second
- In the equation λν = c, what does stand for?
- What is the atomic number of Helium?
- What did Rutherford’s Gold foil discover?
- The number written as a right superscript is the ___ charge
- Sub-Atomic particles with a zero charge
- What does c stand for in the equation λν = c
- Sub-atomic particles with a +1 charge
- When every atom is neutral, they are also ____
- When an atom has an uneven amount of protons and/or electrons it is _____
- The equation to find the number of neutrons is Mass ____ Protons
- Sub-atomic particles with a -1 charge
- Each element has it’s own atomic _____
- When an atom absorbs energy, the electrons move from their ground state to an __ state
- In the formula E=HV, what does the V stand for?
- What does the E stand for in the equation E=HV
Down
- What unit is wavelength measured in?
- The Gold Foil Experiment calculates the ___ of the Nucleus of an Atom
- A unit of energy
- Atoms with different numbers of protons are different _____
- Light at a certain frequency causes metals to ___ their electrons
- Atoms with the same number of electrons as protons are neutral but atoms with either more or fewer electrons than this are ____
- The number of protons is referred to as the ___ number
- minimum amount of energy that can be gained or lost by an atom
- What color of light has a wavelength of 700nm?
- When an atom emits energy, the electrons move from an exited state to their ___ state
- The relationship between frequency and wavelength are ____ proportional
- In the formula E=HV, H stands for ___’s Constant
- Atoms with a negative charge have more electrons than protons are called
- Atoms with a positive charge have fewer electrons than protons are called
- Which color of light has a wavelength of 400nm?
- When a substance is heated in a flame, the atoms ___ energy from the flame
- What is everything made up of?
- An atom’s ___ is based on 3 numbers, protons, electrons, and neutrons
- Atoms are mostly made out of ___ space
- The elements are ordered by their atomic numbers on the ___ table
- In a neutral atom, the number of electrons are equal to the number of protons
- The number of protons plus the number of neutrons is the ___ of an atom
- The Atomic _____ is also represented by the letter Z
- The atomic mass of protons is about ___ amu
45 Clues: one/second • A unit of energy • Speed of light is _x10^8 m/s • What is everything made up of? • What unit is wavelength measured in? • What is the atomic number of Helium? • Sub-atomic particles with a +1 charge • Sub-atomic particles with a -1 charge • Atoms are mostly made out of ___ space • Each element has it’s own atomic _____ • The first element on the periodic table • ...
Chemistry Review 2022-09-09
Across
- The elements are displayed in order by their name in the ___ table
- Atoms are mostly made out of ___ space
- A unit of energy
- What is the atomic number of Helium?
- Atoms with a positive charge have fewer electrons than protons are called
- Sub-atomic particles with a -1 charge
- The relationship between frequency and wavelength are ____ proportional
- Sub-Atomic particles with a zero charge
- What unit is wavelength measured in?
- The elements are ordered by their atomic numbers on the ___ table
- In the equation λν = c, what does stand for?
- Atoms with the same number of electrons as protons are neutral but atoms with either more or fewer electrons than this are ____
- What color of light has a wavelength of 700nm?
- In the formula E=HV, H stands for ___’s Constant
- When an atom absorbs energy, the electrons move from their ground state to an __ state
- Atoms with the same number of protons but different number of neutrons
- When every atom is neutral, they are also ____
- minimum amount of energy that can be gained or lost by an atom
- What did Rutherford’s Gold foil discover?
- The equation to find the number of neutrons is Mass ____ Protons
- Each element has it’s own atomic _____
- An atom’s ___ is based on 3 numbers, protons, electrons, and neutrons
Down
- Atoms with a negative charge have more electrons than protons are called
- In the formula E=HV, what does the V stand for?
- Which color of light has a wavelength of 400nm?
- The Gold Foil Experiment calculates the ___ of the Nucleus of an Atom
- one/second
- What does the E stand for in the equation E=HV
- Speed of light is _x10^8 m/s
- When a substance is heated in a flame, the atoms ___ energy from the flame
- The atomic mass of protons is about ___ amu
- Every atom’s nucleus is orbitted by ____
- Atoms with different numbers of protons are different _____
- When an atom emits energy, the electrons move from an exited state to their ___ state
- What does c stand for in the equation λν = c
- The number written as a right superscript is the ___ charge
- Sub-atomic particles with a +1 charge
- The first element on the periodic table
- What is everything made up of?
- Light at a certain frequency causes metals to ___ their electrons
- In a neutral atom, the number of electrons are equal to the number of protons
- The number of protons plus the number of neutrons is the ___ of an atom
- When an atom has an uneven amount of protons and/or electrons it is _____
- The Atomic _____ is also represented by the letter Z
- The number of protons is referred to as the ___ number
45 Clues: one/second • A unit of energy • Speed of light is _x10^8 m/s • What is everything made up of? • What is the atomic number of Helium? • What unit is wavelength measured in? • Sub-atomic particles with a -1 charge • Sub-atomic particles with a +1 charge • Atoms are mostly made out of ___ space • Each element has it’s own atomic _____ • Sub-Atomic particles with a zero charge • ...
Chemistry Matter 2022-08-30
Across
- Seperating larger solids from smaller solids using a sieve
- Has an indefinite shape and definite volume
- it is a type of mixture it means "different" and you can see the parts that make it
- Seperating a liquid from another liquid where both have different boiling points
- Is another word for homogeneous mixture
- cannot be seperated by physical means
- When two or more different substances are physically mixed, but not chemically combining
- Seperating two solids, one which is magnetic
- Seperating a liquid from a solid that has been dissolved
- Made of two or more types of atoms
- Seperating compenents of a liquid mixture based on fast the parts travel up a special paper
- It is a mixture, it means "same" and you cannot see the parts that make it up
- are the smallest unit of an element OR!! compound
Down
- Has a definite shape and volume
- Amount of space an object takes up
- It is the smallest unit of an element that has the same chemical properties of that element
- Has an indefinite shape and indefinite volume
- A measure of the amount of matter an object has
- The part of a solutionn that is being disolved
- Seperating smaller solids from liquids using filter paper
- Made up of charged particles of ions and electrons interacting
- Made of only one type of atom
- Seperating components of a mixture on the difference in density of the parts of the mixture.
- Has mass and takes up space
- The part of the solution that is dissolving the solute
25 Clues: Has mass and takes up space • Made of only one type of atom • Has a definite shape and volume • Amount of space an object takes up • Made of two or more types of atoms • cannot be seperated by physical means • Is another word for homogeneous mixture • Has an indefinite shape and definite volume • Seperating two solids, one which is magnetic • ...
Chemistry Vocab 2022-11-01
Across
- a group of elements whose properties can change between a metal and nonmetal
- the small, dense region consisting of protons and neutrons at the center of an atom
- Ttwo (or more) atoms joined – or bonded – together
- Gasses the element group on the far right side where all the elements are a gas
- a state of matter where molecules are free flowing, have a fixed volume
- The basic unit of chemical element found in everything, living and nonliving.
- a state of matter where molecules will expand to fill the entire container, have neither a shape nor volume
- a common element, a natural gas, makes up 75% of the mass of earth, the lightest element
- Mass Number The number of protons plus the number of neutrons.
- Table the chart that holds all the elements names and basic information about each one
- a state of matter where molecules are grouped together, have a fixed shape
- Negatively charged subatomic particle in an atom
- the 1 or 2 letters representing an element on the periodic table
- The simplest substances and cannot be broken down, located on the periodic table.
Down
- Positively charged subatomic particle in an atom
- Molecules that have bonds between two different types of atom.
- Neutrally charged subatomic particle in an atom
- Number An atom’s number of protons – and therefore electrons, as they are equal.
- Point the temperature at which a solid will turn to a liquid and stay in that state
- A lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds.
- Property A characteristic of matter that can be observed and measured without changing the chemical identity of the sample. (Ex: color, hardness, boiling point)
- Property A characteristic or behavior of a substance that may be observed when it undergoes a chemical change or reaction (Ex. flammability, toxicity, chemical stability)
- Point the temperature at which the substance transitions from a liquid to the gaseous phase
- a common element, a colorless, odorless, tasteless gas essential to living organisms, being taken up by animals, highly reactive nonmetal
24 Clues: Neutrally charged subatomic particle in an atom • Positively charged subatomic particle in an atom • Negatively charged subatomic particle in an atom • Ttwo (or more) atoms joined – or bonded – together • Molecules that have bonds between two different types of atom. • Mass Number The number of protons plus the number of neutrons. • ...
Chemistry Crossword 2022-11-24
Across
- Bonding performed in metals.
- Bonding performed in most of covalent bonding.
- Formed between a pair of electrons is shared between two atoms leading to noble gas electronic configurations.
- Involes loss of electrons.
- Unit of amount of substances, unit mol.
- a reaction in which one element is substituted for another element in a compound.
- Can be measured in g/dm3 or mol/dm3.
- Bonding performed in diamonds and graphites.
- Mass of an atom of a chemical element expressed in atomic mass units.
Down
- Involves gain of electrons.
- A substance that reduces another substance and is itself oxidized.
- The sum of the relative atomic mass, also called as relative formula mass or ionic compounds.
- A substance that oxidizes another substance and is itself reduced.
- a chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions.
- 6.02*10^23
- A strong electrostatic attraction between oppositely charged ions.
- Compound is the number and type of different.
- A decomposition reaction is a reaction in which a compound breaks down into two or more simpler substances
- is a process generally characterized by
- the production of chemical compounds by reaction from simpler materials.
20 Clues: 6.02*10^23 • Involes loss of electrons. • Involves gain of electrons. • Bonding performed in metals. • Can be measured in g/dm3 or mol/dm3. • Unit of amount of substances, unit mol. • is a process generally characterized by • Bonding performed in diamonds and graphites. • Compound is the number and type of different. • Bonding performed in most of covalent bonding. • ...
Chemistry 1 2022-01-08
Across
- Numerical measurements rather than its words
- a number that express a magnitude to a specified degree of accuracy
- Number of protons in the nucleus in an atom
- Smallest particle of a substance that can exist by itself
- Experimental value minus the accepted value, divided by the accepted value and then multiplied by 100
- Method that expresses the number multiplied by 10 and the appropriate power
- Element with the properties of both metals and nonmetals
- System of electrons surrounding the nucleus of an atom
Down
- Data in words rather than in numbers
- Reaction in which the nuclei of one atom combines with the nuclei of another to form a larger nuclei
- Group 18 in the periodic table with a full outer shell
- Atoms with same number of protons but not the same number of neutrons
- The quality of being exact
- atom that has gained or lost one or more electrons
- The ability to work without mistakes
- Mass per unit of volume
- A science that deals with the structure and properties
- A solid that is produced by a chemical reaction in solution
- Sum of the protons and neutrons in the nucleus of an atom
- The heat required to raise the temperature of the mass of a given substance by given amount
20 Clues: Mass per unit of volume • The quality of being exact • Data in words rather than in numbers • The ability to work without mistakes • Number of protons in the nucleus in an atom • Numerical measurements rather than its words • atom that has gained or lost one or more electrons • Group 18 in the periodic table with a full outer shell • ...
Chemistry Vocabulary 2021-10-18
Across
- last name of the person who discovered protons and neutrons in the nucleus
- the small, dense region consisting of protons and neutrons at the center of an atom
- advanced Democritus ideas by using experimental methods
- a material made up of two or more different chemical substance or substances which are not chemically combined
- an atom, particle, or molecule with a net electrical charge
- how tightly or loosely packed a substance is
- has a positive charge; found inside the nucleus of an atom
- substance composed of atoms of 2+ atoms of the same/or different element
- the closeness of a result to the true value
- retains it's own properties
- to the closeness of two or more measurements to each other
- study of separation, identification, and composition of materials
- bonded collection of two or more atoms
- anything that occupies space and has mass
Down
- the study of materials and processes in living things
- has no charge; inside nucleus of an atom
- substance composed of only one type of atom
- the study of other substances besides carbon compounds
- the amount of 3D space a substance or object occupies
- measures the mass of an object when that object is placed on it
- the study of C & H (carbon & hydrogen) compounds and their derivatives
- the study of physical characteristics of substances and the mechanisms of their reactions in relation to energy
- a measure of the amount of matter that an object contains
- a collection of quantitative or numerical data that describes a property of an object or event
- an atom that has the same number of protons but a different number of electrons
- floats around the nucleus of an atom; has a negative charge
- last name of the person who discovered electrons
- the smallest particle of an element that retains its identity in a chemical reaction
28 Clues: retains it's own properties • bonded collection of two or more atoms • has no charge; inside nucleus of an atom • anything that occupies space and has mass • substance composed of only one type of atom • the closeness of a result to the true value • how tightly or loosely packed a substance is • last name of the person who discovered electrons • ...
Chemistry Crossword 2022-03-31
Across
- the distance between corresponding points on adjacent waves
- is a pure substance that cannot be broken down into simper, stable substances
- the smallest unit of an element that maintains the chemical identity of that element
- a measure of the ability of an atom in a chemical compound to attract electrons
- the minimum quantity of energy that can be lost or gained by an atom
- the positively charged center of the atom consisting of protons and neutrons
- an element that is a poor conductor of heat or electricity
- a stable positively charged component of an atom
- the vertical columns of the periodic table
- a negatively charged ion
- the number of waves that pass a given point in a specific time, usually one second
- a three-dimensional region around the nucleus that indicates the probable location of an electron a stable negatively charged component of an atom
- a substance that can be broken down into simple stable substances
Down
- the process that results in the formation of an ion
- an element that has some characteristics of metals and nonmetals
- an element that is a good electrical conductor and a good heat conductor
- a positively charged ion
- the particle in the atomic nucleus with a mass = 1 and charge = 0
- a measure of the amount of matter
- the elements of group 17
- anything that has mass and takes up space
- a particle of electromagnetic radiation having zero mass and carrying a quantum of energy
- a neutral group of atoms that are held together by covalent bonds
- the horizontal rows of elements in the periodic table
- an atom or group of bonded atoms that has a positive or negative charge
25 Clues: a positively charged ion • the elements of group 17 • a negatively charged ion • a measure of the amount of matter • anything that has mass and takes up space • the vertical columns of the periodic table • a stable positively charged component of an atom • the process that results in the formation of an ion • the horizontal rows of elements in the periodic table • ...
Chemistry Vocab 2022-12-14
Across
- reactions that use energy to react
- type of bond that forms when atoms share electrons
- the substances formed during the reaction
- concentration of H ions in a solution
- type of bond that forms when two oppositely charged atoms are attracted to each other
- reactions that release energy when reacting
- neutrally charged particles
- atoms of an element with different numbers of neutrons
- releases H ions in water
- protein catalysts
Down
- forces of attraction between positively and negatively charged parts of molecules
- a substance that lowers the activation energy
- the starting substances
- process by which atoms in substances are reorganized into different substances
- energy the minimum amount of energy needed to get reactants to react
- a pure substance that cannot be broken down
- positively charged particles
- the center of the atom
- a pure substance formed when two or more different elements combine
- negatively charged particles
- releases OH ions in water
21 Clues: protein catalysts • the center of the atom • the starting substances • releases H ions in water • releases OH ions in water • neutrally charged particles • positively charged particles • negatively charged particles • reactions that use energy to react • concentration of H ions in a solution • the substances formed during the reaction • a pure substance that cannot be broken down • ...
Chemistry Review 2023-01-23
Across
- When permanent dipoles line up vertically in a substance like iron
- Multidentate ligands
- Group 7a of the periodic table
- Group 1 of the periodic table
- Rows of the periodic table
- Ion or molecule attached to a metal atom by coordinate bonding
- Chart containing all the elements sorted by atomic number
- nimner of atoms surrounding a central atom in a crystal
- Groups 3-12
- Columns of the periodic table
- Catalyst that is in the same phase as the reaction
- Elements 89-103
Down
- Catalyst that isn in the same phase as the reaction
- Caused by unpaired electrons in an object also induced by a magnetic field
- Compound containing one or more ligands
- Charge of an atom/ion
- Elements 57-71
- Trends of the periodic table
- Group 8a of the periodic table
- When a magnetic field is applied to an object and the object creates an induced temporary field
- When core electrons repel outer electrons, lowering the effective charge of the nucleus on outside electrons
21 Clues: Groups 3-12 • Elements 57-71 • Elements 89-103 • Multidentate ligands • Charge of an atom/ion • Rows of the periodic table • Trends of the periodic table • Group 1 of the periodic table • Columns of the periodic table • Group 7a of the periodic table • Group 8a of the periodic table • Compound containing one or more ligands • Catalyst that is in the same phase as the reaction • ...
Chemistry Crossword 2023-01-14
Across
- compound, a pure substance formed from two or more non-metals
- bond, the simultaneous strong attraction of positive and negative ions in an ionic compound
- the breakdown of a metal resulting from reactions with chemicals in its environment
- displacement, a reaction that occurs when elements in different compounds displace each other or exchange places producing two new compounds
- a pure substance composed of two or more elements in a fixed ratio
- a compound that separates into ions when it dissolves in water- producing a solution that conducts electricity
- ion, an ion made up of more than one atom that acts as a single particle
- a column of elements in the periodic table with similar properties alkali metals the elements (except hydrogen) in the first column of the periodic table (Group 1)
- a row of elements in the periodic table
- a chemical present at the start of a chemical reaction, that is used up during the reaction
- a negatively charged ion
- equation, a way of describing a chemical reaction using the chemical formulas of the reactants and products
- a reaction in which two reactants combine to make a larger or more complex product; general pattern: A + B -> AB
- gases, the elements in the eighteenth column of the periodic table (Group 18)
- a charged particle that results when an atom gains or loses one or more electrons
- equation, a way of describing a chemical reaction using the names of the reactants and products
- reaction, a process in which substances interact causing the formation of new substances with new properties
- steel, steel that has been coated with a protective layer of zinc which forms a hard and insoluble oxide
- bond, a bond that results from the sharing of outer electrons between non-metal atoms
- the elements in the seventeenth column of the periodic table (Group 17)
- a pure substance that cannot be broken down into simpler substances
Down
- a chemical that is produced during a chemical reaction
- a description of a substance that does not involve forming a new substance; for example colour- texture- density- smell- solubility- taste- melting point and physical state
- Hazardous Materials Information System, provides Canadian workers with information on the safe use of hazardous products in their workplace.
- earth metals, the elements in the second column of the periodic table (Group 2)
- the rapid reaction of a substance with oxygen to produce oxides and energy; burning
- a particle in which atoms are joined by covalent bonds
- a reaction in which a large or more complex molecule breaks down to form two (or more) simpler products; general pattern: AB -> A + B
- a positively charged ion
- diagram, a model representing the arrangement of electrons in orbits around the nucleus of an atom
- molecule, a molecule consisting of only two atoms of either the same or different elements
- compound, a compound made up of one or more positive metal ions (cations) and one or more negative non-metal ions (anions)
- displacement, a reaction in which an element displaces another element in a compound producing a new compound and a new element
- combustion, a combustion reaction of hydrocarbons that may produce carbon monoxide- carbon- carbon dioxide- soot, water and energy; occurs when the oxygen supply is limited
- combustion, a combustion reaction of hydrocarbons that uses all the available fuel and produces only carbon dioxide- water and energy; occurs when the supply of oxygen is plentiful
- of conservation of mass, the statement that in any given chemical reaction the total mass of the reactants equals the total mass of the products
- property, a description of what a substance does as it changes into one or more new substances
37 Clues: a positively charged ion • a negatively charged ion • a row of elements in the periodic table • a chemical that is produced during a chemical reaction • a particle in which atoms are joined by covalent bonds • compound, a pure substance formed from two or more non-metals • a pure substance composed of two or more elements in a fixed ratio • ...
Chemistry crossword 2022-12-08
Across
- Metals and non metals
- New substance with new properties
- Number of Atoms
- Changes appearance
- Electricity and heat passes through
- A new solid is formed
- Smallest part of an element
- Steaming or bubbling
- Has three energy levels
Down
- Can be pulled into a wire
- Electricity and heat does not pass through
- Goes from left to right
- Center of the atom
- Matter cannot be created nor destroyed
- In nucleus with neutral charge
- Spark or emit a glow
- Shatters easily
- Bent or hammered
- Shiny
- In nucleus with positive charge
20 Clues: Shiny • Shatters easily • Number of Atoms • Bent or hammered • Center of the atom • Changes appearance • Spark or emit a glow • Steaming or bubbling • Metals and non metals • A new solid is formed • Goes from left to right • Has three energy levels • Can be pulled into a wire • Smallest part of an element • In nucleus with neutral charge • In nucleus with positive charge • ...
Chemistry crossword 2022-12-07
Across
- the amount of heat energy required to raise the temperature of a unit mass of that substance by one degree Celsius
- The horizontal rows of the periodic table
- ions that are positively charged
- Chemical reactions that release energy
- an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
- the eight-electron arrangement in the outer electron shell of the noble-gas atoms
- ions that are negatively charged
- the exchange of "thermal” energy due to a temperature difference
- the number of a chemical element in the periodic system, whereby the elements are arranged in order of increasing number of protons in the nucleus
- the core electrons repelling the outer electrons, which lowers the effective charge of the nucleus on the outer electrons
- a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light
Down
- a column in the periodic table of the chemical elements
- Scientific notation is a way to express numbers as the product of two numbers
- a class of reactions in which two molecules combine, usually in the presence of a catalyst, with elimination of water or some other simple molecule
- a high-temperature redox chemical reaction between a fuel and an oxidant usually atmospheric oxygen that produces oxidize often gaseous products in a mixture termed as smoke
- the lowest temperature that is theoretically can be
- a group of rare gases that include helium, neon, argon, krypton, xenon, and sometimes radon and that exhibit great stability and extremely low reaction rates
- a chemical element that forms a simple substance having properties intermediate between those of a typical metal and a typical nonmetal
- A chemical element (such as boron, carbon or nitrogen) that lacks metal properties and is capable of forming anions, acid oxides, acids, and stable hydrogen compounds
- chemical reactions in which the reactants absorb heat energy from the surroundings to form products
- any of the six nonmetallic elements that constitute Group 17
21 Clues: ions that are positively charged • ions that are negatively charged • Chemical reactions that release energy • The horizontal rows of the periodic table • the lowest temperature that is theoretically can be • a column in the periodic table of the chemical elements • any of the six nonmetallic elements that constitute Group 17 • ...
Chemistry Reveiw 2022-12-08
Across
- A negative charge found in all atoms
- the capacity of a atom or molecule
- shatters eaisly
- located in the center on the electron cloud
- The smallest part of a element
- Up and Down
- a substance that cannot be broken down
- located in the nucules with a positive charge
- a drawing we use to find out what an element is
- Can be pulled into a wire
Down
- electricity and heat pass through it
- not shinny
- located in the nucules with a neutral charge
- light reflects eaisly off it
- something that conducts electricity
- electricity and heat dont pass through it
- shinny
- Science that deals with the identification of substances
- The more valence electrons a element has the more_______it is
- can be hammered into a shape
20 Clues: shinny • not shinny • Up and Down • shatters eaisly • Can be pulled into a wire • light reflects eaisly off it • can be hammered into a shape • The smallest part of a element • the capacity of a atom or molecule • something that conducts electricity • electricity and heat pass through it • A negative charge found in all atoms • a substance that cannot be broken down • ...
Chemistry Matter 2022-08-31
Across
- Has an indefinite shape and definite volume
- Has an indefinite shape and indefinite volume
- When two or more different substances are physically mixed, but not chemically combining
- Separating components of a liquid mixture based on fast the parts travel up a special paper.
- A measure of the amount of matter an object has
- Separating a liquid from another liquid where both have different boiling points
- are the smallest unit of an element OR!! compound
- It is the smallest unit of an element that has the same chemical properties of that element
- Made of only one type of atom
- Separating components of a mixture on the difference in density of the parts of the mixture.
- Has a definite shape and volume
- Separating larger solids from smaller solids using a sieve
- The part of a solution that is being dissolved
Down
- Separating smaller solids from liquids using filter paper
- Separating a liquid from a solid that has been dissolved
- cannot be separated by physical means
- Made of two or more types of atoms
- It is a mixture, it means "same" and you cannot see the parts that make it up
- Has mass and takes up space
- Amount of space an object takes up
- Separating two solids, one which is magnetic
- it is a type of mixture it means "different" and you can see the parts that make it
- Made up of charged particles of ions and electrons interacting
- The part of the solution that is dissolving the solute
- Is another word for homogeneous mixture
25 Clues: Has mass and takes up space • Made of only one type of atom • Has a definite shape and volume • Made of two or more types of atoms • Amount of space an object takes up • cannot be separated by physical means • Is another word for homogeneous mixture • Has an indefinite shape and definite volume • Separating two solids, one which is magnetic • ...
Chemistry: Matter 2022-09-01
Across
- is a measure of the amount of matter an object has
- two or more different substances are physically mixed (not chemically combined)
- Separating components of a liquid mixture based on how fast the parts travel up a special paper
- separating a liquid from another liquid, both have different boiling points
- made of only one type of atom
- unit to measure volume
- Separate two liquids with different density or separate liquid from a heavy sediment
- being dissolved
- Separating smaller solids from liquids using filter paper
- Example of a solvent
- mixture does not look uniform, can see the parts that make up the mixture
- separating two solids, one is magnetic
- substances that cannot be separated by physical mean
- Example of a solute
- is the amount of space an object takes up
Down
- made of two or more types of atoms
- dissolving the solution
- unit to measure mass
- Separating components of a mixture based on the difference in density
- Example of a mixture
- Anything that has a mass and takes up space
- composition is uniform, cannot see the parts that make up the mixture
- smallest unit of an element or compound
- Separating larger solids from smaller solids using a sieve
- all matter is made up of ____.
- separating a liquid from a solid that has been dissolved
26 Clues: being dissolved • Example of a solute • unit to measure mass • Example of a mixture • Example of a solvent • unit to measure volume • dissolving the solution • made of only one type of atom • all matter is made up of ____. • made of two or more types of atoms • separating two solids, one is magnetic • smallest unit of an element or compound • is the amount of space an object takes up • ...
Chemistry: Matter 2022-08-31
Across
- is a measure of the amount of matter an object has
- two or more different substances are physically mixed (not chemically combined)
- Separating components of a liquid mixture based on how fast the parts travel up a special paper
- separating a liquid from another liquid, both have different boiling points
- made of only one type of atom
- unit to measure volume
- Separate two liquids with different density or separate liquid from a heavy sediment
- being dissolved
- Separating smaller solids from liquids using filter paper
- Example of a solvent
- mixture does not look uniform, can see the parts that make up the mixture
- separating two solids, one is magnetic
- substances that cannot be separated by physical mean
- Example of a solute
- is the amount of space an object takes up
Down
- made of two or more types of atoms
- dissolving the solution
- unit to measure mass
- Separating components of a mixture based on the difference in density
- Example of a mixture
- Anything that has a mass and takes up space
- composition is uniform, cannot see the parts that make up the mixture
- smallest unit of an element or compound
- Separating larger solids from smaller solids using a sieve
- all matter is made up of ____.
- separating a liquid from a solid that has been dissolved
26 Clues: being dissolved • Example of a solute • unit to measure mass • Example of a mixture • Example of a solvent • unit to measure volume • dissolving the solution • made of only one type of atom • all matter is made up of ____. • made of two or more types of atoms • separating two solids, one is magnetic • smallest unit of an element or compound • is the amount of space an object takes up • ...
Chemistry Puzzle 2022-09-08
Across
- Minimum amount of energy that can be gained/lost by an atom
- Each element's Atomic ____ Spectra is unique
- Lowest energy possible is the ___ state
- Energy of a photon of light with frequency of 4.36 * 10^14 HZ. (Answer in tenths place)
- The number of protons and neutrons is the atomic ___
- Wavelength of electromagnetic radiation having a frequency of 6.00 X 10^12 Hz? Answer number in ones place.
- The displacement from the crest to the resting point in a wave
- Atoms with a negative charge are called ___
- Speed of ____ having the formula: (3.00*10^8 m/s)
- how many orbitals can the f subshell have
- How many electrons can an orbital have
- Atoms with a different number of protons are ___
- Helium is an example of a ___ gas
- The highest energy color
- Science studying the property of substances
- Frequency x ____ is the speed of light
- One ___ is equal to 1 cycle per second
- Electrons are not ___ in specific places
- Subatomic particle with negative charge
- relationship between wavelength and frequency is ___ proportional
- A particle of light
- Electrons to not ___ energy
Down
- Light travels at a rate of (3.00*10^8 m/s) in a ___
- Energy is measured in ____
- Colors seen when a substance is heated can be used as a means of ___
- Atoms are made up of mostly ___ space
- The lowest energy color
- Atoms with a positive charge are called ____
- Atoms with more or fewer electrons than
- A ___ electron is an electron that can transfer or be shared with another atom
- The # at the bottom of a chemical symbol is the atomic ___
- What is the shape of a P orbital
- Where Protons and Neutrons are located
- 1 meter = 10^___ nanometers
- Subatomic particle with positive charge
- Experiment with gold foil and particle beam
- particles with the same charge ___ each other
- In the rutherford test, the alpha particles ___ off the nucleus
- Light at a certain frequency causes metals to ____ their electrons
- When atoms absorb energy they become ___
- The higher the energy, the higher the ___ of the electron ejected
- an atom is ___ if the # of protons is the same as the # of electrons
- Subatomic particle with no charge
- Atoms with the same # of protons but different # of neutrons
- person came up with this formula: (6.626*10^-34 Js)
- In the Rutherford Experiment, ___ particles were fired at gold foil
46 Clues: A particle of light • The lowest energy color • The highest energy color • Energy is measured in ____ • 1 meter = 10^___ nanometers • Electrons to not ___ energy • What is the shape of a P orbital • Helium is an example of a ___ gas • Subatomic particle with no charge • Atoms are made up of mostly ___ space • Where Protons and Neutrons are located • ...
Chemistry Vocabulary 2025-11-13
Across
- Organized chart of all known elements.
- The dense center of an atom that contains protons and neutrons.
- A vertical column on the periodic table with similar properties.
- Positively charged particle found in the nucleus.
- One or two-letter abbreviation that represents an element.
- Number of protons in the nucleus; identifies the element.
- Electron in the outermost energy level of an atom.
- Atom or group of atoms that has gained or lost electrons.
- Element with properties of both metals and nonmetals.
- Negatively charged ion.
- Positively charged ion.
- A substance made of two or more elements chemically bonded in fixed ratios.
Down
- Elements in Group 2, somewhat less reactive metals like magnesium.
- A horizontal row on the periodic table.
- Reactive nonmetals in Group 17 that form salts with metals.
- Compound formed by the attraction between positive and negative ions.
- Sum of the protons and neutrons in the nucleus.
- Elements in Group 18 that are stable and nonreactive.
- Element that is typically shiny, malleable, and conducts electricity.
- Elements in Group 1, highly reactive metals like sodium or potassium.
- Substances formed when two or more elements bond chemically.
- Element that lacks metallic properties; poor conductor of heat and electricity.
- Negatively charged particle found outside the nucleus of an atom.
- Neutral particle found in the nucleus.
- Atoms of the same element with different numbers of neutrons.
- The smallest particle of an element that retains its identity in a chemical reaction.
26 Clues: Negatively charged ion. • Positively charged ion. • Organized chart of all known elements. • Neutral particle found in the nucleus. • A horizontal row on the periodic table. • Sum of the protons and neutrons in the nucleus. • Positively charged particle found in the nucleus. • Electron in the outermost energy level of an atom. • ...
Basic chemistry 2025-11-06
Across
- Symbol for water
- Center of an atom
- Subatomic particle with no charge
- Horizontal row in periodic table
- The pH of a neutral substance
- Negatively charged particle
- Smallest particle of an element
- Number of protons in an atom
- Gas needed for combustion
Down
- Mixture that looks uniform
- Device used to measure mass
- Tool used to heat substances
- Table organizing elements
- Vertical column in the periodic table
- Process that forms new substances
- Bond formed by sharing electrons
- Abbreviation for sodium chloride
- Simplest type of pure substance
- Positively charged particle
- Unit of temerature in science
- Electron shell or ______ level
- Opposite of base
22 Clues: Symbol for water • Opposite of base • Center of an atom • Table organizing elements • Gas needed for combustion • Mixture that looks uniform • Device used to measure mass • Positively charged particle • Negatively charged particle • Tool used to heat substances • Number of protons in an atom • Unit of temerature in science • The pH of a neutral substance • Electron shell or ______ level • ...
chemistry 5,6 2025-11-10
Across
- an ion of 2 or more bonded ions (PO₄) has the prefix hypo or suffixes ite or ate (usually contain oxygen)
- (Valence shell electron Repulsion) theory that Molecules will make a shape that Spreads the Valance electrons out as far as possible.
- change changes of a substance from solid to liquid or liquid to gas
- vibrate but don't change position
- When a substance gets smaller due to lowering temperature or energy.
- flow (change position)
- a molecule shape where there are 2 atoms bonded to a center atom at an angle
- more collisions there are between molecules. the more heat the substance can hold.
- of matter -. all molecules are in Motion, more motion means more heat.
- dissolve covalent molecules but not ionic
- a molecule shape where there are 3 bonds all pointing at a downward angle
- burning
- Change that affects the type of Molecule or atoms in a Substance.
- a compound where the electrons are not shared equally Creating a molecule with a slightly positive & negative side.
- when a substance gets larger due to rise temperature/energy
- a compound made of 2 elements
Down
- a molecule made with a Covalent bond that shares electrons evenly
- Change in State, Shape, Size when the Molecules stay the same.
- the substances coming out of a chemical reaction
- a molecule shape where the atoms make a flat triangle
- a molecule shape where there are 4 points
- the measure of mass per volume (changes at different temperatures)
- the substances going into a chemical reaction
- a reaction that gets cold (absorbs heat)
- dissolve both polar Molecules & non polar ionic polar covalent
- a reaction that gives off heat
- flow and spread out to fill its space
- - the creation of a solid from liquids or gasses without temperature drop to freezing.
- chemical equation a chemical formula that showing a reaction how many of each molecule or element come into and go out of a reaction
- a molecule shape where the atoms are straight because there are 2 double bonds to a center atom
30 Clues: burning • flow (change position) • a compound made of 2 elements • a reaction that gives off heat • vibrate but don't change position • flow and spread out to fill its space • a reaction that gets cold (absorbs heat) • a molecule shape where there are 4 points • dissolve covalent molecules but not ionic • the substances going into a chemical reaction • ...
SA Chemistry 2025-06-19
Across
- Reaction rate at beginning of reaction
- Positive particles in an atom
- Describes hydrocarbons with single bonds
- Type pf reaction where an alkali cancels out an acid
- Describes hydrocarbons with double bonds
- Substance with a ph of 3
- Substance with a ph of 13
- Series that sorts carbon compounds into alkanes and alkenes
- Most reactive metal in the reactivity series
Down
- Compounds containing only carbon and hydrogen
- Neutral particles in an atom
- Type of symbols used to warn people of dangers
- Electrons are found on these
- Substance with a ph of 7
- Oil that comes from fossils
- These must collide for a reaction to happen
- Negative particles in an atom
- where positive particles are found
- What happens to a reaction when all reactants are used up
- These change colour in the presence of different metals ions
20 Clues: Substance with a ph of 7 • Substance with a ph of 3 • Substance with a ph of 13 • Oil that comes from fossils • Neutral particles in an atom • Electrons are found on these • Positive particles in an atom • Negative particles in an atom • where positive particles are found • Reaction rate at beginning of reaction • Describes hydrocarbons with single bonds • ...
CHEMISTRY CROSSWORD 2025-05-21
Across
- – Region around an atom’s nucleus where electrons are found
- – Number in front of a formula that tells you how many molecules
- – Bond where atoms share electrons
- – How strongly an atom attracts electrons in a bond
- – Two or more atoms joined together
- – Process that makes glucose using sunlight
- – Process that breaks down glucose to release energy
- – The column number in the periodic table, same as the number of outer electrons
- – Ice melting is an example of this kind of change
Down
- – Substance made of only one type of atom
- – Triangle used to find mass, moles or relative formula mass (4,8)
- – Substance made from two or more elements chemically bonded
- – Combustion is an example of this kind of change
- – Bond formed between metals and non-metals by electron transfer
- – Metal with a relative atomic mass of 24 g/mol
- – Constant equal to the number of particles in one mole (9,6)
- – Smallest particle of an element that still keeps its properties
- – Unit that counts particles in chemistry, like a chemist’s dozen
- – Substances you end up with in a chemical reaction
- – A set of chemical symbols that shows what atoms are in a substance
- – The row number in the periodic table, same as the number of shells
- – Number written small and low to show how many atoms in a molecule
- – Substances you start with in a chemical reaction
- – What atoms do with electrons in a covalent bond
24 Clues: – Bond where atoms share electrons • – Two or more atoms joined together • – Substance made of only one type of atom • – Process that makes glucose using sunlight • – Metal with a relative atomic mass of 24 g/mol • – Combustion is an example of this kind of change • – What atoms do with electrons in a covalent bond • – Substances you start with in a chemical reaction • ...
Chemistry A 2025-05-22
Across
- Orbits the nucleus in a cloud
- Contains Hydrogen, Helium, Iron, etc.
- Protons and Neutrons are added together
- pH of 0-6
- Releases gamma rays
- Absorbs heat
- Found on the Periodic Table
- Cloud Contains Electrons, Around the nucleus
- Changes Appearance
- The state of matter That Ice is in
- If you take one light bulb out of this circuit the other light bulb turns off
- The amount of space an object takes up
- Liquid to Gas
- Gas to Solid
- Gas to Liquid
- Has a positive charge
- Solid to Gas
- If you take one light bulb out and the other light bulb stays on
- Electricity Circulating through a battery
- The amount of power in a battery
- The state of matter that fog is in
Down
- Releases a Positron and a Neutrino
- Measured in Ohm's
- pH of 8-14
- The area that the surface of an object takes up
- The state of matter that Water is in
- Forms new substance
- Releases a Proton an a Electron
- Another word for a base
- Two or more elements combined together
- The weight of an object
- Liquid to Solid
- When an Atom loses Valence Electrons
- An atom with the same # of protons, but a different # of neutrons
- The ability to do work
- The state of matter that lightning and the Sun are in
- The amount of matter inside an object
- The force pushing electrons/electricity
- When an Atom Gains Valence Electrons
- Two atoms share elctrons
- Contains a nucleus, protons, neutrons, and electrons
- pH of 7
- Has a neutral or no charge
- Releases heat
- # of protons and electrons in an atom
- The center of an atom
- Gas to Plasma
- Solid to Liquid
- Releases an Alpha particle
- An Atom that gains or loses electrons
50 Clues: pH of 7 • pH of 0-6 • pH of 8-14 • Absorbs heat • Gas to Solid • Solid to Gas • Releases heat • Liquid to Gas • Gas to Liquid • Gas to Plasma • Liquid to Solid • Solid to Liquid • Measured in Ohm's • Changes Appearance • Forms new substance • Releases gamma rays • Has a positive charge • The center of an atom • The ability to do work • Another word for a base • The weight of an object • ...
Nuclear Chemistry 2025-10-16
Across
- element formed when iodine undergoes beta decay
- energy released during decay; no charge or mass
- what is the mass number of an alpha particle?
- element formed when uranium undergoes alpha decay
- nuclei change in order to become more ________
- an isotope of this element is used to date once-living things
- an alpha particle is really a ______ nucleus
- wearable badge that tracks radiation exposure
- when a nucleus splits into smaller ones
- in the nucleus, protons ______ each other
Down
- metal that can stop gamma rays
- instability has to do with the differences between the number of protons and ___
- the time it takes for half of a sample to decay
- an alpha particle has how many protons?
- most common cancer caused by radiation
- particle that has a mass of 4 amu
- particle with a negative charge
- element formed when carbon undergoes beta decay
- in beta decay, the atomic number _____ by one
- an instrument used to detect radiation
- two smaller nuclei combine to form one larger nucleus
- half-life is the amount of ___ it takes for a sample to decay
22 Clues: metal that can stop gamma rays • particle with a negative charge • particle that has a mass of 4 amu • most common cancer caused by radiation • an instrument used to detect radiation • an alpha particle has how many protons? • when a nucleus splits into smaller ones • in the nucleus, protons ______ each other • an alpha particle is really a ______ nucleus • ...
Chemistry Crossword 2026-01-23
20 Clues: Salt • Teeth • Pills • Pipes • Rubber • Bad air • balloons • Batteries • Light Bulb • Glow Sticks • Bone health • strong bones • Heart Health • refrigerants • Found in pools • computer chips • x-ray machines • Earth's atmosphere • Cant live without it • mostly found in water
Chemistry Review 2026-02-04
Across
- does not mix, opposite
- force that holds atoms together
- electrons are transferred
- pure substance
- electrons in the outer shell
- center of an atom
- two or more elements
- substance you start with
- positively charged
- one substance dissolves in another
- water
- substance being dissolved
- number of protons in an element
Down
- no new substance is formed
- how much mass is in a certain amount of volume
- protons and neutrons
- two or more substances that are combined
- atom with a charge
- number placed in front of the formula
- does mix, same
- substance you end with
- takes up space
- creates a new substance
- negatively charged
- amount of solute in a given solution
- neutral, no charge
- electrons are shared
- substance that does the dissolving
- small number inside a formula
29 Clues: water • does mix, same • takes up space • pure substance • center of an atom • atom with a charge • negatively charged • neutral, no charge • positively charged • protons and neutrons • electrons are shared • two or more elements • does not mix, opposite • substance you end with • creates a new substance • substance you start with • electrons are transferred • substance being dissolved • ...
Chemistry Fun 2025-12-17
Across
- A type of bond formed by the transfer of electrons between a metal and a nonmetal.
- The group 17 elements that are highly reactive nonmetals.
- A substance that speeds up a chemical reaction without being consumed.
- Molecules with the same molecular formula but different structural arrangements.
- The name for electrons in the outermost shell of an atom.
- The emission of light by a substance without combustion or perceptible heat.
- The substance in a solution that does the dissolving (usually water).
- The process in which an atom loses electrons during a reaction.
- A measure of how strongly an atom attracts electrons in a chemical bond.
- An insoluble solid that forms and settles out of a liquid mixture.
- The process in which an atom gains electrons during a reaction.
Down
- The subatomic particle that determines an element's identity.
- The SI unit used to measure the amount of a substance (6.022×1023 particles).
- A technique used to determine the concentration of an unknown solution.
- Atoms of the same element with different numbers of neutrons.
- A reaction that absorbs energy from the surroundings.
- A type of bond where electrons are shared between two nonmetals.
- A reaction that releases energy in the form of heat to the surroundings.
- Different physical forms in which an element can exist (e.g., graphite vs. diamond).
- The law stating that physical and chemical properties of elements recur in a predictable way.
20 Clues: A reaction that absorbs energy from the surroundings. • The group 17 elements that are highly reactive nonmetals. • The name for electrons in the outermost shell of an atom. • The subatomic particle that determines an element's identity. • Atoms of the same element with different numbers of neutrons. • ...
Advance Chemistry 2026-02-25
Across
- – Organic compounds that are non-aromatic and may exist as straight chains, branched chains, or non-benzene rings.
- – The property of an element, especially carbon, to bond with itself to create chains or rings.
- – The most basic alkane, consisting of one carbon atom bonded to four hydrogen atoms.
- – Hydrocarbons that include at least one carbon–carbon triple bond.
- – An atom or cluster of atoms that replaces a hydrogen atom in a parent chain.
- – Organic compounds with a carbonyl group positioned at the end of a carbon chain.
- – A fragment of an alkane formed after the removal of one hydrogen atom.
- – Refers to non-aromatic ring compounds that display properties of aliphatic compounds.
- – A positively charged particle located inside an atom’s nucleus.
- – Organic compounds that contain the carboxyl (-COOH) functional group.
- – Hydrocarbons that contain only single covalent bonds between carbon atoms; they are fully saturated.
- – Saturated hydrocarbons whose carbon atoms form a ring structure.
- – A ring-shaped hydrocarbon made up of six carbon atoms with alternating double bonds.
- – Compounds that have a carbonyl group located within the interior of the carbon chain.
- – A neutral particle found in the nucleus of an atom.
- – Describes a molecule with uneven charge distribution, resulting in partial positive and negative ends.
- – A negatively charged particle that moves around the nucleus of an atom.
- – Numerical values that define the position, energy, and orientation of an electron in an atom.
Down
- – A type of bond formed through the attraction between positively and negatively charged ions.
- – Organic substances that possess a hydroxyl (-OH) functional group.
- – Specific regions around the nucleus where electrons are likely to be found.
- – Organic compounds characterized by a -COOR group and commonly associated with pleasant, fruity odors.
- – An electron found in the outermost energy level of an atom, involved in bonding.
- – Compounds in which an oxygen atom is bonded to two carbon-containing groups.
- – A branch of chemistry focused on carbon-containing compounds.
- - The force or attraction that holds atoms together in a compound.
- – Chemical compounds composed entirely of carbon and hydrogen atoms.
- – The global organization that standardizes chemical naming conventions.
- – Atom arrangements that connect in a closed-loop or ring form.
- – A bond created when atoms share pairs of electrons.
- – A hydrocarbon belonging to the alkane family with four carbon atoms.
- – Chemical compounds that typically contain carbon bonded to hydrogen.
- – Hydrocarbons that have at least one carbon–carbon double bond.
- – A representation indicating the exact number of each type of atom in a molecule.
- – The principle that atoms tend to achieve eight valence electrons by gaining, losing, or sharing electrons.
35 Clues: – A bond created when atoms share pairs of electrons. • – A neutral particle found in the nucleus of an atom. • – A branch of chemistry focused on carbon-containing compounds. • – Atom arrangements that connect in a closed-loop or ring form. • – Hydrocarbons that have at least one carbon–carbon double bond. • ...
Chemistry Vocab 2025-08-28
Across
- A liquid is boiled to produce a vapor that is then condensed into a liquid
- A mixture in which the composition is uniform throughout
- The simplest form of matter that has a unique set of properties
- Also called a chemical change
- how the substance looks and feels
- Seperates a solid from a liquid
- A form of matter that has an indefinite shape, flows, and has fixed volume
- A substance that contains two or more elements chemically combined in a fixed proportion
- The gaseous state of a substance that is generally a liquid or a solid at room temperture
- the amount of space an object occupies
- A solid that forms and settles out of a liquid mixture
- the amount of matter in an object
- Some properties change but the composition of the material DOES NOT change
- A form of matter that has a definite shape and volume
- Depends on the amount of matter in a sample
- the ratio of mass to volume
Down
- the ability of a substance to be hammered flat and to retain its new shape
- A form of matter that takes both shape/volume of container
- Depends on the type of matter in a sample
- Some elements react with oxygen
- Used to describe any part of a sample with uniform compositions and property
- A mixture in which the composition is not uniform throughout
- Some elements react with water
- A change that produces matter with a different compostion than the original matter
- A physical blend of two or more components
- A substance produced in the reaction
- A quality or condition of a substance that can be observed or measured without changing its compostion
- The ability of a substance to undergo a specific chemical change
- the way that a substance reflects light
- the ability of a substance to be stretched into a wire
- A substance present at the start of the reaction
- a measure of the average kinetic energy of particles in a substance
- Matter that has uniform and definite compositition
- how the object absorbs and reflects light
34 Clues: the ratio of mass to volume • Also called a chemical change • Some elements react with water • Some elements react with oxygen • Seperates a solid from a liquid • how the substance looks and feels • the amount of matter in an object • A substance produced in the reaction • the amount of space an object occupies • the way that a substance reflects light • ...
Chemistry crossword 2026-01-06
Across
- the energy required to melt a solid
- changing into a gas/solid/liquid
- changing from a liquid to gas
- when energy goes from the surroundings to the object
- a reaction between two or more chemicals
- changing from a solid to a liquid
- energy having to do with the objects position
- when energy is transferred because of temperature
- hot or cold
- the main focus of this chapter
- specific______ capacity
- everythingaround the thing being studied
Down
- says that you cannot destroy or create energy
- the energy reqired to evaporate a liquid
- the study of heat and work
- energy that has to do with movement
- the unit that describes quantities of energy
- when two objects reach the same temperature
- when energy leaves to the surroundings
- an object that is being studied
20 Clues: hot or cold • specific______ capacity • the study of heat and work • changing from a liquid to gas • the main focus of this chapter • an object that is being studied • changing into a gas/solid/liquid • changing from a solid to a liquid • the energy required to melt a solid • energy that has to do with movement • when energy leaves to the surroundings • ...
Chemistry Vocab 2026-01-08
Across
- The attractive force that holds atoms or ions together.
- A chemical bond that involves sharing a pair of electrons between atoms in a molecule.
- The condition of an atom expressed by the number of electrons that the atom needs to reach its elemental form.
- A positively charged ion.
- A covalent bond in which two atoms share one pair of electrons.
- Diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.
- Ions formed from a single atom.
- Gives the simplest whole number ratio of the ions which form an ionic compound.
- A substance made up of atoms of two or more different elements joined by chemical bonds.
Down
- Bonding at least two nonmetals and have an electromagnetically difference.
- A bond formed by the attraction between positively charged metal ions and the electrons around them.
- The basic unit of a chemical element.
- Electrons on the outermost energy level of an atom.
- An ionic compound whose aqueous solution conducts an electric current.
- A compound that is composed of molecules.
- States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons.
- A chemical bond resulting from the attraction between oppositely charged ions.
- A charged group of covalently bonded atoms.
- A chemical bond formed when atoms share three pairs of electrons.
- A charged atom.
- A negatively charged ion.
- Hydrogen and helium only want two electrons.
- A chemical bond formed when atoms share two pairs of electrons.
- Metal and nonmetal elements join together.
24 Clues: A charged atom. • A positively charged ion. • A negatively charged ion. • Ions formed from a single atom. • The basic unit of a chemical element. • A compound that is composed of molecules. • Metal and nonmetal elements join together. • A charged group of covalently bonded atoms. • Hydrogen and helium only want two electrons. • ...
Chemistry crossword 2025-09-18
Across
- neutral subatomic particle
- horizontal row on the periodic table
- positive ion
- an example is steam
- negative subatomic particle
- smallest unit of matter
- more electrons than protons
- measure of the amount of matter
- an example is ice
Down
- positive subatomic particle
- an example is water
- charged atom
- dull and easy to break
- more protons than electrons
- the mineral found in our bones and eggshells
- vertical column on the periodic table
- outermost
- the gas we breathe
- shiny and conducts heat and electricity
- mass divided by volume
- negative ion
21 Clues: outermost • charged atom • positive ion • negative ion • an example is ice • the gas we breathe • an example is water • an example is steam • dull and easy to break • mass divided by volume • smallest unit of matter • neutral subatomic particle • positive subatomic particle • more protons than electrons • negative subatomic particle • more electrons than protons • measure of the amount of matter • ...
Aquatic Chemistry 2026-03-12
Across
- a basic substance has a high concentration of this
- the name of the Adirondack Lake we will compare our pH and alkalinity water values with today
- the ion product constant of water
- carbon system (multiple carbon forms) that buffers pH in water
- this legislation significantly helped improve air quality and reduce acid rainfall in the northeast USA
- N2 -> NH4+ (nitrogen fixation) is an example of a ___________ redox reaction
- a change in pH can alter the solubility of __________ in water
- concentration of hydrogen ions in an aqueous solution
- in lab, you must add an acid until the pH is below _______ to create your titration curve
- the ability of water to neutralize or buffer acid
- negatively charged ion made of one carbon and three oxygen atoms; important in buffering water
Down
- determining concentration by slowly adding a solution until a reaction endpoint is reached
- lowest energy yield on a REDOX ladder producing “biogas”
- loss of electrons; often oxygen-rich
- involves the transfer of electrons, releases energy, and can lead to oxygen depletion in lakes and wetlands
- “always add _______ to water, never the reverse” (lab safety rule)
- a sudden drop in a lake’s pH, often occurring in spring snow melt season, when accumulated acidic compounds from snow are rapidly released
- microscopic living organisms that drive nutrient cycling
- the graduated cylindrical glassware that will be used to dispense the acid into water for the lab
- the strong acid you will titrate with today
- precipitation usually made by sulfur and nitrogen pollution in the atmosphere
21 Clues: the ion product constant of water • loss of electrons; often oxygen-rich • the strong acid you will titrate with today • the ability of water to neutralize or buffer acid • a basic substance has a high concentration of this • concentration of hydrogen ions in an aqueous solution • lowest energy yield on a REDOX ladder producing “biogas” • ...
Everything Chemistry 2026-03-10
Across
- Physically changing state from liquid to solid
- 'Fourth' state of matter that is hotter than the gas state and often glowing
- Group of elements on the periodic table that are usually shiny, solid, conductive, and bendable
- State of matter where particles are free-flowing but still stick together slightly, taking the shape of its container but *not* its full volume
- This is what we call a chemical reaction that has the same number of each atom on the reactants side AND products side
- A substance containing atoms of two or more *different* elements chemically bonded together
- "Stored energy due to the interactions between objects or particles."
- Chart that organizes all of the different elements into groups of similar properties
- A sample of matter that is made of at least two or more different substances
- Physically changing state from liquid to gas
- The amount of three-dimensional space an object takes up
- Common name of "H2O" in its liquid state
- Common name of "CO2" gas, carbon _______
- A substance that contains only *one* type of atom
- Physically changing state from solid to liquid
- "The amount of force per unit area applied to an object's surface."
- A sample of matter that is the same thing throughout
Down
- Physically changing state from solid to gas
- The substances needed before a chemical reaction can take place
- The resulting substances after a chemical has taken place
- A small particle that is the building block of matter
- "The measure of the average kinetic energy of the particles in a material."
- Common name of "CO2" *in its solid state!*
- Element name of the "O2" molecule
- Describes chemical reactions that release excess heat
- Type of energy associated with how fast things are moving
- "Two or more atoms that are held together by covalent bonds and act as a unit."
- "A process in which atoms of one or more substances rearrange to form one or more *new* substances."
- Describes chemical reactions that absorb heat from the outside and seemingly feel colder
- Common name of "H2O" in its gas state
- Common name of "H2O" in its solid state
- State of matter where particles are free-flowing with high kinetic energy, taking the shape and volume of whatever its container is
- "The amount of matter in an object."
- Coldest state of matter where particles are packed together in a defined shape, vibrating in place
34 Clues: Element name of the "O2" molecule • "The amount of matter in an object." • Common name of "H2O" in its gas state • Common name of "H2O" in its solid state • Common name of "H2O" in its liquid state • Common name of "CO2" gas, carbon _______ • Common name of "CO2" *in its solid state!* • Physically changing state from solid to gas • ...
Chemistry Bonus 2026-04-29
Across
- the number of protons in an atom
- horizontal rows on the periodic table
- substance that gives off H+ ions in water
- A change that forms a new substance
- a charged atom from gaining or losing electrons
- substance that makes OH- ions in water
- total number of protons and neutrons in an atom
- the smallest unit of an element that still keeps its properties
- state of matter with a set volume but no set shape
- vertical collums on the periodic table
Down
- the thing that gets disolved in a solution
- subatomic particle with a negitive charge
- the mass of one mole of a substance
- amount of substance used in chemisty
- substance made of 2 or more elements chemicly combined
- when a solid turns straight into a gas
- measure of how acidic or basic something is
- state of matter with no set shape or volume
- the thing that does the disolving
- when a gas turns straight into a solid
20 Clues: the number of protons in an atom • the thing that does the disolving • the mass of one mole of a substance • A change that forms a new substance • amount of substance used in chemisty • horizontal rows on the periodic table • when a solid turns straight into a gas • substance that makes OH- ions in water • when a gas turns straight into a solid • ...
Chemistry Puzzle 2026-04-27
Across
- – A chemical that reacts with a base to make salt and water; sour taste.
- – A substance that speeds up a reaction without being used up.
- – Negatively charged ions that gained electrons.
- – Positively charged ions that lost electrons.
- – A chemical that reacts with an acid to make salt and water; bitter taste.
- – Two substances join to make one compound.
- – A substance that can wear away materials.
- – A reaction that slowly damages metal.
- – When old bonds break and new bonds form.
- – A short-lived unstable stage during a reaction.
- – The minimum energy needed to start a reaction.
Down
- – An enzyme in saliva that breaks starch into sugar.
- – Energy stored in chemical bonds.
- – A chemical that can harm people, property, or the environment.
- – An enzyme in the liver that breaks down hydrogen peroxide.
- – One compound breaks into simpler substances.
- – A base that dissolves in water.
- – A solution where water is the solvent.
- – A reaction with oxygen that releases heat.
- – A molecule made of two atoms.
20 Clues: – A molecule made of two atoms. • – A base that dissolves in water. • – Energy stored in chemical bonds. • – A reaction that slowly damages metal. • – A solution where water is the solvent. • – When old bonds break and new bonds form. • – Two substances join to make one compound. • – A substance that can wear away materials. • – A reaction with oxygen that releases heat. • ...
Organic Chemistry 2026-04-30
Across
- a compound of carbon and hydrogen containing only single bonds, no rings, and having the general formula CnH2n+2
- have the same molecular formula but a different arrangement of the atoms in space
- diagrammatic representation of a molecule showing every bond
- a hydrocarbon that contains one carbon–carbon triple bond and the general formula CnH2n–2
- where the atoms are connected in a ring
- between a fuel and oxygen (usually) releasing heat energy.
- compound composed of carbon and hydrogen and containing only single covalent
- an atom or group of atoms attached to or part of a hydrocarbon chain that influence the physical and chemical properties of the molecule.
- strong bond between two atoms formed by two pairs of electrons that are shared by the two nuclei.
- a hydrocarbon that contains one carbon–carbon double bond and the general formula CnH2n
- very strong bond between two atoms formed by three pairs of electrons that are shared by the two nuclei.
- compounds that have the same molecular formula but a different semi-structural formula due to differences in the arrangement of the atoms.
Down
- compound containing carbon and hydrogen but possessing one or more double or triple bonds
- structural representation where a molecule is represented by lines and vertices; carbons and hydrogens are not shown but assumed to be at each vertex and at the ends unless otherwise indicated.
- has alkyl groups attached along the carbon chain
- series of organic compounds with the same general formula, in which the formula of one molecule differs from the next by a —CH2 group
- formed by one pair of electrons shared between two atoms
- hydrocarbons based on straight and branched chains of carbon atoms
- derived from the structural formula that shows the grouping of atoms in a molecule
- carbon atoms connected in one continuous line without any branches
- a reaction in which one molecule bonds covalently with another molecule without losing any other atoms; only one product is formed.
- formula that shows the simplest numerical ratio in which atoms are combined molecular formula actual number of atoms of each element in a molecule of a substance.
- compound containing only carbon and hydrogen
- molecule made up of thousands of units (monomers) strung together into very long chains.
- compound with the same structure as an alkane except that one or more of the hydrogen atoms has been replaced with halogen atoms.
25 Clues: where the atoms are connected in a ring • compound containing only carbon and hydrogen • has alkyl groups attached along the carbon chain • formed by one pair of electrons shared between two atoms • between a fuel and oxygen (usually) releasing heat energy. • diagrammatic representation of a molecule showing every bond • ...
Crossword Chemistry 2026-05-20
Across
- Device that circulates coolant for lab equipment
- Heated bath used with a rotary evaporator
- Technique used to remove compounds from a sample with solvent
- BUCHI freeze dryer product family
- Fast chromatography method often used for purification
- Danish chemist associated with organic nitrogen determination
- Device that cools vapor back into liquid
- Common sample property measured by NIR
- Mathematical model used to turn NIR spectra into results
- Technique for trapping active ingredients inside particles
- Round glass vessel used on a rotary evaporator
- Device that separates powder from gas in spray drying
- The N in NIR
- BUCHI portable NIR spectrometer
- Conversion of vapor back into liquid
- Classic extraction method using refluxing solvent
- Reduced-pressure condition used in evaporation and freeze-drying
- Phase that carries compounds through a chromatography column
- Swiss laboratory technology company associated with the Rotavapor
- Technique that separates compounds using mobile and stationary phases
- Process of washing compounds out of a chromatography column
- Property lowered by applying vacuum
Down
- Phase change from solid directly to vapor
- Liquid collected after condensation
- Fixed material in a chromatography column
- Light absorption measurement used in spectroscopy
- Tube that holds the stationary phase in chromatography
- Sample preparation step in Kjeldahl analysis
- Spray dryer part that creates droplets
- Near-infrared spectroscopy abbreviation
- Another word for freeze-drying
- Dry product collected after spray drying
- Liquid removed during rotary evaporation
- The IR in NIR
- Liquid entering a spray dryer
- BUCHI at-line NIR instrument for food and feed analysis
- BUCHI instrument used for rotary evaporation
- Macronutrient often estimated from nitrogen analysis
38 Clues: The N in NIR • The IR in NIR • Liquid entering a spray dryer • Another word for freeze-drying • BUCHI portable NIR spectrometer • BUCHI freeze dryer product family • Liquid collected after condensation • Property lowered by applying vacuum • Conversion of vapor back into liquid • Spray dryer part that creates droplets • Common sample property measured by NIR • ...
Chemistry Revision 2026-05-14
Across
- Different substances together that are not chemically joined
- The liquid that dissolves a substance
- Forming solid crystals from a solution
- The centre of an atom containing protons and neutrons
- The substance that dissolves in a liquid
- A shortcut way of showing atoms using symbols and numbers
- A method used to separate liquids using different boiling points
- A substance made from only one type of atom
- A method used to separate an insoluble solid from a liquid
- Making sure there are equal atoms on both sides of an equation
- Tiny negatively charged particles that move around the nucleus
- A mixture formed when a solute dissolves in a solvent
- The smallest part of an element that can still be identified
- Positively charged particles found in the nucleus
Down
- An atom with equal protons and electrons is this
- A substance made from two or more different elements chemically joined
- A substance that does not dissolve in a liquid
- A small number showing how many atoms are in a formula
- The number of protons plus neutrons in an atom
- Small particles in the nucleus with no charge
- A method where liquid turns into gas leaving solids behind
- A particle with a positive or negative charge
22 Clues: The liquid that dissolves a substance • Forming solid crystals from a solution • The substance that dissolves in a liquid • A substance made from only one type of atom • Small particles in the nucleus with no charge • A particle with a positive or negative charge • A substance that does not dissolve in a liquid • The number of protons plus neutrons in an atom • ...
Chemistry Crossword 2026-05-07
Across
- Which element was once commonly used in thermometers?
- Which element has 5 protons?
- Which element has an average atomic mass of 24.31?
- Which element is commonly used in electrical wiring?
- Which element is used in glowing signs?
- Which element is used to fill balloons so they float?
- Which element is important for strong bones?
- Which element do humans need to breathe?
- Which element has the symbol Fe?
- Which element has an average atomic mass of 39.10?
Down
- Which element is commonly found in pencils?
- Which element has 4 protons?
- Which element is the lightest metal?
- Which element has the symbol Ag and is used in jewelry?
- Which gas makes up most of Earth’s atmosphere?
- Which element is added to toothpaste for healthy teeth?
- Which element is widely used in computer chips?
- Which element has the symbol Ar?
- Which element has 17 protons?
- Which element has the symbol Na?
20 Clues: Which element has 5 protons? • Which element has 4 protons? • Which element has 17 protons? • Which element has the symbol Ar? • Which element has the symbol Na? • Which element has the symbol Fe? • Which element is the lightest metal? • Which element is used in glowing signs? • Which element do humans need to breathe? • Which element is commonly found in pencils? • ...
Chemistry Review 2026-06-18
Across
- A chemical formula that shows the simplest whole-number ratio of atoms in a compound.
- A property that depends on the amount of substance present, such as mass or volume.
- A substance composed of two or more elements in a fixed, definite proportion.
- A method of separating a solid from a liquid by pouring the mixture through porous paper in a funnel.
- Matter composed of two or more components in proportions that can vary from one sample to another.
- Mass The mass of one mole of a given substance.
- A model for the way nature is that tries to explain not just what nature does, but why.
- Sub-microscopic particles that serve as the fundamental building blocks of ordinary matter.
- A positively charged ion formed when an atom loses electrons.
- How close a series of measurements are to one another, or how reproducible they are.
- A substance that cannot be physically broken down into simpler substances.
Down
- Negatively charged subatomic particles that orbit outside the nucleus.
- The amount of force exerted per unit of area.
- The ratio of a substance's mass to its volume.
- The small, dense, positively charged center of an atom.
- Atoms of the same element that have the same number of protons but different numbers of neutrons.
- Anything that occupies space and has mass.
- The unique set of conditions on a phase diagram where all three states of matter coexist.
- A type of mixture with the same composition throughout because its atoms or molecules mix uniformly.
- A brief statement that summarizes past observations and predicts future ones.
- The amount of material containing Avogadro’s number (6.022×1023) of particles.
21 Clues: Anything that occupies space and has mass. • The amount of force exerted per unit of area. • The ratio of a substance's mass to its volume. • Mass The mass of one mole of a given substance. • The small, dense, positively charged center of an atom. • A positively charged ion formed when an atom loses electrons. • ...
Chemistry KS3 2026-07-15
Across
- State with no fixed shape
- Force exerted by particles
- Tiny piece of matter
- Abbreviation for an element
- State with fixed volume
- Smallest particle of element
- Liquid changing into gas
- Different elements chemically joined
- Amount of matter present
- Made of one substance
- Substance doing dissolving
- Shows number of atoms in substance
Down
- Separation by boiling point
- Separates insoluble solid
- State with fixed shape
- Substance being dissolved
- Substances not chemically joined
- Substance made of one atom type
- Spreading of particles
- Solute dissolved in solvent
20 Clues: Tiny piece of matter • Made of one substance • State with fixed shape • Spreading of particles • State with fixed volume • Liquid changing into gas • Amount of matter present • Separates insoluble solid • State with no fixed shape • Substance being dissolved • Force exerted by particles • Substance doing dissolving • Separation by boiling point • Abbreviation for an element • ...
Chemistry Review 2026-07-09
Across
- The name of my IC
- Digestion is a form of what type of change
- The columns of the periodic table are called...
- In a chemical equation, the state of matter is found in ________________.
- The heaviest reactive nonmetal
- The loudness of a sound wave
- A starting material in a chemical reaction is called a(n)...
- Bond is formed when a charge is stollen from another atom/molecule
- Energy _____________ is the movement of heat energy from one object to another
- A prediction made of what you think your research will find
- Type of heat transfer made from fried rice being cooked in a wok
- The symbol in a chemical formula which is similar to an equal sign
- The first nonmetal on the periodic table
- The region of space with very low density of matter
- Name of the TF who was kind enough to teach my class when I was gone
- What has a formula of mass divided by volume
Down
- The type of wave that air particles vibrate back and forth in the same direction the wave travels
- The state of matter where the substance contains water
- The measure of how much mass is contained in a given volume of a substance
- If I have a high frequency I have a high ______
- Sound moves the slowest through these types of particles
- In the lab where we made chocolate chip cookies, the sugar or baking soda was this type of variable
- The substances made from a chemical reaction
- Bond that shares electrons and is formed between nonmetal atoms
- I am very g________l to have each of you be in my class!
- Both hydrogen and this element are exceptions to the octet rule
- Type of fork used to see salt jump from vibrations
- The only transition metal in liquid state at room temperature.
- High quantities of this element in salt can cause dehydration
- I am an actinoid to the right of curium
- ____________ explains what the evidence means
31 Clues: The name of my IC • The loudness of a sound wave • The heaviest reactive nonmetal • I am an actinoid to the right of curium • The first nonmetal on the periodic table • Digestion is a form of what type of change • The substances made from a chemical reaction • What has a formula of mass divided by volume • ____________ explains what the evidence means • ...
Biology + Chemistry 2026-07-08
Across
- The part of a cell containing genetic material
- The smallest part of an element that can exist
- Movement of water through a partially permeable membrane
- The basic unit of all living organisms
- A positively charged particle found in the nucleus
- The jelly-like substance where chemical reactions happen in a cell
- A biological catalyst that speeds up reactions
- A negatively charged particle found in shells around the nucleus
- A vertical column in the periodic table
- A structure containing cell sap in plant cells
- Atoms of the same element with different numbers of neutrons
- A substance made of only one type of atom
- An element that usually does not conduct electricity
- The organelle where aerobic respiration happens
Down
- An element that usually conducts electricity and is shiny
- The organelle containing chlorophyll for photosynthesis
- Used to magnify objects too small to see with the naked eye
- The structure where proteins are made
- An energy level containing electrons around the nucleus
- Two or more substances together that are not chemically joined
- A group of tissues working together
- A group of similar cells working together
- The centre of an atom containing protons and neutrons
- Controls what enters and leaves a cell
- A charged atom formed by gaining or losing electrons
- A substance made from two or more elements chemically bonded
- A horizontal row in the periodic table
- Movement of particles from high concentration to low concentration
- A particle in the nucleus with no charge
29 Clues: A group of tissues working together • The structure where proteins are made • The basic unit of all living organisms • Controls what enters and leaves a cell • A horizontal row in the periodic table • A vertical column in the periodic table • A particle in the nucleus with no charge • A group of similar cells working together • A substance made of only one type of atom • ...
Nuclear Chemistry 2026-07-28
Across
- Combining small nuclei into a larger nucleus, releasing energy.
- An isotope with an unstable nucleus that undergoes radioactive decay.
- Element changes caused by spontaneous radioactive decay.
- A high-speed electron emitted from the nucleus.
- High-energy electromagnetic radiation emitted from a nucleus.
- Element changes caused by particle bombardment.
- A device that speeds up charged particles to high energies.
- The isotope produced after radioactive decay.
- The spontaneous emission of radiation from an unstable nucleus.
- The original radioactive isotope before decay.
- A process in which the nucleus captures an inner electron.
- A device that controls a fission chain reaction to produce energy.
- A reaction that changes the nucleus of an atom.
- A self-sustaining series of fission reactions.
- A helium nucleus containing 2 protons and 2 neutrons.
- The force that holds nucleons together within the nucleus.
- The region where neutron-to-proton ratios result in stable nuclei.
- The energy that holds protons and neutrons together in a nucleus.
Down
- A positively charged electron emitted during certain radioactive decays.
- Energy emitted as particles or electromagnetic waves.
- The total number of protons and neutrons in a nucleus.
- Striking nuclei with high-energy particles to induce reactions.
- The dense center of an atom containing protons and neutrons.
- The number of protons in the nucleus.
- A specific isotope characterized by its number of protons and neutrons.
- Atoms of the same element with different numbers of neutrons.
- The process by which an unstable nucleus releases energy or particles and changes into a more stable nucleus. -
- The difference between the mass of a nucleus and the sum of its particles.
- The time required for half of a radioactive sample to decay.
- The conversion of one element into another through nuclear processes.
- A proton or neutron located in the nucleus.
- Hazardous material containing radioactive substances.
- A symbolic representation of a nuclear reaction showing changes in mass number and atomic number.
- Using radioactive decay and half-life to determine the age of materials.
- Splitting a large nucleus into smaller nuclei, releasing energy.
35 Clues: The number of protons in the nucleus. • A proton or neutron located in the nucleus. • The isotope produced after radioactive decay. • The original radioactive isotope before decay. • A self-sustaining series of fission reactions. • A high-speed electron emitted from the nucleus. • Element changes caused by particle bombardment. • ...
Organic Chemistry 2026-08-17
Across
- The phase change that occurs when a gas cools down and turns back into a liquid inside the tower.
- The state of matter at the very top of a fractionating column where the smallest alkanes exit.
- The force holding atoms together in a molecule.
- In fractional distillation, substances are separated because they have different ______ points.
- The element whose symbol is C and forms the backbone of all organic molecules.
- A compound made only of hydrogen and carbon atoms.
- The number of carbon atoms in a propane molecule.
- The type of chemical bond formed when carbon and hydrogen atoms share electrons.
- The main gas found in natural gas and the simplest alkane molecule.
- DISTILLATION, The physical process used to separate the different mixtures in crude oil.
- The name of the five-carbon alkane whose prefix means five, just like a shape with five sides.
- The thick, sticky fraction at the very bottom of the tower used for surfacing roads.
Down
- The number of covalent bonds a carbon atom usually forms.
- The branch of chemistry that studies carbon compounds.
- The formula C2H5F is the molecular formula of this haloalkane.
- The alkane with the formula C4H10
- The general family name for hydrocarbons with only single bonds.
- The prefix added to ethane to form the haloalkane CH3CH2Cl.
- The term for a group of hydrocarbons with similar boiling points that condense together.
- What the boiling point does as the carbon chain length of an alkane molecule increases.
- OIL, A thick, black liquid mixture of hydrocarbons found deep underground.
- The most abundant element in the universe, represented by the symbol H.
22 Clues: The alkane with the formula C4H10 • The force holding atoms together in a molecule. • The number of carbon atoms in a propane molecule. • A compound made only of hydrogen and carbon atoms. • The branch of chemistry that studies carbon compounds. • The number of covalent bonds a carbon atom usually forms. • The prefix added to ethane to form the haloalkane CH3CH2Cl. • ...
science 2022-09-08
Across
- a set of laws that are in chemistry
- who made the electron cloud model
- the modle that is most used
- the smallest unit that makes every thing
- the name of the element and how you
- know for introducing the atomic theory into chemistry
- helps you know what row it is
- the outer most layer of
Down
- it
- know for discovered the electron and then went on to propose a model for the structure of the atom.
- a table that has every know atom
- a positlvy charged atom
- a line in the periodic table
13 Clues: it • a positlvy charged atom • the outer most layer of • the modle that is most used • a line in the periodic table • helps you know what row it is • a table that has every know atom • who made the electron cloud model • a set of laws that are in chemistry • the name of the element and how you • the smallest unit that makes every thing • ...
Art is Science and Science is Art 2024-12-10
Across
- Substance ground into powder for use in paints or cosmetics
- A painted medium which is used to suspend pigments
- Instruments used in both art and chemistry for precision
- Ancient discipline combining science and mysticism
- A technique that blends colors seamlessly in painting
- Color spectrum tool often associated with Newton
Down
- Science of the elements and their transformations
- The metallic element commonly associated with alchemy
- A tool for measuring
- A branch of physics dealing with light and optics
- Greek word for "craft," related to alchemy
- Renaissance artist known for scientific sketches
- A chemical reaction that absorbs heat
13 Clues: A tool for measuring • A chemical reaction that absorbs heat • Greek word for "craft," related to alchemy • Renaissance artist known for scientific sketches • Color spectrum tool often associated with Newton • Science of the elements and their transformations • A branch of physics dealing with light and optics • A painted medium which is used to suspend pigments • ...
my favorite subjects 2022-06-08
SUBJECTS 2024-07-10
Subjects 2023-09-27
Las asignaturas / Subjects 2025-04-16
school subjects 2024-11-09
Las asignaturas 2020-12-13
18 Clues: la física • el dibujo • el inglés • la química • el español • la historia • la biología • los idiomas • la religión • las ciencias • la geografía • la tecnología • la informática • las asignaturas • las matemáticas • el arte dramático • las empresariales • la educación física
June- Things Dad Loves 2024-05-28
18 Clues: Kids • pals • Spouse • Woodwork • Rink game • Mowing site • Summer game • Jogging gear • Workshop items • Vegetable plot • Plays on words • Afternoon snooze • Household animals • Fall weekend game • Rod and reel sport • Chess and checkers • Physics or chemistry • Coupes and convertibles
TỪ MỚI 2022-10-13
18 Clues: vở • nói • học • thích • tranh • làm vỡ • giờ học • môn hoá • yêu thích • khác nhau • thực hành • được gợi ý • môn vật lí • màu, tô màu • dùng, sử dụng • chắc chắn rồi • Tiếng Tây Ban Nha • leson giờ mĩ thuật
French subjects spellings 2016-04-20
El Colegio 2021-09-14
STOICHIO 2024-11-30
Across
- I am like the main ingredient in a recipe. If you run out of me, the cooking (reaction) stops. Who am I?
- I am like a grocery receipt that shows how many items you bought. In chemistry, I tell you how many particles are in a given amount of substance. Who am I?
- I am like the amount of cake you expect to bake if everything goes perfectly. In chemistry, I represent the maximum amount of product possible. Who am I?
- I am like the extra ketchup packets you have left after a meal. In chemistry, I represent what is left over after the reaction ends. Who am I?
- I am like a dozen donuts in a box, but instead of 12, I represent 6.022 × 10²³ of something. Who am I?
Down
- I am like a shopping scale, helping you figure out how many apples you’re buying by their weight. In chemistry, I help you calculate the number of moles from mass. Who am I?
- I am like a balloon. My size changes with the amount of gas inside. In chemistry, I represent the volume of gas at standard conditions. Who am I?
- I am like the actual number of cookies you bake, which may be less than expected due to mistakes. Who am I?
- I am like the standard size of a soda can, but for gases. At standard conditions, I represent the space occupied by one mole of gas. Who am I?
- I am like a recipe that tells you exactly how much sugar and flour you need to bake a cake. In chemistry, I tell you the ratio of reactants and products in a reaction. Who am I?
10 Clues: I am like a dozen donuts in a box, but instead of 12, I represent 6.022 × 10²³ of something. Who am I? • I am like the main ingredient in a recipe. If you run out of me, the cooking (reaction) stops. Who am I? • I am like the actual number of cookies you bake, which may be less than expected due to mistakes. Who am I? • ...
科目 2017-09-26
Unit 2 crossword puzzle 2022-02-04
14 Clues: 2+2=4 • Photo • atklāt • potions • izgudrot • Einstine • bioloģija • pele(dators) • Solar sistem • lietotājvārds • stars and moon's • gudrais telefons • *******(security) • jumping(not on the moon)
school 2021-03-03
15 Clues: sing • sports • formula • cooking • drawing • experiment • place to study • technology study • energy and force • living organisms • write assignment • elements compounds • to write something • writing school lesson • knowledge of the lesson
spanish vocab crossword 2020-11-13
15 Clues: la tiza • la mesa • la tarea • la pluma • la puerta • la ventana • el horario • la mochila • la quimica • la papelera • el borrador • las ciencias • el periodismo • el escritorio • la contibilidad
spanish vocab crossword 2020-11-13
15 Clues: la tiza • la mesa • la tarea • la pluma • la puerta • la ventana • el horario • la mochila • la quimica • la papelera • el borrador • las ciencias • el periodismo • el escritorio • la contibilidad
Science 2024-02-13
Across
- yeast
- salty
- savory
- fat/salt/acid assist
- olive oil
- molecules rearranging
- oven
- oxygen+heat+fuel=fire
- scientific study of chemicals
- protein strands unfolding
Down
- making food
- charing or caramelization
- water+gluten
- exchange of hydrogen atoms
- exchange of hydrogen atoms
- browning
- water and oil
- whipping or steaming
- heat+sugar
- sour
20 Clues: oven • sour • yeast • salty • savory • browning • olive oil • heat+sugar • making food • water+gluten • water and oil • fat/salt/acid assist • whipping or steaming • molecules rearranging • oxygen+heat+fuel=fire • charing or caramelization • protein strands unfolding • exchange of hydrogen atoms • exchange of hydrogen atoms • scientific study of chemicals
school 2025-02-03
20 Clues: 1+1 • phases • y=mx+b • essays • 1+1xy_5 • military • newspaper • your body • mythology • sci waves • you write on • como te llamas • you write with • you write with • mixing mixtures • triangle theorem • reading passages • studies history • you get graded for • has multiple sheets of paper
school subjects 2024-11-09
school subjects 2024-11-09
Vocab test 11.11. 2025-11-09
chemistry for dummies 2020-05-07
Branches of Sience 2023-09-27
Across
- study of the earth
- living thing
- anything that has mass and takes up space
- kind of matter with uniform properties
Down
- study of bodyly structure of organisms
- study of organisms
- sciences biology, geology, physics, chemistry
- similar to weight
- study of the composition of matter the and interaction of substances
9 Clues: living thing • similar to weight • study of organisms • study of the earth • study of bodyly structure of organisms • kind of matter with uniform properties • anything that has mass and takes up space • sciences biology, geology, physics, chemistry • study of the composition of matter the and interaction of substances
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)
