chemistry Crossword Puzzles

CHEMISTRY ELEMENTS 2023-01-19

CHEMISTRY ELEMENTS crossword puzzle
Across
  1. this is the most expensive element
  2. the only unreactive elements
  3. this is the gas we breathe out
  4. this is a halogen used in swimming pools
  5. this is made by reacting calcium and fluorine
  6. the gas required for burning
  7. this is the most reactive metal
  8. this is the most common solvent
  9. burns with a bright white light
Down
  1. this gas burns with a pop
  2. the lead in the pencil
  3. this is the chemical name for salt
  4. strong and light and is used to make aircraft
  5. the name of group one on the periodic table
  6. this metal rusts

15 Clues: this metal rusts • the lead in the pencil • this gas burns with a pop • the only unreactive elements • the gas required for burning • this is the gas we breathe out • this is the most reactive metal • this is the most common solvent • burns with a bright white light • this is the most expensive element • this is the chemical name for salt • this is a halogen used in swimming pools • ...

Chemistry Terms 2023-02-15

Chemistry Terms crossword puzzle
Across
  1. the simplest structural unit of an element or compound
  2. when water dissolves a compound
  3. a substance with a high vapor pressure
  4. the liquid that dissolves the solid in a solution
  5. when the maximum amount of solute is dissolved in a liquid
Down
  1. the smallest component of an element
  2. a solvent is added to a solution making it less concentrated
  3. a row of the periodic table
  4. an idea evoked by some experience
  5. an ionic compound
  6. a protein that acts as a catalyst in a biochemical reaction
  7. the solid that gets dissolved in a solution
  8. a unit of concentration
  9. the amount of matter in a substance
  10. a unit of measurement

15 Clues: an ionic compound • a unit of measurement • a unit of concentration • a row of the periodic table • when water dissolves a compound • an idea evoked by some experience • the amount of matter in a substance • the smallest component of an element • a substance with a high vapor pressure • the solid that gets dissolved in a solution • ...

Organic Chemistry 2023-05-01

Organic Chemistry crossword puzzle
Across
  1. ketone monosaccharide
  2. monosaccharide with 3 carbons
  3. aldehyde monosaccharide
  4. functional group with the carbonyl carbon bonded to two alkyl groups
  5. called sugars and starches
Down
  1. the functional group of a carboxylic acid is called the ____ group
  2. cyclic ester
  3. Saponification is ester hydrolysis using aqueous ____
  4. monosaccharide with 4 carbons
  5. ______ group: carbon double bonded to an oxygen
  6. the name of a two carbon aldehyde
  7. cyclic amide
  8. the reduction of an aldehyde yields a primary _______
  9. carbonyl compounds that contain an alkoxy group bonded to the carbonyl carbon
  10. functional group with the carbonyl carbon bonded to at least one hydrogen

15 Clues: cyclic ester • cyclic amide • ketone monosaccharide • aldehyde monosaccharide • called sugars and starches • monosaccharide with 4 carbons • monosaccharide with 3 carbons • the name of a two carbon aldehyde • ______ group: carbon double bonded to an oxygen • Saponification is ester hydrolysis using aqueous ____ • the reduction of an aldehyde yields a primary _______ • ...

chemistry IGSCE 2023-05-14

chemistry IGSCE crossword puzzle
Across
  1. Shows all the bonds as individual lines
  2. reaction between propane and bromine gas (type of reaction)
  3. large molecule formed when monomers add on
  4. observation when metal reacts with acid
  5. change of state from liquid to solid
  6. least reactive Alkali metal
  7. remains chemically unchanged at the end of the experiment
Down
  1. bonding present in but-1-ene
  2. used to separate a solvent from a mixture
  3. Contains only Carbon-Carbon single bonds
  4. reaction which can go both ways
  5. colour of silver bromide precipitate
  6. colour of solid iodine
  7. vertical columns in the periodic table
  8. heat given out to the surroundings

15 Clues: colour of solid iodine • least reactive Alkali metal • bonding present in but-1-ene • reaction which can go both ways • heat given out to the surroundings • colour of silver bromide precipitate • change of state from liquid to solid • vertical columns in the periodic table • Shows all the bonds as individual lines • observation when metal reacts with acid • ...

chemistry crosswaord 2012-12-02

chemistry crosswaord crossword puzzle
Across
  1. a naturally occurring substance that is solid and stable at room temperature
  2. element that has the chemical symbol 'Fe'
  3. method of extraction using an electrical current
  4. furnace a type of metallurgical furnace used for smelting to produce industrial metals
  5. gold, silver and ______ are very unreactive
  6. the loss of oxygen
  7. rocks containing compunds
Down
  1. gold silver and platinum all have low _______ levels
  2. combination of two or more elements
  3. fourth most abundant element in the universe
  4. the gain of oxygen
  5. used in the making of planes to make them light
  6. elemnt with the chemical symbol 'K'
  7. chemical that is made up of one type of atom
  8. used in most wedding rings

15 Clues: the gain of oxygen • the loss of oxygen • rocks containing compunds • used in most wedding rings • combination of two or more elements • elemnt with the chemical symbol 'K' • element that has the chemical symbol 'Fe' • gold, silver and ______ are very unreactive • fourth most abundant element in the universe • chemical that is made up of one type of atom • ...

Chemistry Terms 2013-03-03

Chemistry Terms crossword puzzle
Across
  1. A mixture of molecules in a disorganized fashion.
  2. Descriptive properties that do not use numbers.
  3. A mixture of molecules in a uniform arrangement.
  4. A solid formed when two liquids are mixed and a chemical change occurs.
  5. Only have one type of atom bonded together.
  6. An arrangement of molecules that are close together with little motion.
  7. An arrangement of molecules that have lots of spaces and energy.
  8. Have more than one type of atom bonded together.
  9. An arrangement of molecules that have moderate distance and energy.
Down
  1. Matter that contains more than one type of molecule.
  2. Measured properties that are recorded as numerical values.
  3. Matter that contains only one type of molecule.
  4. ____________ Properties that are descriptive and give information about what a substance is like.
  5. ____________ Properties give us information about how a substance will react.
  6. The mass of a substance within a specified volume.

15 Clues: Only have one type of atom bonded together. • Matter that contains only one type of molecule. • Descriptive properties that do not use numbers. • A mixture of molecules in a uniform arrangement. • Have more than one type of atom bonded together. • A mixture of molecules in a disorganized fashion. • The mass of a substance within a specified volume. • ...

Foundation Chemistry 2013-02-26

Foundation Chemistry crossword puzzle
Across
  1. This implies that only one mole of any gas at STP is able to occupy a volume of 22,4dm3.
  2. Atoms of the same element having the same atomic number but consisting of different atomic numbers.
  3. A region in which there is a high prop-ability of electronic movement.
  4. Its symbol is capital N and small capital A, .
  5. This element belongs to group 4 and is located in period 3.
  6. Plants produce this gas for everyday living.
  7. This scientist stated that "protons are not evenly distributed throughout the atom, but is concentrated inside the nucleus."
  8. The mass of one mole is called the .......
  9. The number of protons in the nucleus of an atom of an element.
  10. This element makes the the rock which most women love to have on their fingers.
Down
  1. The simplest ratio in which the elements of a compound combine with each other to form the compound.
  2. It refers to the number of electrons that an atom can accept, donate or share, in order to achieve the structure of the nearest noble gas.
  3. This gas fills up party ballons.
  4. In 1912, he discovered the neutron, an electrically neutral particle with a mass similar to that of the proton's.
  5. This gas is used to fill the bright lights, which flashes various colours, in big cities.

15 Clues: This gas fills up party ballons. • The mass of one mole is called the ....... • Plants produce this gas for everyday living. • Its symbol is capital N and small capital A, . • This element belongs to group 4 and is located in period 3. • The number of protons in the nucleus of an atom of an element. • ...

Chemistry Crossword 2013-05-12

Chemistry Crossword crossword puzzle
Across
  1. The process in a reaction where energy in the form of heat is released.
  2. This is the smallest type of particle.
  3. The only form of iron corrosion.
  4. The scientific term for 'burning'.
  5. A particle with a net charge.
  6. This is what the the three things needed for fire are collectively known as.
  7. The process in a reaction where energy in the form of heat is absorbed.
  8. This gas takes up roughly 21% of Earth's atmosphere.
  9. This gas is the most abundant gas in the Earth's atmosphere.
Down
  1. A substance composed of two or more elements that are chemically combined together
  2. A substance that is combined of two or more elements chemically combined together.
  3. This is the most common greenhouse gas.
  4. This is the process of which people use to stop iron corrosion, by strengthening the material.
  5. This type of matter is listed on the periodic table.
  6. A substance composed of two or more atoms of different elements.

15 Clues: A particle with a net charge. • The only form of iron corrosion. • The scientific term for 'burning'. • This is the smallest type of particle. • This is the most common greenhouse gas. • This type of matter is listed on the periodic table. • This gas takes up roughly 21% of Earth's atmosphere. • This gas is the most abundant gas in the Earth's atmosphere. • ...

FOCUS Chemistry 2013-09-12

FOCUS Chemistry crossword puzzle
Across
  1. Element with a different number of neutrons but the same number of protons and electrons
  2. Reaction that can go either way
  3. Describing chemical reactions with equations and simple whole number ratios
  4. Found in vast amounts
  5. Molecule consisting of two atoms
  6. Smallest unit of an element
  7. Element which exists in more than one structural form
  8. A species with an unpaired electron
Down
  1. When the rate of the forward and backward reactions are the same
  2. Made up of
  3. Reaction process
  4. Making of a compound
  5. How easily something dissolves
  6. Speed of reaction
  7. Unusual result

15 Clues: Made up of • Unusual result • Reaction process • Speed of reaction • Making of a compound • Found in vast amounts • Smallest unit of an element • How easily something dissolves • Reaction that can go either way • Molecule consisting of two atoms • A species with an unpaired electron • Element which exists in more than one structural form • ...

Organic Chemistry 2017-02-16

Organic Chemistry crossword puzzle
Across
  1. สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน
  2. ตัวทำละลายอินทรีย์ที่เกิดจากอะตอมคาร์บอนหนึ่งตัวเกิดพันธะกับคลอรีนสี่ตัว
  3. ไอโซเมอร์ที่มีการจัดกลุ่มอะตอมหรือที่ว่างในโมเลกุลต่างกัน
  4. ชื่อของสารประกอบอินทรีย์ที่ประกอบขึ้นจากไฮโดรเจนและคาร์บอนทั้งหมด
  5. แอลกอฮอลล์ที่มีสูตรC2H6O
  6. สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่
  7. อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3
Down
  1. เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว
  2. แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว
  3. หมู่ฟังก์ชั่นที่มีสูตร-CHO
  4. สารประกอบไฮโดรคาร์บอนที่มีอะตอมคาร์บอนเรียงกันเป็นวงแหวนเบนซีน
  5. ปฏิกิริยาการเติม
  6. ปฏิกิริยาการแทนที่
  7. คุณสมบัติที่ทำให้ไม่ละลายในน้ำ
  8. ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์

15 Clues: ปฏิกิริยาการเติม • ปฏิกิริยาการแทนที่ • แอลกอฮอลล์ที่มีสูตรC2H6O • หมู่ฟังก์ชั่นที่มีสูตร-CHO • แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว • คุณสมบัติที่ทำให้ไม่ละลายในน้ำ • สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่ • เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว • สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน • อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3 • ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์ • ...

Organic Chemistry 2017-02-16

Organic Chemistry crossword puzzle
Across
  1. ปฏิกิริยาการแทนที่
  2. สารประกอบไฮโดรคาร์บอนที่มีอะตอมคาร์บอนเรียงกันเป็นวงแหวนเบนซีน
  3. ตัวทำละลายอินทรีย์ที่เกิดจากอะตอมคาร์บอนหนึ่งตัวเกิดพันธะกับคลอรีนสี่ตัว
  4. สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่
  5. เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว
  6. แอลกอฮอลล์ที่มีสูตรC2H6O
  7. ไอโซเมอร์ที่มีการจัดกลุ่มอะตอมหรือที่ว่างในโมเลกุลต่างกัน
  8. ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์
Down
  1. แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว
  2. ปฏิกิริยาการเติม
  3. ชื่อของสารประกอบอินทรีย์ที่ประกอบขึ้นจากไฮโดรเจนและคาร์บอนทั้งหมด
  4. หมู่ฟังก์ชั่นที่มีสูตร-CHO
  5. คุณสมบัติที่ทำให้ไม่ละลายในน้ำ
  6. อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3
  7. สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน

15 Clues: ปฏิกิริยาการเติม • ปฏิกิริยาการแทนที่ • แอลกอฮอลล์ที่มีสูตรC2H6O • หมู่ฟังก์ชั่นที่มีสูตร-CHO • แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว • คุณสมบัติที่ทำให้ไม่ละลายในน้ำ • สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่ • เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว • อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3 • สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน • ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์ • ...

Chemistry Crossword 2017-06-08

Chemistry Crossword crossword puzzle
Across
  1. Cloudy liquids that contain insoluble particles.
  2. A type of mixture that always looks cloudy.
  3. Dissolves in a liquid.
  4. It is the concentration of a solute in a solution.
  5. How much solute is in the solvent.
  6. Holding as much water or moisture as can be absorbed.
  7. A mixture of two or more liquids that are normally unmixable or unblendable.
Down
  1. A substance that stabilises an emulsion.
  2. Any liquid that dissolves another substances.
  3. Dissolves very easily in water.
  4. if there is a lot of solute.
  5. Liquid made up of a solvent with a solute dissolved in it.
  6. A substance made by mixing other substances together.
  7. Not mixed or adulterated with any other substance or material.
  8. Does not dissolve.

15 Clues: Does not dissolve. • Dissolves in a liquid. • if there is a lot of solute. • Dissolves very easily in water. • How much solute is in the solvent. • A substance that stabilises an emulsion. • A type of mixture that always looks cloudy. • Any liquid that dissolves another substances. • Cloudy liquids that contain insoluble particles. • ...

Chemistry crossword 2017-06-07

Chemistry crossword crossword puzzle
Across
  1. A type of mixture that always looks cloudy because of its insoluble particles that remain suspended throughout it
  2. Is reducing the concentration of a solute in solution
  3. A mixture of two or more liquids that are normally un-mixable or un-blend able
  4. Dissolves easily in water
  5. Is the abundance of a constituent divided by the total volume of a mixture
  6. Cloudy liquids that contain insoluble particles
  7. Dissolves in a liquid
  8. A pure substance is a substance that cannot separate by physical means
Down
  1. A combination of two or more substances
  2. A substance that stabilises an emulsion
  3. A liquid that dissolves another substance or substances
  4. How strong a substance is
  5. A liquid made up of a solvent with a solute dissolved in it
  6. Does not dissolve
  7. Containing the greatest possible number of hydrogen atoms

15 Clues: Does not dissolve • Dissolves in a liquid • Dissolves easily in water • How strong a substance is • A combination of two or more substances • A substance that stabilises an emulsion • Cloudy liquids that contain insoluble particles • Is reducing the concentration of a solute in solution • A liquid that dissolves another substance or substances • ...

Chemistry Vocabulary 2018-06-05

Chemistry Vocabulary crossword puzzle
Across
  1. between the oxygen and each hydrogen in a water molecule (H2O)
  2. a substance composed of exactly two different elements
  3. tells us the number of atoms of each element in a compound
  4. useful tool for determining the precision of your calculations
  5. linear molecular geometry describes the geometry around a central atom bonded to two other atoms
  6. a central atom is located at the center with four substituents that are located at the corners
  7. where two pairs of electrons are shared between the atoms rather than just one pair
  8. a chemical bond between two atoms involving six bonding electrons instead of the usual two in a covalent single bond
Down
  1. ratio between the amounts in moles of any two compounds involved in a chemical reaction
  2. molecular geometry has a central atom bonded to three other atoms or groups
  3. model used to predict the geometry of molecules based on minimizing the electrostatic repulsion of a molecule's valence electrons around a central atom
  4. When a covalent bond forms with one pair of shared electrons
  5. a chemical compound composed of ions held together by electrostatic forces termed ionic bonding
  6. the mass of a given substance divided by the amount of substance
  7. formed from the attraction between mobile electrons and fixed, positively charged metallic atoms

15 Clues: a substance composed of exactly two different elements • tells us the number of atoms of each element in a compound • When a covalent bond forms with one pair of shared electrons • between the oxygen and each hydrogen in a water molecule (H2O) • useful tool for determining the precision of your calculations • ...

Chemistry Vocabulary 2018-06-05

Chemistry Vocabulary crossword puzzle
Across
  1. molecular geometry has a central atom bonded to three other atoms or groups
  2. tells us the number of atoms of each element in a compound
  3. between the oxygen and each hydrogen in a water molecule (H2O)
  4. where two pairs of electrons are shared between the atoms rather than just one pair
  5. a substance composed of exactly two different elements
  6. a chemical compound composed of ions held together by electrostatic forces termed ionic bonding
  7. ratio between the amounts in moles of any two compounds involved in a chemical reaction
Down
  1. When a covalent bond forms with one pair of shared electrons
  2. model used to predict the geometry of molecules based on minimizing the electrostatic repulsion of a molecule's valence electrons around a central atom
  3. formed from the attraction between mobile electrons and fixed, positively charged metallic atoms
  4. useful tool for determining the precision of your calculations
  5. a chemical bond between two atoms involving six bonding electrons instead of the usual two in a covalent single bond
  6. a central atom is located at the center with four substituents that are located at the corners
  7. the mass of a given substance divided by the amount of substance
  8. linear molecular geometry describes the geometry around a central atom bonded to two other atoms

15 Clues: a substance composed of exactly two different elements • tells us the number of atoms of each element in a compound • When a covalent bond forms with one pair of shared electrons • useful tool for determining the precision of your calculations • between the oxygen and each hydrogen in a water molecule (H2O) • ...

Nuclear Chemistry 2018-11-18

Nuclear Chemistry crossword puzzle
Across
  1. A sequence of reactions where a reactive product or by-product causes additional reactions to take place
  2. The visible spectrum of electromagnetic radiation
  3. A nuclear reaction can be described by a ______________, which must be balanced
  4. A penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves and so imparts the highest photon energy
  5. Consists of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus. They are generally produced in the process of _____ decay
  6. Samples of an element with different numbers of neutrons in their atoms
  7. A process in which the nucleus of an atom is changed by being split apart or joined with the nucleus of another atom
  8. A graphical representation of the exponential rate at which radioactive disintegration occurs
  9. The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.
Down
  1. A reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic
  2. The process by which an unstable atomic nucleus loses energy by emitting radiation
  3. The time taken for the radioactivity of a specified isotope to fall to half its original value
  4. A high-energy, high-speed electron emitted by the radioactive decay of an atomic nucleus during the process of ____ decay
  5. The total number of protons and neutrons in a nucleus
  6. A nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts

15 Clues: The visible spectrum of electromagnetic radiation • The total number of protons and neutrons in a nucleus • Samples of an element with different numbers of neutrons in their atoms • A nuclear reaction can be described by a ______________, which must be balanced • The process by which an unstable atomic nucleus loses energy by emitting radiation • ...

General chemistry 2022-03-10

General chemistry crossword puzzle
Across
  1. catalyst for hydration of ethene
  2. CH4 + Br2 —> CH3 + HBr what reaction is this
  3. reaction between acid and alkali
  4. indicator used in titration (red in acid yellow in base)
  5. founder of the modern day periodic table
Down
  1. general formula = CnH2n+2
  2. giant covalent structure made of carbon atoms with a cage like structure
  3. what are formed in a reaction?
  4. chemical decomposition using electricity
  5. general term for both catalysts used for catalytic cracking
  6. bonds between non metal elements
  7. gas released in metallic bonding
  8. element with symbol W
  9. what is formed? carboxylic acid + ethanol
  10. bonding between metals and non metals

15 Clues: element with symbol W • general formula = CnH2n+2 • what are formed in a reaction? • bonds between non metal elements • catalyst for hydration of ethene • gas released in metallic bonding • reaction between acid and alkali • bonding between metals and non metals • chemical decomposition using electricity • founder of the modern day periodic table • ...

Experimental Chemistry 2022-01-01

Experimental Chemistry crossword puzzle
Across
  1. A gas with the highest composition in the air, and also generally inert, non-metallic, colorless, odorless, and tasteless.
  2. The substance collected on the filter paper during filtration process.
  3. This measuring apparatus is used to transfer 50 cm^3 of dilute hydrochloric acid solution into a flask.
  4. A gas which can be collected by both the displacement of air and the displacement of water.
  5. A process that is suitable to separate solid-solid mixtures or a solid-liquid mixture which contains an insoluble solid.
  6. These are added in distillation process to prevent bumping during boiling.
  7. A process when a solid substance changes into a gas directly without melting.
  8. A compound whose molecule is always formed by one carbon atom chemically joined with four hydrogen atoms.
Down
  1. A pure substance that is made up of atoms of two or more elements chemically combined together.
  2. A gas that can be collected via upward delivery because it is less dense than air and also highly soluble in water.
  3. This measuring apparatus is used to measure the volume of a solution accurately to 0.1 cm^3.
  4. A pure substance that cannot be broken down into any simpler substances by chemical methods.
  5. Fractional distillation is used to separate liquid-liquid mixtures which are _____, which means they dissolve in each other.
  6. This gas is collected via downward delivery because it is denser than air.
  7. One of the methods used to recover a pure solid from a solution; however, this method is used when a compound is not heat-stable.

15 Clues: The substance collected on the filter paper during filtration process. • This gas is collected via downward delivery because it is denser than air. • These are added in distillation process to prevent bumping during boiling. • A process when a solid substance changes into a gas directly without melting. • ...

Organic Chemistry 2022-01-25

Organic Chemistry crossword puzzle
Across
  1. hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms
  2. a chemical formula that identifies the location of chemical bonds between the atoms of a molecule.
  3. the process of breaking a covalent bond where one previously bonded species takes both original bonding electrons from the other species.
  4. a two-stage reaction process of an addition reaction followed by an elimination reaction
  5. an atom or a molecule that in chemical reaction seeks an atom or molecule containing an electron pair available for bonding
  6. a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of the compound
Down
  1. the simplest whole number ratio of atoms present in a compound
  2. relating to or denoting organic compounds in which carbon atoms form open chains (as in the alkanes), not aromatic rings.
  3. chemical bond dissociation of a molecular bond by a process where each of the fragments (an atom or molecule) retains one of the originally bonded electrons.
  4. a substance that takes part in and undergoes change during a reaction.
  5. a chemical reaction during which one functional group in a chemical compound is replaced by another functional group.
  6. has only single bonds between carbon atoms
  7. a reaction in which one molecule combines with another to form a larger molecule with no other products.
  8. a chemical species that forms bonds with electrophiles by donating an electron pair.
  9. an aromatic hydrocarbon (such as benzene or naphthalene)

15 Clues: has only single bonds between carbon atoms • an aromatic hydrocarbon (such as benzene or naphthalene) • the simplest whole number ratio of atoms present in a compound • a substance that takes part in and undergoes change during a reaction. • hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms • ...

Organic Chemistry 2022-01-25

Organic Chemistry crossword puzzle
Across
  1. hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms
  2. a chemical formula that identifies the location of chemical bonds between the atoms of a molecule.
  3. the process of breaking a covalent bond where one previously bonded species takes both original bonding electrons from the other species.
  4. a two-stage reaction process of an addition reaction followed by an elimination reaction
  5. an atom or a molecule that in chemical reaction seeks an atom or molecule containing an electron pair available for bonding
  6. a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of the compound
Down
  1. the simplest whole number ratio of atoms present in a compound
  2. relating to or denoting organic compounds in which carbon atoms form open chains (as in the alkanes), not aromatic rings.
  3. chemical bond dissociation of a molecular bond by a process where each of the fragments (an atom or molecule) retains one of the originally bonded electrons.
  4. a substance that takes part in and undergoes change during a reaction.
  5. a chemical reaction during which one functional group in a chemical compound is replaced by another functional group.
  6. has only single bonds between carbon atoms
  7. a reaction in which one molecule combines with another to form a larger molecule with no other products.
  8. a chemical species that forms bonds with electrophiles by donating an electron pair.
  9. an aromatic hydrocarbon (such as benzene or naphthalene)

15 Clues: has only single bonds between carbon atoms • an aromatic hydrocarbon (such as benzene or naphthalene) • the simplest whole number ratio of atoms present in a compound • a substance that takes part in and undergoes change during a reaction. • hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms • ...

Chemistry Crossword 2022-01-07

Chemistry Crossword crossword puzzle
Across
  1. ______ bonding involves a sharing of electrons
  2. _____ electrons are in the outermost shell of the atom
  3. the ____ rule says atoms will gain or lose enough electrons to have the same amount of electrons as a noble gas
  4. The chemical formula for an ionic compound that is arranged in the smallest whole-number ratio
  5. covalent bonds are a lot ____ than ionic bonds
  6. a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds.
Down
  1. The octet rule says that after losing or gaining electrons an atom will be _____ with a noble gas
  2. Central atom has no unshared pairs and is sharing electrons with 4 other atoms
  3. Central atom has one unshared pair and is sharing electrons with 3 other atoms
  4. ______ bonding involves a transfer off electrons
  5. H2O is what geometric shape
  6. CH2O is what geometric shape (hint _____ planar)
  7. The electron pairs (both shared and unshared) in the outermost energy level try to get as far apart from each other as possible.
  8. a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds.
  9. CO2 is what geometric shape

15 Clues: H2O is what geometric shape • CO2 is what geometric shape • ______ bonding involves a sharing of electrons • covalent bonds are a lot ____ than ionic bonds • ______ bonding involves a transfer off electrons • CH2O is what geometric shape (hint _____ planar) • _____ electrons are in the outermost shell of the atom • ...

Seawater Chemistry 2023-08-11

Seawater Chemistry crossword puzzle
Across
  1. The strong attraction between water molecules
  2. The attraction of water molecules to other substances
  3. The amount of dissolved substances in seawater
  4. How tightly packed molecules of a substance are; help to hold object afloat
  5. Water helps regulate __ changes
  6. Help maintain stable pH levels
  7. Water is made of two hydrogen atoms and one oxygen atom that are held together by __ bonds
  8. The electrons are not shared equally, so water is
Down
  1. Water is known as this, because it can dissolve almost anything
  2. Although the salinity of various samples of seawater may vary, the ratio of salts is constant
  3. Every year, the upper ___ of the ocean's surface evaporates.
  4. Most abundant ion in seawater
  5. The tendency of a substance to resist flow
  6. Viscosity increases when salinity does this
  7. These come from erosion, hydrothermal vents, & eroded shells

15 Clues: Most abundant ion in seawater • Help maintain stable pH levels • Water helps regulate __ changes • The tendency of a substance to resist flow • Viscosity increases when salinity does this • The strong attraction between water molecules • The amount of dissolved substances in seawater • The electrons are not shared equally, so water is • ...

Chemistry Vocab 2023-09-25

Chemistry Vocab crossword puzzle
Across
  1. Descriptive data with characteristics that can't be changed or counted
  2. What you observe
  3. Data that proves if your hypothesis is correct or incorrect.
  4. Accurate predictions based on experiments
  5. What you infer
  6. Results of experiment
  7. Group that doesn't change
  8. If,Then,Because
Down
  1. Numbers obtained by counting or measuring
  2. Observing results after the experiment
  3. Group changes based on what we change
  4. Variable that does change
  5. Variable that doesn't change
  6. Putting your hypothesis into action
  7. Problems that you answer

15 Clues: What you infer • If,Then,Because • What you observe • Results of experiment • Problems that you answer • Variable that does change • Group that doesn't change • Variable that doesn't change • Putting your hypothesis into action • Group changes based on what we change • Observing results after the experiment • Numbers obtained by counting or measuring • ...

Chemistry Terms 2023-10-04

Chemistry Terms crossword puzzle
Across
  1. element that has the property of shiny luster, ductility, and malleability
  2. element that lacks most of the properties of a metal, is not shiny, does not conduct electricity or heat well, is not malleable so it is called brittle or breakable.
  3. smallest part of an element that can be identified as that element
  4. able to be drawn into thin wires
  5. particle that has a negative charge - located in rings outside the nucleus of an atom. You can figure out the number of electrons by looking at the atomic number of an element.
  6. place in an electron cloud where an electron is most likely to be found - rings. Remember, 2-8-18-32.
  7. number of protons in the nucleus of an atom. This is the same number as the number of electrons
  8. elements that make up Group 17 in the periodic table
  9. the way a material reflects light.
Down
  1. particle that has no charge - located in the nucleus of an atom. You can figure out the number of neutrons by SUBTRACTING the atomic Mass minus the atomic number.
  2. able to be hammered into different shapes
  3. particle that has a positive charge - located in the nucleus of an atom. You can figure out the number of protons by looking at the atomic number of an element.
  4. total mass of the protons and neutrons in an atom
  5. center, or core, of an atom (where the protons and neutrons are located)
  6. substance that CANNOT be chemically broken down into simpler substances

15 Clues: able to be drawn into thin wires • the way a material reflects light. • able to be hammered into different shapes • total mass of the protons and neutrons in an atom • elements that make up Group 17 in the periodic table • smallest part of an element that can be identified as that element • substance that CANNOT be chemically broken down into simpler substances • ...

Basic Chemistry 2023-09-05

Basic Chemistry crossword puzzle
Across
  1. remove hydrogen ions (H+) or release hydroxide ions
  2. Can damage life in Earth’s ecosystem
  3. Increasing blood pH to 7.8
  4. (-HCO3) in blood buffers pH to 7.4
  5. nitrogen oxide pollutants mix and react with water, oxygen, and other chemicals to form more acid rain.
Down
  1. normally 7.4
  2. Reducing blood pH to 7.0
  3. the concentration of carbon dioxide (CO2) in the atmosphere has increased due to human actions.
  4. pure water and tears
  5. solutes in water that resist change in pH
  6. Sulfur dioxide pollutants mix and react with water, oxygen, and other chemicals to form more acid rain.
  7. dissociate in water and release hydrogen ions
  8. Each unit change in pH represents a change
  9. Indicates acidity and alkalinity of a solution
  10. if blood is too ... equation shifts to left

15 Clues: normally 7.4 • pure water and tears • Reducing blood pH to 7.0 • Increasing blood pH to 7.8 • (-HCO3) in blood buffers pH to 7.4 • Can damage life in Earth’s ecosystem • solutes in water that resist change in pH • Each unit change in pH represents a change • if blood is too ... equation shifts to left • dissociate in water and release hydrogen ions • ...

Chemistry Revision 2023-10-13

Chemistry Revision crossword puzzle
Across
  1. Solid to Gas
  2. Liquid to Solid
  3. Sodium Chloride
  4. Particles in fluids move randomly
  5. Gas to Liquid
  6. decreasing the concentration of a solute in a solution
  7. It is a graph that uses the measurement /100g water
  8. When the particles are touching but not as close as a solid
Down
  1. When particles are far apart
  2. The only way that they move is by vibrating
  3. A substance with a solute and solvent mixed together
  4. Solid to Liquid
  5. Liquid to Gas
  6. A substance mixed in a solvent
  7. The movement of particles from a high concentration to a low concentration

15 Clues: Solid to Gas • Liquid to Gas • Gas to Liquid • Solid to Liquid • Liquid to Solid • Sodium Chloride • When particles are far apart • A substance mixed in a solvent • Particles in fluids move randomly • The only way that they move is by vibrating • It is a graph that uses the measurement /100g water • A substance with a solute and solvent mixed together • ...

Ch1 Chemistry 2024-01-26

Ch1 Chemistry crossword puzzle
Across
  1. matter that has definite & uniform composition
  2. data involving no number, only senses
  3. set of controlled observations that test a hypothesis
  4. visual, verbal, or math related explanation of data
  5. systemic approach to solving a problem
  6. relationship in nature supported by experiments
Down
  1. judgement based on information obtained
  2. data involving measurements & numbers
  3. measure of matter & gravity's effect on an object
  4. research done to solve a problem
  5. knowledge gained for the sake of knowing it
  6. testable statement or prediction, educated guess
  7. possible explanation, based on observations over time
  8. study of matter and its changes
  9. measurement of the amount of matter in something

15 Clues: study of matter and its changes • research done to solve a problem • data involving measurements & numbers • data involving no number, only senses • systemic approach to solving a problem • judgement based on information obtained • knowledge gained for the sake of knowing it • matter that has definite & uniform composition • relationship in nature supported by experiments • ...

Chemistry Vocab 2024-01-11

Chemistry Vocab crossword puzzle
Across
  1. outer electrons
  2. a bond between two nonmetals
  3. the number in front of the formula
  4. the columns on the periodic table
  5. the number of protons in an element
  6. formed when two or more atoms of an element join together
Down
  1. the number after a symbol; the number of atoms of each element
  2. the total number of protons and electrons in an element
  3. a subatomic particle with a neutral charge
  4. a subatomic particle with a negative charge
  5. a subatomic particle with a positive charge
  6. type of molecule where atoms of two or more elements combine (ex:C02)
  7. an abbreviation of the element name
  8. a bond between a metal and nonmetal
  9. the rows on the periodic table

15 Clues: outer electrons • a bond between two nonmetals • the rows on the periodic table • the columns on the periodic table • the number in front of the formula • an abbreviation of the element name • a bond between a metal and nonmetal • the number of protons in an element • a subatomic particle with a neutral charge • a subatomic particle with a negative charge • ...

Chemistry 101 2025-01-29

Chemistry 101 crossword puzzle
Across
  1. A combination of two or more pure substances where both substances keep their own identity
  2. Two Atoms that are joined together. All compounds are ________
  3. Atoms are defined by there ______________
  4. Substances that are made of only one single type of atom or only one type of molecule
  5. A particle inside a nucleus of an Atom
  6. A reversesible change
  7. Particles outside the nucleus of an Atom
  8. A substance that is made entirely from one single type of Atom
Down
  1. A substance formed when 2 or more chemical elements are chemically bonded together
  2. Anything that takes up space
  3. Atom structure that is irregular and lacks repeating pattern
  4. THe smallest unit of matter that makes up all physical things
  5. A structure of molecules - ions - or atoms that are held together in a specific ordered arrangement
  6. A particle inside the nucleus of an Atom
  7. An irreversible change

15 Clues: A reversesible change • An irreversible change • Anything that takes up space • A particle inside a nucleus of an Atom • A particle inside the nucleus of an Atom • Particles outside the nucleus of an Atom • Atoms are defined by there ______________ • Atom structure that is irregular and lacks repeating pattern • ...

Chemistry Crossword 2025-10-16

Chemistry Crossword crossword puzzle
Across
  1. electrons will occupy separate orbitals within a subshell with parallel spins before they begin to pair up
  2. Smaller levels
  3. Orbits something
  4. The circumfence of an atom
  5. certain pairs of physical properties, like a particle's position and momentum, cannot be known with arbitrary precision at the same time
  6. Not a metal but not a nonmetal
  7. The circumfrence of an ion
  8. the repulsion of inner-shell electrons from outer-shell electrons
  9. Where electrons lie in an atom
Down
  1. a simplified model of a molecule that shows the bonding between atoms
  2. the electrons in an atom's outermost shell
  3. Not a metal
  4. Shiny and conducts metal
  5. fundamental chemical principle stating that the chemical properties of elements are periodic functions of their atomic numbers
  6. very small

15 Clues: very small • Not a metal • Smaller levels • Orbits something • Shiny and conducts metal • The circumfence of an atom • The circumfrence of an ion • Not a metal but not a nonmetal • Where electrons lie in an atom • the electrons in an atom's outermost shell • the repulsion of inner-shell electrons from outer-shell electrons • ...

Chemistry Crossword 2024-05-08

Chemistry Crossword crossword puzzle
Across
  1. cohesive bonds near the surface, which in turn makes it stronger
  2. groups of atoms
  3. substances with OH- ions
  4. changes to a substance that change the chemical aspect of it
  5. used for testing the concentraion of a substance
  6. changes to a substance that change the phsyical aspect of it
  7. the mixture of a solute and a solvent
  8. the scale that marks the concentration of ions in a substance
Down
  1. building blocks of the universe
  2. adding an acid to a base to turn it into a neutral substance
  3. substance that does the dissolving
  4. substance that dissolves
  5. substances with H+ ions
  6. substances with no ions
  7. the bonds of molecules that hold a substance together

15 Clues: groups of atoms • substances with H+ ions • substances with no ions • substances with OH- ions • substance that dissolves • building blocks of the universe • substance that does the dissolving • the mixture of a solute and a solvent • used for testing the concentraion of a substance • the bonds of molecules that hold a substance together • ...

Chemistry Vocab 2024-05-08

Chemistry Vocab crossword puzzle
Across
  1. The bonds between substances
  2. measures what the liquid is on the pH scale
  3. The study of matter
  4. feels slippery, tastes bitter, has OH-ions
  5. corrosive to metal, tastes sour, has H+ions
  6. Mixing H+ions and OH-ions, to get water
  7. A bunch of atoms together
  8. The chart of all elements
  9. The chemical aspect of a substance changed
Down
  1. how potent a acid or base is
  2. The physical aspect of a substance changed
  3. a process which scientists conduct experiments
  4. A substance that dissolves water
  5. The result of water dissolving solvents
  6. measures if liquid is acid,base,or neutral

15 Clues: The study of matter • A bunch of atoms together • The chart of all elements • how potent a acid or base is • The bonds between substances • A substance that dissolves water • The result of water dissolving solvents • Mixing H+ions and OH-ions, to get water • The physical aspect of a substance changed • feels slippery, tastes bitter, has OH-ions • ...

chemistry crossword 2025-01-12

chemistry crossword crossword puzzle
Across
  1. depends on the amount of matter in the sample
  2. Low Kinetic Energy
  3. Very low Kinetic Energy
  4. Very high Kinetic Energy
  5. depends on the type of matter, not the amount present
  6. the energy possessed by an object due to its position, composition or condition
  7. process that releases energy into the surroundings
  8. the study of the composition, structure, and properties of matter and the changes it undergoes.
Down
  1. a property that can be observed and measured without changing the material’s composition.
  2. a process that absorbs energy from the surroundings
  3. energy of motion
  4. a measure of the amount of space that is occupied
  5. High Kinetic Energy
  6. Matter is anything with mass that occupies space.
  7. the capacity to do work or transfer heat.

15 Clues: energy of motion • Low Kinetic Energy • High Kinetic Energy • Very low Kinetic Energy • Very high Kinetic Energy • the capacity to do work or transfer heat. • depends on the amount of matter in the sample • a measure of the amount of space that is occupied • Matter is anything with mass that occupies space. • process that releases energy into the surroundings • ...

Chemistry Revision 2025-03-21

Chemistry Revision crossword puzzle
Across
  1. ice solid carbon dioxide
  2. make many bubbles, producing a continuous sound
  3. take in a gas or liquid
  4. the smallest piece of an element that can still be recognised as that element
  5. the substance that dissolves in a solvent
  6. a substance that acts as a source of hydrogen ions in solution
  7. unreactive
  8. the change of state directly from a gas to a solid
Down
  1. movement of particle from area of high concentration to area of low concentration
  2. a substance that neutralises acids by combining with the hydrogen ions in them
  3. containing water
  4. a mass of solid without a particular shape
  5. move from one place to another
  6. a positive ion, formed by atoms losing electrons
  7. the liquid that a solute dissolves in

15 Clues: unreactive • containing water • take in a gas or liquid • ice solid carbon dioxide • move from one place to another • the liquid that a solute dissolves in • the substance that dissolves in a solvent • a mass of solid without a particular shape • make many bubbles, producing a continuous sound • a positive ion, formed by atoms losing electrons • ...

Nuclear Chemistry 2025-05-05

Nuclear Chemistry crossword puzzle
Across
  1. Radioactive element used in nuclear power
  2. Subatomic particles in the nucleus, with a positive charge.
  3. Time it takes for half of a radioactive substance to decay
  4. Subatomic particles with a negative charge.
  5. Subatomic particles in the nucleus, with no charge
  6. Atoms of the same element with different neutron numbers.
Down
  1. Having the property of emitting radiation
  2. Splitting of an atomic nucleus into smaller parts
  3. A sequence of reactions where the product of one reaction causes the next
  4. Radioactive element used in nuclear weapons
  5. Fundamental particle of matter
  6. Combining of atomic nuclei.
  7. The process where an unstable atomic nucleus loses energy
  8. Process where atoms interact and change
  9. Capacity to do work.

15 Clues: Capacity to do work. • Combining of atomic nuclei. • Fundamental particle of matter • Process where atoms interact and change • Having the property of emitting radiation • Radioactive element used in nuclear power • Radioactive element used in nuclear weapons • Subatomic particles with a negative charge. • Splitting of an atomic nucleus into smaller parts • ...

CHEMISTRY CROSSWORD 2024-08-24

CHEMISTRY CROSSWORD crossword puzzle
Across
  1. The number of protons and neutrons in the nucleus of an atom
  2. Short form of an Element
  3. The number of protons in the nucleus of an atom
  4. The smallest particle of an element
  5. The outermost shell of an atom
  6. Solid State formed from the gaseous state on cooling
Down
  1. The new substances formed as a result of a chemical reaction
  2. The term used for a particular kind of matter
  3. The positively charged ions
  4. Combining capacity of an elemeny
  5. Anything which occupies space and has mass
  6. The substances which take part in a chemical reaction
  7. The negatively charged ions
  8. The gaseous form of a solid
  9. A pure substance which cannot be broken into two or more substances by any known physical and chemical mean

15 Clues: Short form of an Element • The positively charged ions • The negatively charged ions • The gaseous form of a solid • The outermost shell of an atom • Combining capacity of an elemeny • The smallest particle of an element • Anything which occupies space and has mass • The term used for a particular kind of matter • The number of protons in the nucleus of an atom • ...

CHEMISTRY CROSSWORD 2024-08-24

CHEMISTRY CROSSWORD crossword puzzle
Across
  1. The smallest particle of an element
  2. The negatively charged ions
  3. The new substances formed as a result of a chemical reaction
  4. Short form of an Element
  5. Anything which occupies space and has mass
  6. The gaseous form of a solid
  7. The outermost shell of an atom
  8. The number of protons in the nucleus of an atom
Down
  1. The term used for a particular kind of matter
  2. Combining capacity of an elemeny
  3. The positively charged ions
  4. The number of protons and neutrons in the nucleus of an atom
  5. A pure substance which cannot be broken into two or more substances by any known physical and chemical mean
  6. The substances which take part in a chemical reaction
  7. Solid State formed from the gaseous state on cooling

15 Clues: Short form of an Element • The negatively charged ions • The positively charged ions • The gaseous form of a solid • The outermost shell of an atom • Combining capacity of an elemeny • The smallest particle of an element • Anything which occupies space and has mass • The term used for a particular kind of matter • The number of protons in the nucleus of an atom • ...

Organic Chemistry 2026-05-15

Organic Chemistry crossword puzzle
Across
  1. hydrocarbon with only single bonds
  2. has at least one hydroxyl bound to a saturated carbon
  3. organic compound containing a functional group with the stricture R−CH=O
  4. same molecular formula, different molecules
  5. another name for a saturated hydrocarbon
  6. hydrocarbon that has one or more double or triple bond
  7. colorless, flammable, sweet smelling liquid
Down
  1. derived from an acid; where the hydrogen of at least one hydroxyl is replaced by an organyl group
  2. hydrogen and carbon
  3. molecule that is the basis of organic chemistry
  4. has at least one triple bond
  5. compound containing a carbon-nitrogen bond
  6. more bonds between carbons means _______ reactivity
  7. has at least one double bond
  8. a single oxygen bonded to two separate carbons in organyl groups

15 Clues: hydrogen and carbon • has at least one triple bond • has at least one double bond • hydrocarbon with only single bonds • another name for a saturated hydrocarbon • compound containing a carbon-nitrogen bond • same molecular formula, different molecules • colorless, flammable, sweet smelling liquid • molecule that is the basis of organic chemistry • ...

Organic Chemistry 2026-05-17

Organic Chemistry crossword puzzle
Across
  1. Burning in oxygen
  2. Burning with enough oxygen
  3. Saturated hydrocarbon with single bonds only
  4. Mixture of hydrocarbons
  5. Containing at least one carbon-carbon double bond
  6. Group of hydrocarbons with similar boiling points
  7. Compound containing hydrogen and carbon only
  8. Family of compounds with similar properties
  9. Containing only single carbon-carbon bonds
  10. Separation of liquids by boiling point
Down
  1. Burning with limited oxygen
  2. Process of joining monomers together.
  3. Small molecule that joins to form a polymer
  4. Formation of polymers from alkenes
  5. Unsaturated hydrocarbon containing a double bond

15 Clues: Burning in oxygen • Mixture of hydrocarbons • Burning with enough oxygen • Burning with limited oxygen • Formation of polymers from alkenes • Process of joining monomers together. • Separation of liquids by boiling point • Containing only single carbon-carbon bonds • Small molecule that joins to form a polymer • Family of compounds with similar properties • ...

Chemistry Crossword 2026-06-22

Chemistry Crossword crossword puzzle
Across
  1. This is released in combustion alongside carbon dioxide (5)
  2. A resource that is being used up more quickly than it is made - it will run out (6)
  3. A saturated hydrocarbon, forms only single bonds (6)
  4. The positive particle found in the nucleus(6)
  5. A reaction where fuel burns in oxygen (10)
  6. The bigger number next to an element that is the same as the number of protons plus the number of neutrons (4, 6)
  7. An unsaturated hydrocarbon, contains at least one carbon-carbon double bond (6)
  8. Released by cows (7)
  9. A mixture formed over millions of years from dead organisms e.g. plankton (5,3)
Down
  1. The greenhouse gas which is released by car engines (6,7)
  2. The smaller number next to an element that is the same as the number of protons (6, 6)
  3. The process used to separate out the liquids in crude oil (10,12)
  4. The negative particle, found in shells around (8) the nucleus
  5. A resources that can be replenished as it is used up (9)
  6. The neutral particle found in the nucleus (7)

15 Clues: Released by cows (7) • A reaction where fuel burns in oxygen (10) • The positive particle found in the nucleus(6) • The neutral particle found in the nucleus (7) • A saturated hydrocarbon, forms only single bonds (6) • A resources that can be replenished as it is used up (9) • The greenhouse gas which is released by car engines (6,7) • ...

Chemistry Booster 2026-06-11

Chemistry Booster crossword puzzle
Across
  1. Used to test for Alkanes, will go colourless if Alkenes are present
  2. ______ wave radiation is emitted by the Earth and trapped by our atmosphere, leading to the greenhouse effect
  3. Alkane with 5 carbons
  4. Alkane with 6 carbons
  5. Roughly 80% of the Earth's atmosphere is made of this gas
  6. A type of hydrocarbon with the formula CnH2n+2
  7. A type of hydrocarbon with a double bond between the carbons
Down
  1. Roughly 20% of the Earth's atmosphere, used in respiration!
  2. ______ wave radiation can pass through out atmosphere, coming from the Sun
  3. Alkane with 1 carbon
  4. Alkane with 2 carbons
  5. Alkane with 3 carbons
  6. Alkane with 4 carbons
  7. One of the products of complete combustion, a gas
  8. A product of incomplete combustion, poisonous gas

15 Clues: Alkane with 1 carbon • Alkane with 2 carbons • Alkane with 3 carbons • Alkane with 4 carbons • Alkane with 5 carbons • Alkane with 6 carbons • A type of hydrocarbon with the formula CnH2n+2 • One of the products of complete combustion, a gas • A product of incomplete combustion, poisonous gas • Roughly 80% of the Earth's atmosphere is made of this gas • ...

Classroom Chemistry 2016-11-24

Classroom Chemistry crossword puzzle
Across
  1. Has a unfixed shape and volume
  2. Separates a soluble solid from a liquid
  3. Used to separate an insoluble solid from a liquid
  4. The amount of space an object takes up
  5. Involves heating, followed by cooling to leave a pure substance behind in crystal form
  6. Has a fixed mass and volume
  7. Sugar is an example in Kool Aid
  8. This action is what allows water to move when filter paper is dipped in water
  9. Takes the shape of its container
Down
  1. A type of mixture where you can see the individual parts
  2. The substance that dissolves the solute
  3. A type of mixture where you cannot see the individual parts
  4. Used to separate two different dyes based on their solubility levels
  5. Makes up everything all around us
  6. When a substance is able to dissolve into another type of substance

15 Clues: Has a fixed mass and volume • Has a unfixed shape and volume • Sugar is an example in Kool Aid • Takes the shape of its container • Makes up everything all around us • The amount of space an object takes up • The substance that dissolves the solute • Separates a soluble solid from a liquid • Used to separate an insoluble solid from a liquid • ...

chemistry Isabel 2016-12-14

chemistry Isabel crossword puzzle
Across
  1. bond the complete transfer of valence electron(s) between atoms.
  2. relating to, measuring, or measured by the quality of something rather than its quantity.
  3. a substance made by mixing other substances together.
  4. a part or aspect of something abstract, especially one that is essential or characteristic.
  5. a thing that is composed of two or more separate elements; a mixture.
  6. the basic unit of a chemical element
  7. mass the mass of an atom of a chemical element expressed in atomic mass units
  8. a particular kind of matter with uniform properties.
  9. physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
Down
  1. A group of atoms bonded together,representing the smallest fundamental unit of a chemical compound that can take any part in a chemical reaction
  2. rule chemical rule of thumb that reflects observation that atoms of main-group elements tend to combine in such a way that each atom has eight electrons in its valence shel
  3. of or denoting a process involving substances in different phases (solid, liquid, or gaseous).
  4. unit chemistry is the empirical formula of any ionic or convalescent network solid compound used as an independent entity for stoichiometric calculations.
  5. is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole or multipole moment.
  6. A subatomic particle of about the same mass as a proton but without an electric charge

15 Clues: the basic unit of a chemical element • a particular kind of matter with uniform properties. • a substance made by mixing other substances together. • bond the complete transfer of valence electron(s) between atoms. • a thing that is composed of two or more separate elements; a mixture. • ...

Organic Chemistry 2017-02-16

Organic Chemistry crossword puzzle
Across
  1. คุณสมบัติที่ทำให้ไม่ละลายในน้ำ
  2. ปฏิกิริยาการแทนที่
  3. หมู่ฟังก์ชั่นที่มีสูตร-CHO
  4. สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน
  5. แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว
  6. เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว
Down
  1. สารประกอบไฮโดรคาร์บอนที่มีอะตอมคาร์บอนเรียงกันเป็นวงแหวนเบนซีน
  2. ปฏิกิริยาการเติม
  3. ตัวทำละลายอินทรีย์ที่เกิดจากอะตอมคาร์บอนหนึ่งตัวเกิดพันธะกับคลอรีนสี่ตัว
  4. ไอโซเมอร์ที่มีการจัดกลุ่มอะตอมหรือที่ว่างในโมเลกุลต่างกัน
  5. อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3
  6. สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่
  7. ชื่อของสารประกอบอินทรีย์ที่ประกอบขึ้นจากไฮโดรเจนและคาร์บอนทั้งหมด
  8. ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์
  9. แอลกอฮอลล์ที่มีสูตรC2H6O

15 Clues: ปฏิกิริยาการเติม • ปฏิกิริยาการแทนที่ • แอลกอฮอลล์ที่มีสูตรC2H6O • หมู่ฟังก์ชั่นที่มีสูตร-CHO • แอลดีไฮด์ที่มีคาร์บอนหนึ่งตัว • คุณสมบัติที่ทำให้ไม่ละลายในน้ำ • สารประกอบไฮโดรคาร์บอนที่มีพันธะคู่ • เบนซีนสองวงเชื่อมกันด้วยพันธะเดี่ยว • อีเทอร์ที่ใช้เป็นยาสลบ สูตรคือCH3CH2OCH2CH3 • สูตรโมเลกุลเหมือนกันแต่สูตรโครงสร้างต่างกัน • ชื่อของโลหะที่เป็นส่วนประกอบของกรินยาร์ดรีเอเจนต์ • ...

Chemistry Terms 2018-02-05

Chemistry Terms crossword puzzle
Across
  1. / Smallest particle of matter that still has its characteristics
  2. / Two or more substances that are physically combined
  3. / Visibly different substances throughout
  4. / Two or more atoms chemically combined
  5. / Charge-less particle in the nucleus of a atom
  6. Change / When the chemical properties stay the same and is the same substance, but its size and shape change
  7. / Anything that has mass and volume
  8. / Made up of more than one type of atom
Down
  1. / Amount of space something occupies
  2. / All the substances are the same throughout
  3. Change / When something transforms into a new substance
  4. / Made up of one type of atom
  5. / Negatively charged particles that move around the atom
  6. / Positively charged particles in the nucleus of a atom
  7. / Amount of matter in a object

15 Clues: / Made up of one type of atom • / Amount of matter in a object • / Anything that has mass and volume • / Amount of space something occupies • / Two or more atoms chemically combined • / Made up of more than one type of atom • / Visibly different substances throughout • / All the substances are the same throughout • / Charge-less particle in the nucleus of a atom • ...

Chemistry Crossword 2018-01-23

Chemistry Crossword crossword puzzle
Across
  1. Material.
  2. very compact.
  3. A substance that is not combined chemically.
  4. what amount of space this takes up.
  5. a well mixed substance.
  6. how close you can get your answers to line up.
  7. A chemically combined substance.
  8. how close you can get to the correct number.
Down
  1. the size of something.
  2. chemicals that cannot be broken down any further.
  3. to trap heat.
  4. Unit The SI unit for the seven base units.
  5. These guys make up everything.
  6. to give off heat.
  7. not mixed well.

15 Clues: Material. • to trap heat. • very compact. • not mixed well. • to give off heat. • the size of something. • a well mixed substance. • These guys make up everything. • A chemically combined substance. • what amount of space this takes up. • Unit The SI unit for the seven base units. • A substance that is not combined chemically. • how close you can get to the correct number. • ...

Water Chemistry 2013-01-14

Water Chemistry crossword puzzle
Across
  1. a liquid, matter that flows
  2. fresh water mixed with salt
  3. taking care of something
  4. chemistry of earths crust
  5. caused by humans
  6. elements mixed in the same phase
  7. force of an object
  8. atoms chemically combined
  9. amount packed in
Down
  1. all water in the world
  2. increase overtime of population
  3. amount of salt
  4. toxins in air
  5. total mass of living materials in one specific area
  6. waste or water that flows everywhere

15 Clues: toxins in air • amount of salt • caused by humans • amount packed in • force of an object • all water in the world • taking care of something • chemistry of earths crust • atoms chemically combined • a liquid, matter that flows • fresh water mixed with salt • increase overtime of population • elements mixed in the same phase • waste or water that flows everywhere • ...

Chemistry Words 2013-08-25

Chemistry Words crossword puzzle
Across
  1. when salt goes into water it _______
  2. when you clean out a liquid like water
  3. only one type of thing
  4. the separation of a mixture
  5. made up of one type of atom
  6. vanish, to pass out of sight
Down
  1. able to be drawn out into a thin wire
  2. when a solid liquid or gas changes from one state to another
  3. going from a liquid to a gas
  4. a small component in a solvent
  5. a liquid a solute is dissolved in
  6. a small amount of something left after the main part has gone
  7. easy to move or bend
  8. two or more separate elements
  9. a substance that is made by mixing two different substances

15 Clues: easy to move or bend • only one type of thing • the separation of a mixture • made up of one type of atom • going from a liquid to a gas • vanish, to pass out of sight • two or more separate elements • a small component in a solvent • a liquid a solute is dissolved in • when salt goes into water it _______ • able to be drawn out into a thin wire • ...

Chemistry Crossword 2013-11-12

Chemistry Crossword crossword puzzle
Across
  1. Said all atoms are like balls
  2. Idea of orbitals
  3. Negative pieces of an atom
  4. Elements with 8 electrons
  5. These go left and right
  6. First person to think of atoms
  7. No charge
Down
  1. Electron on outermost shell
  2. These go up and down
  3. Positive pieces of an atom
  4. Chart with all the elements
  5. Came up with the idea of electrons
  6. Smallest unit of all matter
  7. More than one atom together
  8. A charged particle

15 Clues: No charge • Idea of orbitals • A charged particle • These go up and down • These go left and right • Elements with 8 electrons • Positive pieces of an atom • Negative pieces of an atom • Electron on outermost shell • Chart with all the elements • Smallest unit of all matter • More than one atom together • Said all atoms are like balls • First person to think of atoms • ...

Chemistry Rocks 2014-08-28

Chemistry Rocks crossword puzzle
Across
  1. basic unit of mass
  2. difference between the accepted and experimental values
  3. zero/zero point on a Kelvin scale
  4. measurement of how close to actual value
  5. measure of how close a measurement is to another
  6. quantity of heat
  7. basic unit of length
Down
  1. capacity to do work or produce heat
  2. volume of liquids
  3. force that measures the pull
  4. measure of how hot or cold
  5. scale/ freezing point of water is zero degrees
  6. value/correct value based on reliable references
  7. depends only on the composition
  8. unit of energy

15 Clues: unit of energy • quantity of heat • volume of liquids • basic unit of mass • basic unit of length • measure of how hot or cold • force that measures the pull • depends only on the composition • zero/zero point on a Kelvin scale • capacity to do work or produce heat • measurement of how close to actual value • scale/ freezing point of water is zero degrees • ...

Chemistry equipment 2015-08-19

Chemistry equipment crossword puzzle
Across
  1. used to dispense solids
  2. measures out specific volumes of liquids
  3. holds liquids
  4. used to pick up hot beakers
  5. used for making solutions of a specific volume
  6. used to weigh solids on the balance
Down
  1. used to hold test tubes during an experiment
  2. used to stir mixtures
  3. used to carry out experiments
  4. used to measure the mass of objects
  5. cleaning and adding water to experiment
  6. used to dispense small amounts of chemicals
  7. used to measure small amounts of chemicals
  8. used to help pour liquids into a narrow side
  9. used to cover the top of a beaker to avoid splashing

15 Clues: holds liquids • used to stir mixtures • used to dispense solids • used to pick up hot beakers • used to carry out experiments • used to measure the mass of objects • used to weigh solids on the balance • cleaning and adding water to experiment • measures out specific volumes of liquids • used to measure small amounts of chemicals • used to dispense small amounts of chemicals • ...

Chemistry 9 2021-09-16

Chemistry 9 crossword puzzle
Across
  1. when paper is shredded it goes through a ________ change
  2. A smoothie is a _______ of foods
  3. Hydrogen is the first _______ on the periodic table
  4. When olive oil starts bubbling and spitting it has hit its _______ point
  5. A well-blended, seedless smoothie is a ___________ mixture
  6. The melting point is when aluminum changes from _____ to liquid
Down
  1. Most jewelry is made of silver due to its ____________
  2. when steel meets an acidic substance and rusts it’s called corrosion
  3. The amount of milk in a cup is called the _______
  4. Magnesium and Ammonia are both considered a ____ Substance
  5. When liquid water turns into ice, it's called a change of _____
  6. when a banana ripens it goes through a ________
  7. propane gas is used in barbecues because of its flammability
  8. A fruit salad is a _____________ mixture
  9. the ability of copper to _______ electricity

15 Clues: A smoothie is a _______ of foods • A fruit salad is a _____________ mixture • the ability of copper to _______ electricity • when a banana ripens it goes through a ________ • The amount of milk in a cup is called the _______ • Hydrogen is the first _______ on the periodic table • Most jewelry is made of silver due to its ____________ • ...

Practical Chemistry 2021-09-21

Practical Chemistry crossword puzzle
Across
  1. the colour of the residue on heating lead nitrate
  2. gas that turns moist lead acetate paper silvery black
  3. gas that changes anhydrous copper sulphate from white to blue
  4. gas that turns lime water milky
  5. a sublimable compound
  6. gas that gives curdy white ppt with silver nitrate
  7. gas that rekindles a glowing splinter
Down
  1. Suffocating gas that turns potassium dichromate orange to clear green
  2. gas that changes moist starch iodide paper to blue black
  3. colour of the flame imparted when calcium is present as the metallic ion
  4. basic gas that gives dense white fumes with hydrogen chloride
  5. copper carbonate changes to _______ colour on heating
  6. gas that extinguishes a burning splinter with pop sound
  7. the cation present when you see lilac color for the flame test
  8. reddish brown acidic gas

15 Clues: a sublimable compound • reddish brown acidic gas • gas that turns lime water milky • gas that rekindles a glowing splinter • the colour of the residue on heating lead nitrate • gas that gives curdy white ppt with silver nitrate • gas that turns moist lead acetate paper silvery black • copper carbonate changes to _______ colour on heating • ...

Chemistry Crossword 2021-01-13

Chemistry Crossword crossword puzzle
Across
  1. row on periodic table
  2. Vertical column on Periodic table
  3. in all atoms has - charge
  4. gases conduct electricity low boiling point
  5. same number of protons but different neutrons
  6. mixture of metals and non metal like tin
  7. total mass of atom
  8. particle with no electric charge
Down
  1. table chemical elements chart
  2. subatomic particle with a + charge
  3. readily forms positive ions
  4. time of half reduction from value
  5. center core of atom largest mass
  6. number of protons in the nucleus of atom
  7. net electric charge due to loss or gain of electrons

15 Clues: total mass of atom • row on periodic table • in all atoms has - charge • readily forms positive ions • table chemical elements chart • center core of atom largest mass • particle with no electric charge • Vertical column on Periodic table • time of half reduction from value • subatomic particle with a + charge • mixture of metals and non metal like tin • ...

Chemistry Crossword 2021-01-05

Chemistry Crossword crossword puzzle
Across
  1. A vertical column in the periodic table of the elements. Elements in a group have similar properties.
  2. An atom or group of atoms that has a positive or negative electric charge.
  3. An element that tends to be shiny, easily shaped, and a good conductor of electricity and heat
  4. number The total number of protons in an atom’s nucleus.
  5. A negatively charged particle outside an atom's nucleus
  6. An atom of one element that has a different number of neutrons than another atom of the same element.
  7. The central region of an atom where most of the atom's mass is found in protons and neutrons
  8. An element that has both properties of both metals and nonmetals.
Down
  1. A table of the elements, arranged by an atomic number that shows the patterns in their properties.
  2. A horizontal row in the periodic table of elements. Elements in a period have varying properties.
  3. The number of protons found in the nucleus of an atom.
  4. The length of time it takes for half of the atoms in a sample of a radioactive element to decay into atoms of another element.
  5. A positively charged particle located in an atom's nucleus
  6. An element that is not a metal and has properties generally opposite to those of a metal.
  7. A particle that has no electric charge

15 Clues: A particle that has no electric charge • The number of protons found in the nucleus of an atom. • A negatively charged particle outside an atom's nucleus • number The total number of protons in an atom’s nucleus. • A positively charged particle located in an atom's nucleus • An element that has both properties of both metals and nonmetals. • ...

Chemistry crossword 2020-12-18

Chemistry crossword crossword puzzle
Across
  1. strong alkalis that have OH symbol at last
  2. the element that have symbol K
  3. most nonreactive and lightest element
  4. shorthand way of referring to elements
  5. columns of periodic table
  6. solutions are ...
  7. the substance that is dissolves into
  8. ... of mass
Down
  1. every compound has...
  2. rows of periodic table
  3. variable that you change
  4. axis that you plot independent variable
  5. the substance that dissolves
  6. variable that you measure as the result
  7. variable that you keep the same

15 Clues: ... of mass • solutions are ... • every compound has... • rows of periodic table • variable that you change • columns of periodic table • the substance that dissolves • the element that have symbol K • variable that you keep the same • the substance that is dissolves into • most nonreactive and lightest element • shorthand way of referring to elements • ...

Chemistry Terms 2021-09-09

Chemistry Terms crossword puzzle
Across
  1. / The amount of matter in an object
  2. / The amount of space something occupies
  3. / State of matter that flows, takes shape of its container, and it has no defined shape
  4. / Anything that has mass and volume
  5. / Two or more atoms chemically combined
  6. / A branch of science that studies the properties of matter and how matter interacts with energy
  7. / Two or more substances physically combined
  8. / A molecule with two or more different types of atoms chemically combined
Down
  1. / State of matter with no shape, and it fills its container
  2. / State of matter that keeps its shape
  3. / A molecule with two or more of he same atoms chemically combined
  4. / The smallest part of matter
  5. / Part of an atom that is negatively charged and is located around the nucleus on orbits
  6. / Part of an atom that is charge-less and is located in the nucleus
  7. / Part of an atom that is positively charged and is located in the nucleus

15 Clues: / The smallest part of matter • / The amount of matter in an object • / Anything that has mass and volume • / State of matter that keeps its shape • / Two or more atoms chemically combined • / The amount of space something occupies • / Two or more substances physically combined • / State of matter with no shape, and it fills its container • ...

chemistry crossword 2021-09-05

chemistry crossword crossword puzzle
Across
  1. What separates metals and non-metals
  2. The elements with atomic numbers 35,53 and 85 are all
  3. Which element had the most highest electronegative value in pauling scale
  4. Which block consists of metalloids?
  5. The group which consists of oxygen is called
  6. the element with most negative electron gain enthalpy
  7. s-block elements are all
  8. Which element had the most lowest electronegative value in pauling scale
Down
  1. What is the term used for atoms or ions with same number of electrons ?
  2. Gain Enthalpy Becomes less negative down or above the group?
  3. Which group has the highest electron gain enthalpy
  4. What is element with least atomic radius ?
  5. lanthanoids and actinoids together make
  6. mendeleev's periodic table was modified to
  7. the most inert element is

15 Clues: s-block elements are all • the most inert element is • Which block consists of metalloids? • What separates metals and non-metals • lanthanoids and actinoids together make • What is element with least atomic radius ? • mendeleev's periodic table was modified to • The group which consists of oxygen is called • Which group has the highest electron gain enthalpy • ...

Redox Chemistry 2021-08-26

Redox Chemistry crossword puzzle
Across
  1. another name for burning
  2. gain of valency electrons
  3. when a reaction releases heat
  4. loss of valency electrons
  5. oxidation and reduction
  6. a substance that has the ability to oxidise other substances
  7. when a reaction absorbs heat
Down
  1. show how a reaction gains or loses electrons
  2. what is H2SO4
  3. oxidation and reduction, always take place in a ...
  4. is combustion a redox reaction true of false
  5. reaction between iron(iii)oxide and aluminium
  6. bromine being displayed by chlorine, from a clouorless solution of potassium bromide. What colour is the solution
  7. Memory technique to remember the difference between oxidation and reduction
  8. a sub-atomic particle with a negative charge

15 Clues: what is H2SO4 • oxidation and reduction • another name for burning • gain of valency electrons • loss of valency electrons • when a reaction absorbs heat • when a reaction releases heat • show how a reaction gains or loses electrons • is combustion a redox reaction true of false • a sub-atomic particle with a negative charge • reaction between iron(iii)oxide and aluminium • ...

chemistry review 2022-03-21

chemistry review crossword puzzle
Across
  1. not the same throughout
  2. make (a liquid) thinner or weaker by adding water or another solvent to it.
  3. the ability to be dissolved, especially in water.
  4. mix (metals) to make an alloy.
  5. the smallest of a substance
  6. the main component
  7. when two substances combine but keep there own properties.
Down
  1. present in a high proportion relative to other substances; having had water or other diluting agent removed or reduced.
  2. number below the element symbol
  3. a substance that takes part in and undergoes change during a reaction.
  4. the minor component in a solution, dissolved in the solvent.
  5. the result
  6. able to dissolve other substances.
  7. the same throughout
  8. sour and bitter

15 Clues: the result • sour and bitter • the main component • the same throughout • not the same throughout • the smallest of a substance • mix (metals) to make an alloy. • number below the element symbol • able to dissolve other substances. • the ability to be dissolved, especially in water. • when two substances combine but keep there own properties. • ...

Chemistry Crossword 2022-08-23

Chemistry Crossword crossword puzzle
Across
  1. refers to how close a measured value is to an accepted value
  2. a physical property, such as mass, length, and volume, that is dependent upon the amount of substance present
  3. a characteristic of matter that can be observed or measured without changing the sample’s compisition-for example, density, color, taste, hardness, and melting point
  4. the number of all known digits reported in measurements plus one estimated digit
  5. a defined unit in a system of measurement that is based on an object or event in the physical world and is independent of other units
  6. a transition of matter from one state to another
  7. refers to how close a series of measurement are to one another; precise measurements show little variation over a series of trials but might not be accurate
Down
  1. the amount of mass per unit volume; a physical property
  2. a systematic approach to problem solving that uses conversion factors to move from one unit to another
  3. the ablility or inablilty of a substance to combine with or change into one or more new substances
  4. a process involving one or more substances changing into new substances; also called a chemical reaction
  5. a type of change that alters the physical properties of a substance but does not change its composition
  6. a physical property that remains the same no matter how much of a substance is present
  7. gaseous state of a substance that is a liquid or a solid at room temperature
  8. a ratio of equivalent used to express the same quantity in different units; is always equal to 1 and changes the units of a quantity without changing its value

15 Clues: a transition of matter from one state to another • the amount of mass per unit volume; a physical property • refers to how close a measured value is to an accepted value • gaseous state of a substance that is a liquid or a solid at room temperature • the number of all known digits reported in measurements plus one estimated digit • ...

Chemistry Terms 2022-09-21

Chemistry Terms crossword puzzle
Across
  1. an energy level defined by quantum theory
  2. the number of times a point on a wave passes a fixed reference point in one second
  3. 6.626 x 10^-34 Js
  4. electromagnetic radiation within the portion of the electromagnetic spectrum
  5. any quantum state of the system that has a higher energy than the ground state
  6. the emission of electrons when electromagnetic radiation, such as light, hits a material
  7. the distance between any given point and the same point in the next wave cycle
  8. power derived from the utilization of physical or chemical resources, especially to provide light and heat
Down
  1. light
  2. the lowest energy state of an atom or other particle
  3. a stable subatomic particle with a charge of negative electricity
  4. a function describing the location and wave-like behavior of an electron in an atom
  5. a particle representing a quantum of light or other electron magnetic radiation
  6. a displacement of a wave from zero
  7. a periodic disturbance that moves through space

15 Clues: light • 6.626 x 10^-34 Js • a displacement of a wave from zero • an energy level defined by quantum theory • a periodic disturbance that moves through space • the lowest energy state of an atom or other particle • a stable subatomic particle with a charge of negative electricity • electromagnetic radiation within the portion of the electromagnetic spectrum • ...

Organic Chemistry 2022-01-26

Organic Chemistry crossword puzzle
Across
  1. organic compounds in which all the carbon atoms are connected by single bonds
  2. aromatic organic compounds containing solely carbon and hydrogen atoms
  3. a compound containing carbon and hydrogen joined together in straight chains, branched trains or non-aromatic rings
  4. the process of breaking a covalent bond in a neutral molecule takes both original bonding electrons
  5. a two-stage reaction process of an addition reaction followed by an elimination reaction that gives an overall effect of substitution
Down
  1. a formula giving the number of atoms of each of the elements present in one molecule of a specific compound
  2. a formula giving the proportions of the elements present in a compound but not the actual numbers or arrangement of atoms
  3. a chemical compound that contains carbon-carbon double bonds or triple bonds
  4. a compound whose molecule has the same number of atoms of each element as another, but with logically distinct bonds between them
  5. a formula which shows the arrangement of atoms in the molecule of a compound
  6. a chemical species that forms bonds with nucleophiles by accepting an electron pair
  7. a reaction in which two molecules combine with elimination of a simple molecule
  8. an organic reaction where two or more molecules combine to form a larger one
  9. a substance consumed in the course of a chemical reaction
  10. used in mechanisms to show the various electron pairs moving around

15 Clues: a substance consumed in the course of a chemical reaction • used in mechanisms to show the various electron pairs moving around • aromatic organic compounds containing solely carbon and hydrogen atoms • a chemical compound that contains carbon-carbon double bonds or triple bonds • a formula which shows the arrangement of atoms in the molecule of a compound • ...

Organic Chemistry 2022-01-26

Organic Chemistry crossword puzzle
Across
  1. Aromatic hydrocarbons
  2. A substance that enters into and is altered in the course of a chemical reaction
  3. Chemical bond dissociation of a molecular bond by a process where each of the fragments retain one of the originally bonded electrons
  4. A molecular fragment that departs with a pair of electrons in heterolytic bond clevage
  5. A formula giving the proportions of the elements present in a compound but not the actual numbers or arrangements of atoms
  6. used in mechanisms to show the various electron pairs moving around
Down
  1. The process of breaking a covalent bond where one previously bonded species takes both original bonding electrons from the other species
  2. Another compound whose molecule has the same number of atoms of each element, but with logically distinct bonds between them
  3. A chemical reaction during which one functional group in a chemical compound is replaced by another functional group
  4. A reaction in which two or more molecules combine to form a larger molecule, with the simultaneous loss of a small molecule such as water or methanol
  5. A chemical species that forms bonds with electrophiles by donating an electron pair
  6. Any organic chemical compound in which the atoms are connected by single, double, or triple bonds to form nonaromatic structures
  7. A formula which shows the arrangement of atoms in the molecule of a compound
  8. An organic reaction where 2+ molecules combine to form a larger one
  9. A chemical species that forms bonds with nucleophiles by accepting an electron pair

15 Clues: Aromatic hydrocarbons • An organic reaction where 2+ molecules combine to form a larger one • used in mechanisms to show the various electron pairs moving around • A formula which shows the arrangement of atoms in the molecule of a compound • A substance that enters into and is altered in the course of a chemical reaction • ...

chemistry crossword 2022-11-03

chemistry crossword crossword puzzle
Across
  1. full VE shell
  2. positive charge equal to electrons
  3. bond sharing 2 pairs of electrons
  4. transfers electrons
  5. shares electrons
  6. model showing VE
  7. bond sharing 1 pair of electrons
  8. holds atoms in metallic substances
Down
  1. holds atoms together within a molecule
  2. the outermost shell of an element
  3. electrons aren't shared equally
  4. electrons shared equally between 2 atoms
  5. positive ion
  6. positively charged core of an atom
  7. formed by sharing 3 pairs of electrons

15 Clues: positive ion • full VE shell • shares electrons • model showing VE • transfers electrons • electrons aren't shared equally • bond sharing 1 pair of electrons • the outermost shell of an element • bond sharing 2 pairs of electrons • positive charge equal to electrons • positively charged core of an atom • holds atoms in metallic substances • holds atoms together within a molecule • ...

Chemistry Vocab 2023-09-07

Chemistry Vocab crossword puzzle
Across
  1. composed of two or more types of elements
  2. Smallest particle in a chemical element
  3. ability to dissolve in a liquid
  4. tendency of a substance to undergo chemical changes
  5. cannot be broken into anything
  6. substances can be visibly distinguished
Down
  1. solid substance formed when two solutions are chemically combined
  2. pH of less than 7
  3. new substances formed in a chemical reaction
  4. good conductors, malleable and ductile
  5. increases the rate of a chemical reaction
  6. pH more than 7
  7. positive charge
  8. used to classify solutions
  9. No charge

15 Clues: No charge • pH more than 7 • positive charge • pH of less than 7 • used to classify solutions • cannot be broken into anything • ability to dissolve in a liquid • good conductors, malleable and ductile • Smallest particle in a chemical element • substances can be visibly distinguished • composed of two or more types of elements • increases the rate of a chemical reaction • ...

Chemistry Crossword 2023-10-04

Chemistry Crossword crossword puzzle
Across
  1. a measure of the amount and type of matter in an object
  2. a group of atoms bonded together
  3. having the properties of an alkali, or containing alkali
  4. to act on or change someone or something
  5. a substance formed from two or more elements chemically united in fixed proportions
  6. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
  7. in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign
Down
  1. a change in physical form or a nuclear reaction
  2. the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass
  3. the mass of an atom of a chemical element expressed in atomic mass units
  4. the charge number of an atomic nucleus
  5. consisting of uncombined atoms rather than molecules
  6. a substance that cannot be broken down into any other substance
  7. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  8. a molecule or other entity that can donate a proton or accept an electron pair in reactions.

15 Clues: a group of atoms bonded together • the charge number of an atomic nucleus • to act on or change someone or something • a change in physical form or a nuclear reaction • consisting of uncombined atoms rather than molecules • a measure of the amount and type of matter in an object • having the properties of an alkali, or containing alkali • ...

Chemistry Revision 2023-10-13

Chemistry Revision crossword puzzle
Across
  1. Solid to Gas
  2. Liquid to Solid
  3. Sodium Chloride
  4. Particles in fluids move randomly
  5. Gas to Liquid
  6. decreasing the concentration of a solute in a solution
  7. It is a graph that uses the measurement /100g water
  8. When the particles are touching but not as close as a solid
Down
  1. When particles are far apart
  2. The only way that they move is by vibrating
  3. A substance with a solute and solvent mixed together
  4. Solid to Liquid
  5. Liquid to Gas
  6. A substance mixed in a solvent
  7. The movement of particles from a high concentration to a low concentration

15 Clues: Solid to Gas • Liquid to Gas • Gas to Liquid • Solid to Liquid • Liquid to Solid • Sodium Chloride • When particles are far apart • A substance mixed in a solvent • Particles in fluids move randomly • The only way that they move is by vibrating • It is a graph that uses the measurement /100g water • A substance with a solute and solvent mixed together • ...

Chemistry Revision 2023-10-13

Chemistry Revision crossword puzzle
Across
  1. Solid to Gas
  2. Liquid to Solid
  3. Sodium Chloride
  4. Particles in fluids move randomly
  5. Gas to Liquid
  6. decreasing the concentration of a solute in a solution
  7. It is a graph that uses the measurement /100g water
  8. When the particles are touching but not as close as a solid
Down
  1. When particles are far apart
  2. The only way that they move is by vibrating
  3. A substance with a solute and solvent mixed together
  4. Solid to Liquid
  5. Liquid to Gas
  6. A substance mixed in a solvent
  7. The movement of particles from a high concentration to a low concentration

15 Clues: Solid to Gas • Liquid to Gas • Gas to Liquid • Solid to Liquid • Liquid to Solid • Sodium Chloride • When particles are far apart • A substance mixed in a solvent • Particles in fluids move randomly • The only way that they move is by vibrating • It is a graph that uses the measurement /100g water • A substance with a solute and solvent mixed together • ...

Chemistry Crossword 2024-02-19

Chemistry Crossword crossword puzzle
Across
  1. the variable you measure as a result or in response to a change in an experiment
  2. an educated prediction based on what you know
  3. using your senses to gather information
  4. a statement that summarizes and explains the results of the experiment
  5. the supplies or resources you need
  6. also known as the problem or purpose; it’s what you want to solve
  7. the data that gives descriptive traits or characteristics
  8. the data that provides amounts or numerical measurements
Down
  1. the one variable you change in an experiment
  2. all the variables that remain constant or stay the same in an experiment
  3. the name for the actual testing portion of a lab
  4. the big process or set of steps all scientists follow
  5. the smaller step-by-step instructions you follow during the test
  6. the step you must preform before a hypothesis, to gather more information and give you background information
  7. finding patterns, similarities, and differences in the data

15 Clues: the supplies or resources you need • using your senses to gather information • the one variable you change in an experiment • an educated prediction based on what you know • the name for the actual testing portion of a lab • the big process or set of steps all scientists follow • the data that provides amounts or numerical measurements • ...

Chemistry Terms 2020-07-09

Chemistry Terms crossword puzzle
Across
  1. THEY are chemical compounds that are formed by the reaction of an acid and a base.
  2. The central core of an atom containing the protons and neutrons.
  3. IT measures the activity of the hydrogen ion in substances. If a substance has a pH less than 7 it is said to be acidic. If its pH is greater than 7 then it said to be basic or alkaline.
  4. A table of the chemical elements arranged by atomic number.
  5. A family of elements that makes up column 18 of the periodic table. They are very stable due to their full outer electron shells.
  6. A particle in the nucleus of an atom that has no electric charge.
  7. A substance that is a good conductor of heat and electricity. They are generally malleable, ductile, and shiny.
  8. A homogeneous mixture where one substance called the solute is fully dissolved into another substance called the solvent. For example, IT is formed when salt dissolves into water to make the solution salt water.
  9. IT is formed when two or more atoms are joined together by a chemical bond.
Down
  1. A particle within the nucleus of an atom that holds a positive charge.
  2. An electron in an atom that can participate in a chemical bond
  3. The process that occurs when two or more chemical substances are combined to form another chemical substance.
  4. A substance is said to be THIS if it can be pounded into a thin sheet.
  5. A combination of two or more substances that are not chemically combined.
  6. The name for the process when oxygen combines with another element to form a compound.

15 Clues: A table of the chemical elements arranged by atomic number. • An electron in an atom that can participate in a chemical bond • The central core of an atom containing the protons and neutrons. • A particle in the nucleus of an atom that has no electric charge. • A particle within the nucleus of an atom that holds a positive charge. • ...

kayley - chemistry 2019-10-18

kayley - chemistry crossword puzzle
Across
  1. the basic unit of a chemical element
  2. a thing that is composed of two or more separate elements
  3. characteristic of a substance that may be observed when it participates in a chemical reaction
  4. having assets in excess of liabilities; able to pay one's debts
  5. cloudy
  6. undergoes changes during a reaction
  7. an article or substance that is manufactured or refined for sale
  8. Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements
Down
  1. a part or aspect of something abstract, especially one that is essential or characteristic
  2. the mass of an atom of a chemical element expressed in atomic mass units
  3. same
  4. final product
  5. different
  6. things you can observe
  7. a gesture of respect, homage, or polite recognition or acknowledgment, especially one made to or by a person when arriving or departing

15 Clues: same • cloudy • different • final product • things you can observe • undergoes changes during a reaction • the basic unit of a chemical element • a thing that is composed of two or more separate elements • having assets in excess of liabilities; able to pay one's debts • an article or substance that is manufactured or refined for sale • ...

Chemistry: Metals 2020-05-15

Chemistry: Metals crossword puzzle
Across
  1. The gas produced when calcium reacts with water.
  2. Able to be drawn into a thin wire
  3. The type of reaction between zinc and copper (II) sulfate
  4. The reaction that takes place when iron reacts with oxygen in the presence of water
  5. Easily bent
  6. Metals react with this to produce salt and hydrogen
Down
  1. Calcium reacts with water to produce calcium ..........
  2. The force between the positive ions and free electrons in a metal
  3. An alloy made of copper and zinc
  4. Blue copper (II) sulfate solution turns to this colour when iron is placed in it
  5. Zinc ......... is formed when zinc reacts with steam.
  6. This metal is the main constituent in steel
  7. A regular repeated three dimensional arrangement of particles
  8. This metal does not react with water due to a protective oxide layer that forms on its surface
  9. A mixture of a metal and other elements which is stronger and more durable than the pure metal

15 Clues: Easily bent • An alloy made of copper and zinc • Able to be drawn into a thin wire • This metal is the main constituent in steel • The gas produced when calcium reacts with water. • Metals react with this to produce salt and hydrogen • Zinc ......... is formed when zinc reacts with steam. • Calcium reacts with water to produce calcium .......... • ...

Chemistry Puzzle 2020-09-03

Chemistry Puzzle crossword puzzle
Across
  1. What is the most common isotope of hydrogen(9)
  2. Acid released by bees in a bee sting; other name of formic acid(13)
  3. What is called indian saltpeter(13)
  4. Name the indicator which turns red when added to base(8)
  5. Catalytic converters are generally made of(16)
  6. Most commonly used bleaching agent is(8)
Down
  1. Copper loses lusture due to the formation of(15)
  2. Acid having pH value of 4(10)
  3. Strongest oxidizing agent(8)
  4. Stearic acid is present in(4)
  5. What is used in medicines for treating indigestion(7)
  6. pH of concentrated HCl is(4)
  7. What colour would hydrochloric acid (ph 1) turn universal indicator into(9)
  8. No. of water molecules in GYPSUM as water of crystallisation is(3)
  9. Malic acid is present(6)

15 Clues: Malic acid is present(6) • Strongest oxidizing agent(8) • pH of concentrated HCl is(4) • Acid having pH value of 4(10) • Stearic acid is present in(4) • What is called indian saltpeter(13) • Most commonly used bleaching agent is(8) • What is the most common isotope of hydrogen(9) • Catalytic converters are generally made of(16) • ...

Nuclear chemistry 2024-05-07

Nuclear chemistry crossword puzzle
Across
  1. atom characterized by the number of protons
  2. conversion of one chemical element
  3. high speed electron
  4. Series of chemical reactions
  5. positively charged particle
  6. nuclei combine
  7. property of some unstable atoms
  8. radioactive decay
Down
  1. a reaction that involves change in atom
  2. nucleus split into smaller nuclei
  3. disintegration of radioactive substance
  4. nuclear species of the same chemical element
  5. basic building block of chemistry
  6. electromagnetic radiation
  7. Reduce to half of its initial value

15 Clues: nuclei combine • radioactive decay • high speed electron • electromagnetic radiation • positively charged particle • Series of chemical reactions • property of some unstable atoms • nucleus split into smaller nuclei • basic building block of chemistry • conversion of one chemical element • Reduce to half of its initial value • a reaction that involves change in atom • ...

GCSE chemistry 2024-05-01

GCSE chemistry crossword puzzle
Across
  1. colour of flame test for potassium.
  2. the state of matter of Bromine
  3. the type of polymerisation present in the production of poly(ethene)
  4. a reaction in which thermal energy is absorbed from the surroundings
  5. the most reactive Halogen
  6. the name of the process used to make ammonia
Down
  1. a reaction between an acid and a base
  2. formula showing the lowest whole number ratio of atoms in a molecule
  3. the negatively charged particle in an atom
  4. atoms of same element with a different number of neutrons
  5. Group 1 the —————— metals
  6. precipitate colour produced when a chloride reacts with acidified silver nitrate
  7. when a solid is formed in a solution
  8. colour change of Bromine water when in the presence of a carbon to carbon double bond
  9. the type of molecule made by reacting an alcohol and a carboxylic acid

15 Clues: Group 1 the —————— metals • the most reactive Halogen • the state of matter of Bromine • colour of flame test for potassium. • when a solid is formed in a solution • a reaction between an acid and a base • the negatively charged particle in an atom • the name of the process used to make ammonia • atoms of same element with a different number of neutrons • ...

Nuclear Chemistry 2024-05-08

Nuclear Chemistry crossword puzzle
Across
  1. The use of radioisotopes to diagnose and treat diseases
  2. composite particles consisting of two protons and two neutrons tightly bound together
  3. the amount of time it takes for half of a radioactive isotope/sample to decay
  4. when neutrons from proceeding fission reaction then split more atoms and the fission continues like dominos
  5. where fission is occurring at the nuclear power plant
  6. elements passed number 92, which are synthetic
  7. when one nucleus slams into another, creating a new nucleus
  8. controlled fission is how we get ______.
Down
  1. all of the forms of light
  2. the spontaneous breakdown of unstable nuclei
  3. when a nucleus splits into two daughter nuclei, and releases an excess of neutrons as well
  4. when two smaller nuclei combine to form a larger one
  5. a term for any type of light or fast moving particle that emanates outward in all directions
  6. Used to treat thyroid disease
  7. used as a coolant in a nuclear reactor

15 Clues: all of the forms of light • Used to treat thyroid disease • used as a coolant in a nuclear reactor • controlled fission is how we get ______. • the spontaneous breakdown of unstable nuclei • elements passed number 92, which are synthetic • when two smaller nuclei combine to form a larger one • where fission is occurring at the nuclear power plant • ...

Chemistry vocab 2024-03-20

Chemistry vocab crossword puzzle
Across
  1. A solution that has a relatively low concentration of solute.
  2. The substance being dissolved in a solution.
  3. The maximum amount of solute that can dissolve in a given amount of solvent at a specified temperature.
  4. Central to the unit, understanding what a solution is and its components (solute and solvent) is fundamental.
  5. Reaction: A chemical reaction between an acid and a base, resulting in the formation of water and a salt.
  6. A measure of the acidity or basicity of a solution.
  7. Substances that dissociate into ions in solution and conduct electricity.
Down
  1. Solution: A solution in which more solute can be dissolved at a given temperature.
  2. Another measure of concentration, defined as the number of moles of solute per kilogram of solvent.
  3. The substance in which the solute is dissolved.
  4. Solution: A solution in which the maximum amount of solute has dissolved at a given temperature.
  5. (M): A measure of concentration, defined as the number of moles of solute per liter of solution.
  6. A substance that donates protons or accepts electrons.
  7. A substance that accepts protons or donates electrons.
  8. Substances that do not dissociate into ions in solution and do not conduct electricity.

15 Clues: The substance being dissolved in a solution. • The substance in which the solute is dissolved. • A measure of the acidity or basicity of a solution. • A substance that donates protons or accepts electrons. • A substance that accepts protons or donates electrons. • A solution that has a relatively low concentration of solute. • ...

Chemistry Crossword 2024-08-17

Chemistry Crossword crossword puzzle
Across
  1. Many units that make up polymer molecules
  2. Deoxyribonucleic acid
  3. Substance molecule dissolves in
  4. Dissolves into another molecule
  5. A type of chemistry that deals with carbon-containing compounds
  6. Machine that creates proteins
  7. polymerase Reads the DNA to make a temporary copy for RNA
  8. A reaction when molecules trade places
  9. A reaction when molecules break apart
Down
  1. A reaction when molecules join together
  2. Ribonucleic acid
  3. Proteins that break the bonds of glucose molecules
  4. A reaction when molecules are removed
  5. Fats with no double bonds
  6. A count that represents certain number of things
  7. Fats that have double bonds

16 Clues: Ribonucleic acid • Deoxyribonucleic acid • Fats with no double bonds • Fats that have double bonds • Machine that creates proteins • Substance molecule dissolves in • Dissolves into another molecule • A reaction when molecules are removed • A reaction when molecules break apart • A reaction when molecules trade places • A reaction when molecules join together • ...

PREIB Chemistry 2023-03-02

PREIB Chemistry crossword puzzle
Across
  1. white substance formed like AgCl, AgBr and AgI
  2. a substance used to identify a substance acidic or basic
  3. type of analytical analyses based on the amount of substances
  4. reaction between acid and base
  5. point the point in a titration at which we stop adding the
  6. proton donor
  7. pH of water
Down
  1. acid base indicator that gives pink color with alkali
  2. used to measure accurate volume of titrant
  3. a device used to measure pH
  4. a solution of known concentration
  5. [H+] is also known as ___________
  6. type of analytical analyses based on substances present
  7. substances like vinegar and juices are considered ______
  8. proton acceptor

15 Clues: pH of water • proton donor • proton acceptor • a device used to measure pH • reaction between acid and base • a solution of known concentration • [H+] is also known as ___________ • used to measure accurate volume of titrant • white substance formed like AgCl, AgBr and AgI • acid base indicator that gives pink color with alkali • ...

PREIB Chemistry 2023-03-02

PREIB Chemistry crossword puzzle
Across
  1. white substance formed like AgCl, AgBr and AgI
  2. a substance used to identify a substance acidic or basic
  3. type of analytical analyses based on the amount of substances
  4. reaction between acid and base
  5. point the point in a titration at which we stop adding the
  6. proton donor
  7. pH of water
Down
  1. acid base indicator that gives pink color with alkali
  2. used to measure accurate volume of titrant
  3. a device used to measure pH
  4. a solution of known concentration
  5. [H+] is also known as ___________
  6. type of analytical analyses based on substances present
  7. substances like vinegar and juices are considered ______
  8. proton acceptor

15 Clues: pH of water • proton donor • proton acceptor • a device used to measure pH • reaction between acid and base • a solution of known concentration • [H+] is also known as ___________ • used to measure accurate volume of titrant • white substance formed like AgCl, AgBr and AgI • acid base indicator that gives pink color with alkali • ...

Chemistry Solutions 2023-04-25

Chemistry Solutions crossword puzzle
Across
  1. Incapable of being dissolved in a particular solvent.
  2. A solution that contains less than the maximum amount of solute that can be dissolved in a particular solvent at a particular temperature and pressure.
  3. The maximum amount of solute that can be dissolved in a given amount of solvent at a particular temperature and pressure.
  4. Capable of being mixed in all proportions.
  5. The substance in a solution that dissolves the other substance(s).
  6. A solution that contains the maximum amount of solute that can be dissolved in a particular solvent at a particular temperature and pressure.
  7. A mixture that is uniform in composition throughout.
  8. Capable of being dissolved in a particular solvent.
  9. A substance that dissolves in water to produce ions that can conduct electricity.
Down
  1. The substance in a solution that is dissolved by the solvent.
  2. A substance that does not produce ions when it dissolves in water and cannot conduct electricity.
  3. Incapable of being mixed in all proportions.
  4. A solution that contains more solute than can normally be dissolved in a particular solvent at a particular temperature and pressure.
  5. A concentration unit that expresses the number of moles of solute per kilogram of solvent.
  6. A concentration unit that expresses the number of moles of solute per liter of solution.

15 Clues: Capable of being mixed in all proportions. • Incapable of being mixed in all proportions. • Capable of being dissolved in a particular solvent. • A mixture that is uniform in composition throughout. • Incapable of being dissolved in a particular solvent. • The substance in a solution that is dissolved by the solvent. • ...

Chemistry-1 2022-12-06

Chemistry-1 crossword puzzle
Across
  1. Reactive Group-2 metals
  2. Highly reactive Group-1 metals
  3. A substance made of only one type of atom
  4. The negatively charged subatomic particle that orbits the nucleus of an atom
  5. The positively charged subatomic particle in the nucleus of an atom
  6. A substance made of more than one element
  7. An atom that has lost or gained electrons and therefore carries a charge
Down
  1. Group 17 non-metal
  2. Horizontal row of the periodic table
  3. Vertical column of the periodic table
  4. Metals in Groups 3 to 12 inclusive
  5. Forms of an element with different atomic mass
  6. Group 18 inert gas
  7. The property of an element that determines the number of other atoms with which an atom of the element can combine
  8. The subatomic particle of neutral charge in the nucleus of an atom

15 Clues: Group 17 non-metal • Group 18 inert gas • Reactive Group-2 metals • Highly reactive Group-1 metals • Metals in Groups 3 to 12 inclusive • Horizontal row of the periodic table • Vertical column of the periodic table • A substance made of only one type of atom • A substance made of more than one element • Forms of an element with different atomic mass • ...

CHEMISTRY Revision 2025-03-21

CHEMISTRY Revision crossword puzzle
Across
  1. A soluble base (6)
  2. A subatomic particle with a negative charge (7)
  3. Water molecules chemically bonded into a crystal structure (5,2,15)
  4. Acid + Metal --> Salt + ? (8)
  5. The pH where something is neutral (5)
  6. A molecule that can donate a proton or accept an electron pair in a reaction (4)
  7. A substance which can be dissolved in a solvent (6)
  8. A method to find the concentration of an unknown substance (9)
  9. A positively charged ion (6)
Down
  1. When a solution has the maximum amount of of a substance dissolved in a liquid. (9,8)
  2. When the hydrogen in an acid is replaced with a metal in a reaction (4)
  3. The dense, center of the atom (7)
  4. A substance in which substances can be dissolved (7)
  5. A negatively charged ion (5)
  6. The point where one drop of a solution will neutralize the other solution and involve a colour change (3,5)

15 Clues: A soluble base (6) • A negatively charged ion (5) • A positively charged ion (6) • Acid + Metal --> Salt + ? (8) • The dense, center of the atom (7) • The pH where something is neutral (5) • A subatomic particle with a negative charge (7) • A substance which can be dissolved in a solvent (6) • A substance in which substances can be dissolved (7) • ...

Chemistry revision 2025-03-21

Chemistry revision crossword puzzle
Across
  1. what role does salt play in water
  2. if salt can dissolve in water it is
  3. - Substance formed when two or more elements combine
  4. - Substance that speeds up a chemical reaction
  5. - Atom or molecule with a net electric charge
  6. above pH 7
Down
  1. - Substance that accepts hydrogen ions (H⁺) in solution
  2. - A homogeneous mixture of two or more substances
  3. - Substance present at the start of a chemical reaction
  4. what role does water play a role with salt
  5. below ph 7
  6. - Two or more atoms bonded together
  7. - Pure substance made of only one kind of atom
  8. - Substance that donates hydrogen ions (H⁺) in solution
  9. - Smallest unit of matter

15 Clues: below ph 7 • above pH 7 • - Smallest unit of matter • what role does salt play in water • if salt can dissolve in water it is • - Two or more atoms bonded together • what role does water play a role with salt • - Atom or molecule with a net electric charge • - Substance that speeds up a chemical reaction • - Pure substance made of only one kind of atom • ...

CHEMISTRY CROSSWORD 2025-07-20

CHEMISTRY CROSSWORD crossword puzzle
Across
  1. Two or more atoms bonded together.
  2. A pure substance made up of only one type of atom.
  3. A solid substance with a regular and repeating arrangement of particles.
  4. A neutral particle found in the nucleus of an atom.
  5. A slow chemical reaction between iron, water, and oxygen.
  6. Mass per unit volume; determines how heavy something is for its size.
  7. A chemical reaction in which a substance burns in oxygen to release heat.
Down
  1. A mixture of two or more metals, or a metal and a non-metal.
  2. A negatively charged particle that moves around the nucleus.
  3. The process of forming solid crystals from a solution.
  4. The amount of space an object or substance occupies.
  5. A substance with a sour taste and pH less than 7; turns blue litmus red.
  6. A combination of two or more substances that do not chemically combine.
  7. "Makes up most of the air we breathe, but we can't use it directly."
  8. The smallest unit of matter that retains the properties of an element.

15 Clues: Two or more atoms bonded together. • A pure substance made up of only one type of atom. • A neutral particle found in the nucleus of an atom. • The amount of space an object or substance occupies. • The process of forming solid crystals from a solution. • A slow chemical reaction between iron, water, and oxygen. • ...

Organic Chemistry 2025-07-23

Organic Chemistry crossword puzzle
Across
  1. The specific type of atom group that differs by one unit between members in a homologous series (−CH₂−
  2. Organic compounds with a carbon-carbon double bond.
  3. The –COOH group found in all carboxylic acids.
  4. Alcohols contain this functional group.
  5. Each adjacent member of a homologous series increases in chain length by how many carbons?
  6. Smallest alkane; formula CH₄.
  7. All members of a homologous series display a gradual change in this property (e.g., boiling point) as the chain length increases.
  8. A displayed formula shows all of these for each atom.
  9. Family of compounds with the same functional group and a general formula.
Down
  1. A molecular formula shows the number of each type of these in a molecule.
  2. Term for a group of atoms responsible for chemical reactions in organic compounds.
  3. The general formula for alkanes is CnH₂n plus what number?
  4. Alk- prefix and -ane suffix identifies the members of this series.
  5. Type of reaction typical of alkenes but not alkanes.
  6. These compounds have same molecular formula but different structures.
  7. General formula for carboxylic acids is CnH₂n plus how many Os?

16 Clues: Smallest alkane; formula CH₄. • Alcohols contain this functional group. • The –COOH group found in all carboxylic acids. • Organic compounds with a carbon-carbon double bond. • Type of reaction typical of alkenes but not alkanes. • A displayed formula shows all of these for each atom. • The general formula for alkanes is CnH₂n plus what number? • ...

Chemistry Crossword 2025-01-10

Chemistry Crossword crossword puzzle
Across
  1. Capacity to do work or transfer heat
  2. Physical combination of two or more substances
  3. Depends on the type of matter
  4. Reaction that absorbs energy from its surroundings
  5. Measure of the amount of matter
  6. Variable shape and volume
  7. Amount of space occupied by matter
  8. Anything with mass that occupies space
Down
  1. One visibly distinct phase with the same properties throughout
  2. Depends on the amount of matter in the sample
  3. Beginning substances that start a reaction
  4. Substances that are formed during the reaction
  5. Variable shape and fixed volume
  6. Pure substance made of only one kind of atom
  7. Fixed shape and volume

15 Clues: Fixed shape and volume • Variable shape and volume • Depends on the type of matter • Variable shape and fixed volume • Measure of the amount of matter • Amount of space occupied by matter • Capacity to do work or transfer heat • Anything with mass that occupies space • Beginning substances that start a reaction • Pure substance made of only one kind of atom • ...

Chemistry - Reactions 2025-02-16

Chemistry - Reactions crossword puzzle
Across
  1. A factor that can change.​
  2. A substance that is changed during a reaction.
  3. A reaction in which an insoluble product is formed from soluble reactants.
  4. A reaction where a more reactive element takes the place of a less reactive element in a compound.​
  5. ​A reaction in which an acid reacts with a base to produce a salt and water only.
  6. An enzyme in which the shape of the active site has changed so much that its substrate no longer fits and the reaction can no longer happen.
  7. A protein produced by living organisms that acts as a catalyst to increase the rate of a reaction.
Down
  1. A measure of how much solute is dissolved in a solvent such as water.
  2. A reaction in which energy is transferred from the reactants to the surroundings. The temperature of the surroundings increases.
  3. A substance that increases the rate of a reaction without itself being used up.
  4. The new substances made in a chemical reaction. These are written on the right side, after the arrow, in a word equation.​
  5. The substances that take part in a chemical reaction. These are written on the left side, before the arrow, in a word equation.
  6. A reaction in which energy is transferred to the reactants from the surroundings. The temperature of the surroundings decreases.​
  7. How quickly something happens.
  8. Chemical change that forms a new substance

15 Clues: A factor that can change.​ • How quickly something happens. • Chemical change that forms a new substance • A substance that is changed during a reaction. • A measure of how much solute is dissolved in a solvent such as water. • A reaction in which an insoluble product is formed from soluble reactants. • ...

Organic Chemistry 2026-02-02

Organic Chemistry crossword puzzle
Across
  1. — large molecule made from many monomers
  2. — contains the -OH (hydroxyl) functional group
  3. — unsaturated hydrocarbon with C=C double bond (CnH2n)
  4. — reaction type where alkenes add molecules across double bond
  5. — breaking large hydrocarbons into smaller useful ones
  6. — contains at least one C=C double bond
  7. — compound containing only carbon and hydrogen
  8. — small repeating unit that forms a polymer
Down
  1. — as in carboxylic acid (series with -COOH group)
  2. — common alcohol (C2H5OH), used in drinks and as fuel
  3. — burning in oxygen, complete gives CO2 + H2O
  4. — saturated hydrocarbon (general formula CnH2n+2)
  5. — formed from alcohol + carboxylic acid (fruity smells)
  6. — separated component from fractional distillation
  7. — no double bonds (all single C-C bonds)

15 Clues: — contains at least one C=C double bond • — large molecule made from many monomers • — no double bonds (all single C-C bonds) • — small repeating unit that forms a polymer • — burning in oxygen, complete gives CO2 + H2O • — contains the -OH (hydroxyl) functional group • — compound containing only carbon and hydrogen • — as in carboxylic acid (series with -COOH group) • ...

Chemistry Vocabulary 2026-02-20

Chemistry Vocabulary crossword puzzle
Across
  1. Two or more elements chemically joined together.
  2. A neutral particle found in the nucleus.
  3. A material that does not conduct electricity well and is usually dull.
  4. The number of protons in an atom.
  5. The temperature at which a liquid turns into a gas.
  6. A change that forms a new substance.
  7. The smallest unit of matter.
  8. A solid formed during a chemical reaction in a liquid.
Down
  1. A positively charged particle found in the nucleus.
  2. A pure substance made of one kind of atom.
  3. A shiny material that conducts electricity well and can bend.
  4. Two or more substances not chemically joined.
  5. The ability to allow electricity to pass through.
  6. A negatively charged particle that moves around the nucleus.
  7. Mass divided by volume.

15 Clues: Mass divided by volume. • The smallest unit of matter. • The number of protons in an atom. • A change that forms a new substance. • A neutral particle found in the nucleus. • A pure substance made of one kind of atom. • Two or more substances not chemically joined. • Two or more elements chemically joined together. • The ability to allow electricity to pass through. • ...

Elementary Chemistry 2025-09-20

Elementary Chemistry crossword puzzle
Across
  1. : Substance that tastes sour and has a pH below 7
  2. : Group of atoms bonded together
  3. : Smallest unit of an element that still has that element’s properties
  4. : Substance that feels slippery and has a pH above 7
  5. : Mass per unit volume of a substance
  6. : Positively charged particle in the nucleus of an atom
  7. : Pure substance made of only one kind of atom
Down
  1. : Substance made of two or more elements chemically combined
  2. : Negatively charged particle moving around the nucleus
  3. : Substance (often liquid) that dissolves another substance
  4. : Table that organizes elements by atomic number and properties
  5. : Electrons in the outer shell that participate in bonding
  6. : Neutral particle found in the nucleus of an atom
  7. : Combination of substances that are not chemically bonded
  8. : Compound formed when an acid reacts with a base

15 Clues: : Group of atoms bonded together • : Mass per unit volume of a substance • : Pure substance made of only one kind of atom • : Substance that tastes sour and has a pH below 7 • : Compound formed when an acid reacts with a base • : Neutral particle found in the nucleus of an atom • : Substance that feels slippery and has a pH above 7 • ...

Chemistry Crossword 2025-10-13

Chemistry Crossword crossword puzzle
Across
  1. Something with a variable composition
  2. Positively charged ion
  3. A fundamental substance that cannot be broken down into other substances by chemical means
  4. The 'stuff' that the universe is composed of, and has mass and occupies space
  5. Electrically charged atom or molecule due to unbalance in the number of protons and electrons
  6. Distinct substance that is composed of the atoms of two or more elements
  7. Dense, positively charged center of an atom
Down
  1. An anion containing one or more oxygen atoms bonded to another element
  2. Particle with a neutral charge
  3. Positively charged particles
  4. Negatively charged particles
  5. A group of atoms bonded together
  6. An atom of an element with the same number of protons but a different number of neutrons compared to other atoms of the same element
  7. Negatively charged ion
  8. A substance that can donate a proton (\(H^{+}\)) or accept an electron pair to form a covalent bond

15 Clues: Positively charged ion • Negatively charged ion • Positively charged particles • Negatively charged particles • Particle with a neutral charge • A group of atoms bonded together • Something with a variable composition • Dense, positively charged center of an atom • An anion containing one or more oxygen atoms bonded to another element • ...

Chemistry P3 2025-11-11

Chemistry P3 crossword puzzle
Across
  1. An example of a chemical change
  2. When two or more of the same type of atom combine with each other
  3. A state of matter that can flow
  4. Anything that takes up space
  5. A change that permanently rearranges the atoms of a substance
  6. An example of a gas
  7. An example of a solid
  8. The study of science that deals with the identification of matter and how matter interacts
  9. A state of matter that has NO SHAPE
Down
  1. A change that does not change the substances chemical properties
  2. An example of physical change
  3. When two or more different atoms combine with each other
  4. Tiny, microscopic pieces of matter that are made up of protons, neutrons, and electrons
  5. A state of matter that keeps its shape
  6. An example of a liquid

15 Clues: An example of a gas • An example of a solid • An example of a liquid • Anything that takes up space • An example of physical change • An example of a chemical change • A state of matter that can flow • A state of matter that has NO SHAPE • A state of matter that keeps its shape • When two or more different atoms combine with each other • ...

Chemistry Christmas 2025-12-18

Chemistry Christmas crossword puzzle
Across
  1. Subatomic particles with a positive charge
  2. Santa's favorite animal
  3. The liquid we used that is nonpolar
  4. Subatomic particles without a charge
  5. Lithium is in the ____ metals group
  6. Hydrogen has a charge of ____
  7. When oil and water combine, will they mix or be separate?
Down
  1. The rings around the nucleus are called
  2. Neon has this many valence electrons
  3. In terms of polarity (water and food dye), like ___ like.
  4. A dessert left for Santa
  5. Oxygen has a charge of ___
  6. Na donates one electron to Cl in an ___ bond
  7. Water is a ____ molecule
  8. Makes Santa's toys

15 Clues: Makes Santa's toys • Santa's favorite animal • A dessert left for Santa • Water is a ____ molecule • Oxygen has a charge of ___ • Hydrogen has a charge of ____ • The liquid we used that is nonpolar • Lithium is in the ____ metals group • Neon has this many valence electrons • Subatomic particles without a charge • The rings around the nucleus are called • ...

Chemistry Corssword 2026-04-01

Chemistry Corssword crossword puzzle
Across
  1. – Small number in a formula that shows how many atoms of an element are in a molecule.
  2. – A group of atoms bonded together, the smallest unit of a compound.
  3. – Pure substance listed on the periodic table with a unique symbol.
  4. – Plant process that rearranges atoms of water and carbon dioxide into glucose and oxygen.
  5. – Substances formed as a result of a chemical reaction.
  6. – Process where atoms rearrange to form new substances.
  7. – Organized chart of all known elements.
  8. – Big number in front of a formula that tells how many molecules are involved.
Down
  1. – Physical combination of substances that are not chemically bonded.
  2. – Law stating mass is not created or destroyed in a chemical reaction.
  3. – Anything that has mass and takes up space.
  4. – Change in form or state, but no new substance is made.
  5. – Pure substance made of two or more elements chemically bonded.
  6. – Starting substances in a chemical reaction.
  7. – A solid that forms and “falls out” of solution during a reaction.

15 Clues: – Organized chart of all known elements. • – Anything that has mass and takes up space. • – Starting substances in a chemical reaction. • – Substances formed as a result of a chemical reaction. • – Process where atoms rearrange to form new substances. • – Change in form or state, but no new substance is made. • ...

CHEMISTRY CROSSOWRD 2026-06-01

CHEMISTRY CROSSOWRD crossword puzzle
Across
  1. – Reaction between an acid and a base.
  2. – Balanced representation of a chemical reaction.
  3. – Substance that slows down a reaction.
  4. – Reaction where a compound breaks down into simpler substances.
  5. (or Synthesis) – Reaction where two or more substances combine to form a single product.
  6. – Substance that undergoes change in a reaction.
  7. – Loss of electrons in a reaction.
Down
  1. – Process of coating iron with zinc to prevent ru
  2. (or Replacement) – Reaction where one element replaces another.
  3. (or Oxidation) – Reaction involving oxygen.
  4. – Substance that speeds up a reaction without being consumed.
  5. – Substance formed after a chemical reaction.
  6. Reduction – Gain of electrons in a reaction.
  7. – A reaction that produces heat.
  8. – Chemical reaction where energy is absorbed.

15 Clues: – A reaction that produces heat. • – Loss of electrons in a reaction. • – Reaction between an acid and a base. • – Substance that slows down a reaction. • (or Oxidation) – Reaction involving oxygen. • Reduction – Gain of electrons in a reaction. • – Substance formed after a chemical reaction. • – Chemical reaction where energy is absorbed. • ...

Chemistry Crossword 2026-06-02

Chemistry Crossword crossword puzzle
Across
  1. A reaction that produces heat
  2. Reaction between an acid and a base
  3. Substance that undergoes change in a reaction
  4. Reaction where a compound breaks down into simpler substances
  5. Process of coating iron with zinc to prevent rusting
  6. Loss of electrons in a reaction
  7. Substance that speeds up a reaction without being consumed
  8. Chemical reaction where energy is absorbed
Down
  1. Reaction where two or more substances combine to form a single product
  2. Substance that slows down a reaction
  3. Balanced representation of a chemical reaction
  4. Substance formed after a chemical reaction
  5. Reaction involving oxygen
  6. Reaction where one element replaces another
  7. Gain of electrons in a reaction

15 Clues: Reaction involving oxygen • A reaction that produces heat • Loss of electrons in a reaction • Gain of electrons in a reaction • Reaction between an acid and a base • Substance that slows down a reaction • Substance formed after a chemical reaction • Chemical reaction where energy is absorbed • Reaction where one element replaces another • ...

Chemistry Games 2026-07-06

Chemistry Games crossword puzzle
Across
  1. sifat bahan yang dilabeli gambar 2
  2. Langkah-langkah atau urutan kerja yang harus dipatuhi secara ketat saat berada di dalam laboratorium agar aman
  3. lambang unsur kalsium yang terdapat dalam susu
  4. kunyit, kulit manggis dan bunga telang termasuk indikator
  5. kandungan dalam rokok yang memiliki efek candu
  6. unsur logam ini adalah Cu
  7. nama alat pada gambar 1
Down
  1. Proses perubahan kimia pada logam besi yang dibiarkan di udara terbuka dan lembab, menghasilkan lapisan berwarna kecoklatan
  2. nama lain asam asetat yang ditambahkan dalam kuah bakso
  3. perubahan yang terjadi dalam pembusukan buah dan baterai habis
  4. rempah dapur yang berwarna oranye atau kuning yang dapat digunakan sebagai indikator alami
  5. lapisan yang melindungi kita dari sinar UV yang dilambangkan O3
  6. nama bunga berwarna biru yang dapat menjadi teh dan juga sebagai indikator alami
  7. salah satu logam paling tahan panas di bumi yang sering digunakan untuk komponen mesin jet dan knalpot motor
  8. simbol garam dapur dalam kimia

15 Clues: nama alat pada gambar 1 • unsur logam ini adalah Cu • simbol garam dapur dalam kimia • sifat bahan yang dilabeli gambar 2 • lambang unsur kalsium yang terdapat dalam susu • kandungan dalam rokok yang memiliki efek candu • nama lain asam asetat yang ditambahkan dalam kuah bakso • kunyit, kulit manggis dan bunga telang termasuk indikator • ...

chemistry puzzle 2026-08-05

chemistry puzzle crossword puzzle
Across
  1. the capacity to do work or transfer heat
  2. a definite shape
  3. a process that releases energy into the surroundings
  4. gas like variable
  5. study of the composition structure and properties of matter and the change it undergoes
  6. poor conductor of heat and electricity
  7. takes the shape of the container
  8. a process that absorbs energy from the surroundings
Down
  1. depends on the amount of matter in the sample
  2. properties of metal and nonmetal
  3. no shape or volume
  4. a substance made from atoms of multiple elements bonded together
  5. conduct electricity and heat well
  6. anything with mass that occupies space
  7. depends on the type of matter, not the amount

15 Clues: a definite shape • gas like variable • no shape or volume • properties of metal and nonmetal • takes the shape of the container • conduct electricity and heat well • poor conductor of heat and electricity • anything with mass that occupies space • the capacity to do work or transfer heat • depends on the amount of matter in the sample • ...