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perodic puzzle
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atomic number: number of protons in the nucleus of an atom
chemical symbol: one or two letter abbreviation for an element
periodic table: arrangement of elements showing a repeating pattern
neutron: particle in the nucleus that has no charge
atom: the smallest particle that has the properties of an element
nucleus: the center of an atom; made up of protons and neutrons
element: a substance that cannot be separated into simpler substances
compound: a whole formed by a union of two or more elements or substances
molecule: the simplest structural unit of an element or compound
atomic mass: property of an atom that causes it to have weight
electron: an element particle of negative charge
valence electron: an electron in the outer shell of an atom
reactants: a chemical substance present in the start of a process
chemical reactions: a process in which chemicals are changed into others
products: an artifact that has been created by someone or some process
perodic puzzle
Across:1. | arrangement of elements showing a repeating pattern | 4. | an electron in the outer shell of an atom | 8. | particle in the nucleus that has no charge | 9. | a substance that cannot be separated into simpler substances |
| 10. | the center of an atom; made up of protons and neutrons | 12. | an artifact that has been created by someone or some process | 14. | the smallest particle that has the properties of an element | 15. | a process in which chemicals are changed into others |
| | Down:2. | property of an atom that causes it to have weight | 3. | an element particle of negative charge | 5. | one or two letter abbreviation for an element | 6. | a whole formed by a union of two or more elements or substances |
| 7. | a chemical substance present in the start of a process | 11. | number of protons in the nucleus of an atom | 13. | the simplest structural unit of an element or compound |
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© 2016
PuzzleFast.com, Noncommercial Use Only
perodic puzzle
Across:1. | arrangement of elements showing a repeating pattern | 4. | an electron in the outer shell of an atom | 8. | particle in the nucleus that has no charge | 9. | a substance that cannot be separated into simpler substances |
| 10. | the center of an atom; made up of protons and neutrons | 12. | an artifact that has been created by someone or some process | 14. | the smallest particle that has the properties of an element | 15. | a process in which chemicals are changed into others |
| | Down:2. | property of an atom that causes it to have weight | 3. | an element particle of negative charge | 5. | one or two letter abbreviation for an element | 6. | a whole formed by a union of two or more elements or substances |
| 7. | a chemical substance present in the start of a process | 11. | number of protons in the nucleus of an atom | 13. | the simplest structural unit of an element or compound |
| |
© 2016
PuzzleFast.com, Noncommercial Use Only