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C1 The Fundamental Ideas
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Atom : Smallest part of an element that can still be recognised as that element
Solid : A state of matter
Liquid : A state of matter
Gas : A state of matter
PeriodicTable : Arrangement of elements in order of their atomic numbers
Compound : Made when two or more elements are chemically bonded together
Elements : Made of only one type of atom
Nucleus : very small and dense central part of an atom
Electron : To be found in orbit around the nucleus of an atom
Proton : Tiny positive particle found inside the nucleus of an atom
Neutrons : Dense particle with no charge found in the nucleus of an atom
MassNumber : Number of protons plus the number of neutrons in the nucleus of an atom
AtomicNumber : Number of protons in the nucleus of an atom
Shell : The area in an atom where the electrons are found
Ionic : Type of bond with electrostatic forces between positively and negatively charged ions
Covalent : Type of bond where atoms share one or more pairs of electrons
Reactant : A substance we start with before a chemical reaction takes place
Product : A substance made as a result of a chemical reaction
Molecule : A group of atoms bonded together
C1 The Fundamental Ideas
Across:3. | A group of atoms bonded together | 5. | Made of only one type of atom | 6. | A state of matter | 9. | Number of protons in the nucleus of an atom | 11. | A state of matter | 13. | A substance made as a result of a chemical reaction | 15. | Tiny positive particle found inside the nucleus of an atom | 18. | A state of matter | 19. | A substance we start with before a chemical reaction takes place |
| | Down:1. | Type of bond where atoms share one or more pairs of electrons | 2. | Arrangement of elements in order of their atomic numbers | 4. | Dense particle with no charge found in the nucleus of an atom | 7. | The area in an atom where the electrons are found | 8. | Type of bond with electrostatic forces between positively and negatively charged ions | 10. | Number of protons plus the number of neutrons in the nucleus of an atom | 12. | Smallest part of an element that can still be recognised as that element | 14. | Made when two or more elements are chemically bonded together | 16. | very small and dense central part of an atom | 17. | To be found in orbit around the nucleus of an atom |
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© 2013
PuzzleFast.com, Noncommercial Use Only
C1 The Fundamental Ideas
Across:3. | A group of atoms bonded together | 5. | Made of only one type of atom | 6. | A state of matter | 9. | Number of protons in the nucleus of an atom | 11. | A state of matter | 13. | A substance made as a result of a chemical reaction | 15. | Tiny positive particle found inside the nucleus of an atom | 18. | A state of matter | 19. | A substance we start with before a chemical reaction takes place |
| | Down:1. | Type of bond where atoms share one or more pairs of electrons | 2. | Arrangement of elements in order of their atomic numbers | 4. | Dense particle with no charge found in the nucleus of an atom | 7. | The area in an atom where the electrons are found | 8. | Type of bond with electrostatic forces between positively and negatively charged ions | 10. | Number of protons plus the number of neutrons in the nucleus of an atom | 12. | Smallest part of an element that can still be recognised as that element | 14. | Made when two or more elements are chemically bonded together | 16. | very small and dense central part of an atom | 17. | To be found in orbit around the nucleus of an atom |
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© 2013
PuzzleFast.com, Noncommercial Use Only