Across
- 2. Has given up electron(s) and its positively charged
- 3. Has more than 1 ion
- 6. Amount of matter in a given volume (mass/volume)
- 7. matter or material of which things can be made
- 8. The number of protons + number of neutrons
- 9. The part of atom that is positively charged
- 10. Electrons that are in the outermost shell of the atom
- 14. Part of atom that is negatively charged
- 15. Forms of the same element that has equal numbers of protons but different numbers of neutrons
- 16. Everything that has mass and volume
- 17. Number of protons in a nucleus of an atom
- 20. The positively charged central core of an atom
- 21. Pure substance made of only one kind of atom
Down
- 1. Pure substances made of more than one kind of atom chemically bonded
- 3. Contains only one kind of matter
- 4. bond A bond in which one atom loses an electron and the other atom gains an electron
- 5. Atom that has gained or lost one or more electrons
- 11. Has gained electron(s) and its negatively charged
- 12. Two or more atoms share valence electrons
- 13. is the study of matter
- 18. Combination of more than one pure substance
- 19. Part of atom that is electrically charged