Physical Science Unit 6
Across
- 3. The average mass of all the isotopes of an element
- 5. A small particle in the nucleus of the atom, with no electrical charge
- 6. A positively charged ion
- 9. One of the Group B elements in which the highest occupied s sublevel and a nearby d sublevel generally contain electrons
- 10. A nonmetal in Group 7A of the periodic table
- 11. The basic unit of a chemical element.
- 12. Any metal in Group 1A of the periodic table
- 14. Sharing of electrons
- 16. An atom or group of atoms that has a positive or negative charge.
- 17. The sum of the number of neutrons and protons in an atomic nucleus
- 18. A row on the periodic table
- 20. Metal and metal
- 21. Positively charged particle
- 23. Atoms of the same element that have different numbers of neutrons
- 24. Negatively charged particle
- 25. A negatively charged ion
Down
- 1. A column on the periodic table
- 2. The attractive force that holds atoms or ions together
- 4. A combination of chemical symbols and numbers to represent a substance
- 7. Electrons on the outermost energy level of an atom
- 8. The number of protons in the nucleus of an atom
- 11. Any metal in Group 2A of the periodic table
- 13. Positive or negative number that indicates how many electrons an atom has gained, lost, or shared to become stable
- 15. Ions that are made of more than one atom
- 19. Transfer of electrons
- 22. The elements in Group 8A of the periodic table