Elements and the Periodic Table-Chpt.3

22. How many electrons are in the 4th energy level?

20. How many energy levels are there in total?

4. Which of the following is NOT a characteristic of most metals?

2. From an element's location on the periodic table, you can predict

19. How many electrons in an atom of Iodine (I)?

17. What is the atomic mass of Gold?

12. Negatively charged particles in an atom are called ELECTRONS.

3. In general, which of the following statements about metals is true?

16. How many protons in an atom of Radon?

8. The second energy level of an atom can hold ________ electrons.

5. The number of neutrons for the element Argon (Ar) is

21. How many electrons are shown on this Bohr model?

23. Which Bohr model for Neon is correct?

11. The horizontal rows in the periodic table are know as GROUPS.

18. How many neutrons in an atom of Bohrium (Bh)?

7. A column of elements on the periodic table is called a _______.

13. The last energy level of any atom is called the SEA shell.

14. Negatively charged particles in an atom are called ELECTRONS.

10. Protons are found in the _______ and have a ________ charge.

15. An elements atomic mass tells the number of PROTONS in its nucleus.

6. Each element is given a specific _____ that usually consists of one or two letters.

9. A particle found in the nucleus with no charge is the ________.

1. The atomic number on an element is based on the