1. A B The diagram that has the electron with the most energy
Li 1+
A B The diagram that has the electron with the most energy

2. The mass number of this element is ____.
TAKS REVIEW CIRCUIT #1-50

3. 11
An object has a mass of g and a volume of 25 ml. What is the density? (D = m/v) _______ g/ml

4. Which element contains 4 protons?
6.0 g/mL
Which element contains 4 protons?

5. Be
The atomic mass for Lithium is 7 and the atomic number is 3. How many neutrons does it have?

6. 4
A halogen in the third period.

7. The atomic radius gets _____ as you move from left to right.Cl
The atomic radius gets _____ as you move from left to right.

8. Smaller
An element that has similar physical and chemical properties with Mg located in the fourth period.

9. Ca
Protons and neutrons are _______ (larger or smaller) than electrons.

10. Is this atom stable or neutral?
Larger
Is this atom stable or neutral?

11. Stable
As you move across a period, electronegativity ____________.

12. Increases
Is this atom neutral or stable?

13. Neutral
Metals become more reactive as you move ___________ a group.

14. Down
Isotope notation for this atom.

15. Nonmetals become more reactive when you move _____ a group.

16. Isotope notation for the following atom.UP
Isotope notation for the following atom.

17. Lithium-6
The amount of neutrons found in the most common isotope of Carbon ____.

18. An atom with four energy levels and 7 valence electrons6
An atom with four energy levels and 7 valence electrons

19. An atom that has gained or lost electronsBr
An atom that has gained or lost electrons

20. Ion
An example of a cation

21. answers Li 1+ B 11 6.0 g/ml Be 4 Cl Smaller Ca Larger Stable Increases
Neutral
Down
11 5 B Up
Lithium-6 6 Br
Ion