Trends Solutions

1.

a. Mg

b. Na

c. K

d. Ca⁺¹ ( wants to be Ca⁺²)

e. Rb

f. Br

g. Rb

h. Cl

i. Mg

j. Mg

2. Fr

3. At

4. F

5. a. K

b. Br

c. Ba

d. Li

e. Fr

f. Hf

6. A

7. only A is TRUE

8. C

9. Within a group(family) size increases with atomic number(you're adding more shells)

Within a period size decreases from left to right.(more protons to pull in the saem number of shells)

10. atomic radius decreases and ionization energy increases.

11. No. See Co and Ni; Te and I and there are three more exceptions in the last period.