Question

14. How many paired electrons are present in Bromine with an atomic number 35?
a. 31
b. 32
c. 33
d.34
15. In what period and group can we find Magnesium with an atomic number 12?
a. Period 1, Grp. 4
b. Period 3, Grp. 2
c. Period 4. Grp. 1
d. Period 6. Grp. 2​

Answer 1

Answer:

The bromine atom possesses 35 electrons. It contains 6 electrons in 2p orbital, 6. electrons in 3p orbital and 5 electron in 4p orbital.

group2 period 3

Answer 2

Explanation:

1)= 33.

2= Period 3, Grpm2.