Question

The atomic numbers of six element
A = 9
B = 19
C= 18
D = 13
E = 12
F = 16
Which atom form an ion having 1 unit positive charge?
a) Element A
6) Element B
c) Element C
d) Element D​

Answer 1

Explanation:

The sodium ion still has 11 protons (11 positive charges) but now only 10 electrons (10 negative charges). The sodium ion has an extra positive charge, shown by the + sign. All group 1 metals will form a 1+ ion when they react with non-metals.