Question

A Monovalent Anion has 10 electrons and 10 Neutrons. The atomic number and mass number of the element are respectively,
A. 10,20
B. 11,20
C. 9,18
D. 9,19

PLZ. ANSWER RIGHTLY!!!

Answer 1

Explanation:

A Monovalent Anion has 10 electrons and 10 Neutrons. The atomic number and mass number of the element are respectively,

A. 10,20

B. 11,20✓✓✓

C. 9,18

Answer 2

Explanation:

A Monovalent Anion has 10 electrons and 10 Neutrons. The atomic number and mass number of the element are respectively,

A. 10,20

B. 11,20✔️✔️

C. 9,18

D. 9,19