Question

Number of

Protons
Number of
Neutrons
Atomic
Number
Mass
Number
Element
(symbol)
А
7
B.
15
с
D
E
26
56
F.
Using the periodic table, complete the table to describe each atom. Type in your answers.
A
B
с
N
D

Answer 1

Proton no is26
For neutron, the formula is given by A=Z+N
56=26+N
56-25=N
Neutron is 31