Find the atomic number (Z) for each element.
(a) Si
(b) W
(c) Ni
(d) Rn
(e) Sr
Problem 42P
Find the atomic number (Z) for each element.
(a) Si
(b) W
(c) Ni
(d) Rn
(e) Sr
Solution:
Step 1
Atomic number :- Atomic number of an atom is defined as the number of protons in the nucleus of an atom, which is characteristic of a chemical element and determines its place in the periodic table.
The atomic number of (a) Si is 14
The atomic number of (b) W is 74
The atomic number of (c) Ni is 28
The atomic number of (d) Rn is 86
The atomic number of (e) Sr is 38