Question

b. The atomic number and mass number of atoms of four elements are gi
Element
Atomic number Mass number
A
1
1
B
14
28
С
10
20
D
12
24
based on this name the following
i. A metal.
ii. An inert gas
iii. A metalloid
iv. The element contains isotopes
Democnot​

Answer 1

Answer:

I) Metal- D(12, 24)

ii) An inert gas- C(10, 20)

iii) A metalloid- B(14, 28)

iv) Element with isotopes- A(1, 1)