Question

The atomic number and mass number of a certain element Z is 11 and 23

respectively. What is

a. The number of electrons (1x8 +2 = 10)

b. The number of neutrons

c. Number of shells it has and name of the shells

d. Electrons in the valence shell

e. Valency

f. Electronic configuration

g. Is it a metal or a non metal?

h. Name of the element

i. Molecular formula when it reacts with chlorine.​

Answer 1

Answer:

a = 11

b = 12

c = 3

d = 1

e = 1

f = 2,8,1

g = metal

h = sodium

I = NaCl

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