Question

15. Energy released when an electron is added to an atom in the gaseous state is called ......
a) Electropositivity b) Ionization potential c) Electron affinity d) Electronegativity
16. The tendency of an elements to pull the electron towards itself is known as ......
a) Electropositivity b) Ionization potential c) Electron affinity d) Electronegativity
17. The tendency of an elements to donate the electrons easily is known as ......
a) Electropositivity b) Ionization potential c) Electron affinity d) Electronegativity
18. correct electronic distribution in Mg atom is
(a) 3,8,1 (b) 2,8,2 (c) 1,8,3 (d) 8, 2, 2
19. Correct electronic configuration of Na atom is
(a) 3,8,1 (b) 2,8,1 (e) 1,8,3 (d) 8,2,2
20. An element has
a. Atomic number = number of protons + number of electrons
b. Mass number = number of protons + number of neutrons
c. Atomic mass = number of protons = number of neutrons
d. Atomic number = number of protons = number of electrons
(a) (I) and (ii) (b) (i) and (iii) (c) (ii) and (ii) (d) (ii) and (IV)​

Answer 1

Explanation:

15 . b

1617.a

18.b

19..b

20.d

.

.

.

.

. Hope it helps you...and please mark it as brainliest..

Answer 2

Answer:

d..electronegativity