2. Which type of solution below has a cloudy appearance? (Choose all that apply)

A) Alloys

B) Solutions

C) Colloids

D) Suspensions

4. What is the difference between a primitive and body centered unit cell?

b and In a primitive unit cell, particles or points are present only at the corners while in a centred unit cell, the particles or points are also present at other positions in addition to the corner

Explanation:

11 players on a field that has a maximum of 11 players

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8