250 mL
200
150
100
50
Using a graduated cylinder, fill a 250 na beaker with 200 mL of water.
Particle size:
Reaction time:
seconds DONE
Intro
Particle size and reaction time?

h let me think about that

14,16 18 reacts with group

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