The vertical columns may also be called "groups".
Answer:
Formula of water:H2O
Formula of potassium chloride:KCl
098.79
Explanation:
.-.
Answer: the momentum is 6 Kgm/s
M= 5 kg
V= 1.2 m/s
Momentum = MV = 5 x 1.2 = 6 Kgm/s