A.) Average acceleration = change in velocity/time = final velocity - initial velocity/time = 10-0/4 = 10/4 = 2.5m/s^2.
Answer:
Cl-
Explanation:
Neutral (Cl) have 7 electron, but Cl- have 8 electron due to gain of 1 electron
Answer:
A
Explanation:
energy stored in chemical bonds of molecules
1 mole ------------ 6.02x10²³ atoms
? moles ----------- 3.01x10²³ atoms
moles = ( 3.01x10²³ ) x 1 / 6.02x10²³
=> 0.5 moles Mg
