An atom has eight protons. what would need to happen for the atom to have an overall charge of 2

Explanation:

It is known that when an atom is neutral in nature then it holds same number of protons and electrons.

For example, an atom that has eight protons will be having eight electrons.

So, in order to complete its octet this atom needs two more electrons. Hence, it will readily accept two electrons from an electron rich atom.

Therefore, by gaining two electrons it will acquire a charge of -2.

Therefore, we can conclude that if an atom has eight protons. Then gain of two electrons would need to happen for the atom to have an overall charge of 2.

(newtons first law)

conservation of momentum law states :

momentum before collision = momentum after collision

momentum p (kg-m/s)= mass * velocity

say moving car=1 000 kg, velocity = 10 m/s then p = 1 000*10= 10 000 kg-m/s

say still car = 2 000 kg, velocity = 0 m/s then p = 2 000* 0 = 0 kg-m/s

total momentum prior to collision = 10 000 + 0 = 10 000 kg-m/s

momentum after collision = 10 000 kg-m/s

mass now = 1 000 kg+2 000 kg = 3 000 kg

10 000 = 3 000 kg* velocity m/s

10 000/3 000 = velocity

3.33 m/s = velocity after collision

an impulse is a force applied over time , momentum is exclusive of external forces and a perfect collision is implied