Answer:
A)Al
Explanation:
Both metals have a tendency to form covalent bonds with molecules
they both form chlorine bridged structures in vapour phase
both are resistant to action of acid due to the formation of protective film of oxides on their surface
Answer:
The required mass is 22.04 g
Explanation:
We know,
Atomic mass of Co= 58g.
Now,
1 mole Co = 58 g
∴ 0.38 mole Co= (58 X 0.38) g
= 22.04 g
So, the required mass is 22.04 g
The easiest would be Pb-206 because it's stable
Water and carbon dioxide into food.
Answer:
a. Help accomplish a job
Explanation:
Energy is defined as the ability to do work. It is the ability to get a job done.
Where energy is deficient, no job or work can be done.
- In a water behind a dam, potential energy is stored.
- Potential energy is due to the position of a body.
- A moving car has kinetic energy which the energy due the motion of a body.
- Electrical energy is used to carry the currents in a circuit round about.