Answer:
Our Sun. Corona – The outer layer of sun's atmosphere. Sunspot – A dark area of gas on the sun's surface that is cooler than surrounding gases. Prominence – A huge, reddish loop of gas that protrudes from the sun's surface, linking part of sunspot regions.
Answer:
I think it's A
Explanation:
I'm sorry if it's not correct. I'm tryna get enough points to ask my question
Answer is ₂₀⁴²Ca.<span>
In AZX notation
A<span> - Represents the </span>mass number of atom.
Mass number = number of
protons + number of neutrons.
<span> It is shown at
the </span>above of the left side<span> of the
atom.</span>
<span> Here it is </span>42.
<span> </span>Z - Represents the atomic number.<span>
Atomic number = number of protons.
</span><span>It is shown at the</span> bottom line of the left side of the atom.<span>
</span>Here it is 20.<span>
X - </span>Represents the symbol of the atom.<span>
<span> </span></span>Here</span> X is Ca.<span>
</span>
