Answer:
A)2 sodium atom and 1 oxygen atom
Answer: Option C.
The number of protons and neurons it's contain.
Explanation:
Mass number of an atom is also called atomic mass of an atom which is some what expressed in Dalton i.e 1/2. The mass number is the total number of protons and neutrons altogether called nucleons in an atomic nucleus.
<span>Skin tone of the baby should become pinker. The oxygen level of the baby should rise and be closer to normal. The pulse oximeter should have an improved reading and quit alarming.</span>
Th molecules in gas move around without pattern, they aren't stationary like in a solid or patterned like in a liquid.