Answer:
13 is the answer for both
Explanation:
The atomic number is also the atoms count of protons and electrons when the element is of a neutral charge.
Covalent Bonds: A Hydrogen Example. A covalent bond is a chemical bond that comes from the sharing of one or more electron pairs between two atoms. Hydrogen is an example of an extremely simple covalent compound. A hydrogen example.
It requires energy when a substance must travel against a concentration gradient through the membrane
Answer:
OPTION C
AS IN REACTANT SIDE THETE ARE 4 H AND 2 O
AND IT GETS BALANCED UP BY MULTIPLYING IT BY 2..
