Answer:
It is learning about chemical reactions. In chemistry you learn about the elements of the periodic table and how reactive they are.
Explanation:
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Atomic number = 18 (Number of protons)
Mass number = 18 + 20 (Number of protons + neutrons)
Explanation:
An ionic bond is formed by the complete transfer of some electrons from one atom to another. The atom losing one or more electrons becomes a cation—a positively charged ion. The atom gaining one or more electron becomes an anion—a negatively charged ion.
You have a. 3, b. 2, e. 6, f. 3, i. 1
500k value is equilibrium the answers is the value 250k