All are gases so no visible reaction persay, unless in closed quarters and then massive pressure.
Answer:
B) The group the atom is located
C) There needs to be 2 Na atoms and 1O atom to form Na2O
Answer:
The average atomic mass of an element is the sum of the masses of its isotopes, each multiplied by its natural abundance
Explanation:
To determine the average atomic mass, we require abundance of every isotope in the nature.
Average atomic mass is defined as the sum of masses of each isotope each multiplied by their natural fractional abundance.
Answer:
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