Answer:

Explanation:
The Law of Conservation of Mass states that mass cannot be created or destroyed.
In a chemical reaction, there are products and reactants. The reactants <em>react</em> and <em>produce</em> the products.
Since mass can't be created or destroyed, the mass of the products must be equal to the mass of the reactants if mass was conserved in a chemical reactions.
Answer:
b-acting as a standard unit of measure
Explanation:
This force is opposing in nature .it resists object velocity .
Answer:
Ca has the greater Ionization Energy because the Trend is I/e decreases as you move down a group. Therefore, Ca has the greater I/e
Explanation: