Answer:
Since there are 3 Hydrogen atoms present, the formula mass of H is 1.0 × 3 = 3.0 g/mol. Therefore, by adding them up, the formula mass of ammonia is: [14.0 g/mol + 3.0 g/mol] = 17.0 g/mol.
Answer:
Electronegativity decrease in group from top to bottom
Explanation:
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The particles of light known as photon.
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That when water is boiled in a open beaker and it disappears that it evaporates into the air