Answer:
they must have same atomic number and different atomic mass
Answer:
325
Explanation:
velocity = 3250 Hz x 0.1 m
The correct answer is b, 18 protons
Oxygen has 8 electrons. On the outer ring, it has 6 valance electrons. It need 2 more valance electrons to be stable.
At room temperature hydrogen chloride is a colorless gas with a sharp or pungent odor. Under pressure or at temperatures below –85°C (-121°F), it is a clear liquid.