Answer:
The nucleus of an atom consists of Protons and Neutrons.-A.
Answer: nn
Explanation:
The nanometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (US spelling) is a unit of length in the metric system, equal to one billionth (short scale) of a metre (0.000000001 m).
Answer:
1)
Explanation:
the answer to you question Is 1)
CBr4 is a symmetric tetrahedral molecule so it will be non-polar.