How many valence electrons are in the outermost energy level of each of the following elements? A. Helium B. Lithium C. Nitrogen
1 answer:
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The answer is option D "CO." Co also known as Cobalt is the 27th element on the periotic table. It was discovered in <span>1735, it's boiling point is 3200 k.</span>
Atomic mass: 58.9332
Protons: 27
Neutrons: 32
Electrons: 27
Hope this helps!
Atomic mass: 58.9332
Protons: 27
Neutrons: 32
Electrons: 27
Hope this helps!
Answer:
d = 50 kg/m³
Explanation:
density =
mass = 500 kg
volume = 10m³
= 50
d = 50 kg/m³