Answer:
In first shell only 2 electrons are present in hydrogen only one electron is present in valence shell. To complete its duplet hydrogen can share lose or gain only one electron to form chemical bond.
Hydrogen can form only one bond.
Explanation:
The atomic number of an atom is determined by the number of protons it has..
It is also the whole number shown on the periodic table
<span>B. Osmosis is movement of proteins, and diffusion is movement of water.
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Answer:
Mass is the amount of matter in an object.
Weight is how much an object weighs.
Hope this helps!
