Hydrogen has no other electron hence there is no screening of the valence electron by inner electrons. It is the lightest known element with a relative molecular mass of 2. Screening effect refers to the fact that inner or core electrons prevent the outermost electron from feeling the attractive force of the nucleus.

6 0

2 years ago

Liquid hexane e (CH 3 (CH 2 ) 4 CH 3 ) will react with gaseous oxygen (O 2 ) to produce gaseous carbon dioxide (CO 2 ) and gaseo

soldi70 [24.7K]

Answer:

Explanation:

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7 0

2 years ago

What happens to water during evaporation?

kotegsom [21]

D would be your best bet because evaporation occurs when water is heated, it then vibrates and then magic!