challenggirl
01.08.2019 •
Chemistry
If an atom has one valence electron, how will it form ions? lose 2 electrons. lose 1 electron. it won’t gain nor lose electrons. gain 1 electron. gain 2 electrons.
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Ответ:
It will give it to an atom with more electrons. For example, Lithium (which has 1 valence electron) would give it to an atom that has more than 4 valence electrons
Ответ:
B.) A hydrocarbon reacts with oxygen.
Explanation:
A combustion reaction is one in which hydrocarbons containing carbon and hydrogen react together and result in the formation of carbon dioxide and water along with production of large amount of energy.
a) Thus oxygen is a reactant as it is on the left side of the arrow.
c) Water and carbon dioxide are formed as products.
d) There are no ions involved.