Which statement about valence electrons is true?
A) they are located in the outer energy level of an atom
B) they are potentially involved in chemical reactions
C) they determine whether an element can conduct electricity
D) all of the above
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Ответ:
They are the outer shell of an atom, So the most logical would be A.
Explanation:
According to a search i made a while ago about valence electrons, valence electron is an outer shell electron that is associated with an atom.
Ответ:
Natural gas is a mixture of gases which are rich in hydrocarbons. All these gases are naturally found in atmosphere. Natural gas reserves are deep inside the earth near other solid and liquid hydrocarbons beds like coal and crude oil.Natural gas is the lowest-carbon hydrocarbon, odourless, colourless and non-toxic. It provides warmth for cooking and heating, and it fuels power stations that provide electricity to homes and businesses. Natural gas is a non-renewable hydrocarbon used as a source of energy for heating, cooking, and electricity generation. It is also used as a fuel for vehicles and as a chemical feedstock in the manufacture of plastics and other commercially important organic chemicals.
Explanation: