Fill in the blank with the most appropriate option | Chemistry Questions & Answers

A pure substance can only be

A) Compound	B) an element
C) an element or a compound	D) a heterogeneous mixture

Answer & Explanation Answer: C) an element or a compound

Explanation:

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17 10104

Who is the father of modern chemistry?

A) Priestley	B) Lavoisier
C) Dalton	D) Mendeleeff

Answer & Explanation Answer: B) Lavoisier

Explanation:

Antoine-Laurent de Lavoisier, a french chemist is considered as the "Father of Modern Chemistry."

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26 10796

A) an only-duplet	B) an only-octet
C) a duplet or octet	D) a heptate

Fill in the blank with the most appropriate option.

An element attains stability when it achieves ________ state.