Verified Answer :

Answer:

atom

Explanation:

(A) molecule is the a group of atoms which are bonded together,

(B) proton it is a particle that comprise an atom

(C) electron it is a particle that comprise an atom

(D) atom is the smallest part of an element that can still be identified



Hence the correct answer is D. The smallest part of an element that can still be identified as that element is an atom.  

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Answer:

(D) atom

Explanation:

 

The atom is the smallest unit of matter that has the properties of a chemical element.

The atom is composed of protons, electrons, and neutrons, they are subatomic particles.

Each chemical element has an atom that identifies it, but all atoms are composed of subatomic particles, this means that all atoms have electrons, neutrons, and protons.

Depending on the number of subatomic particles that we have is what gives the properties to each atom.

A set of two or more atoms, of one or more elements, form a molecule

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