Answered

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Question 21 of 25Which of the following are correct statements?Check all that apply.O A. Atoms are the basic units of matter.B. The number of neutrons an atom has defines what kind ofelement it is.I c. The atomic number is the number of electrons an atom has.I D. The number of protons in an atom's nucleus defines what kind ofatom it is.

Question 21 Of 25Which Of The Following Are Correct StatementsCheck All That ApplyO A Atoms Are The Basic Units Of MatterB The Number Of Neutrons An Atom Has De class=

Sagot :

Answers

A and B

Explanation

A is correct, the basic unit of all matter is the atom.

B is correct, the number of protons and the number of neutrons determine an element's mass number.

C is NOT correct, the number of protons in an atom can be called the atomic number. As already said, each atoms in elements has a different number of protons, therefore C is not correct.

D is NOT correct

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