1) An atom consists of A. Electrons in a nucleus orbited by protons B. Negativel

Question

1) An atom consists of A. Electrons in a nucleus orbited by protons B. Negatively charged protons in a nucleus orbited by positively charged electrons C. Positively charged protons in a nucleus orbited by negatively charged neutrons D. None of the above.

2) An atom consists of A. Electrons in a nucleus orbited by protons B. Negatively charged protons in a nucleus orbited by positively charged electrons C. Positively charged protons in a nucleus or

3)________ occurs when an electron in an atom jumps from a lower energy orbital to a higher energy orbital. A. Ionization B. Acceleration C. Excitation D. A ground stage

bited by negatively charged neutrons D. None of the above

3)

Explanation / Answer

In an atom, the nucleus contain the positively charged protons and the neutral neutrons orbited by the negatively charged electrons.

1) D - None of the above

2) C - positively charged protons are in Nucleus

3) C - Excitation.

if the electron leaves the atom completely then it is called ionization.

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