Course

Human Biology

Study Pack

Set 2 Chemistry Of Life

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Question 1

(Multiple Choice)

Free
Which subatomic particle has a positive charge?

A) electron
B) neutron
C) photon
D) neutrino
E) proton

Answer

Question 2

(Multiple Choice)

Free
An element's mass number is equal to the sum of its

A) protons and electrons.
B) protons and neutrons.
C) electrons and neutrons.
D) protons only.
E) electrons only.

Answer

Question 3

(Multiple Choice)

Free
The nucleus of an atom contains

A) neutrons and protons.
B) neutrons and electrons.
C) protons and electrons.
D) protons only.
E) neutrons only.

Answer