Atoms Question Preview (ID: 58058)
Structure Of An Atom.
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What is an atom?
a) smallest particle of a chemical element
b) protons
c) electrons
d) supplies most of the energy
What are the 3 subatomic particles of an atom?
a) directs cell's activities
b) nucleolus, ribosomes, neutron
c) proton, neutron, electron
d) electricity, neutrons, protons
The nucleus of an atom is made of _________.
a) neutrons and proteins
b) protons and electrons
c) electrons and proteins
d) neutrons and protons
Protons have a ____________ electrical charge
a) positive
b) negative
c) neutral
d) no charge
Electrons have a _______ electrical charge.
a) positive
b) negative
c) neutral
d) no charge
Neutrons have a ________electrical charge.
a) positive
b) negative
c) neutral
d) two charges
Two atoms of the same element are the _________.
a) happy
b) proteins
c) different
d) same
Which of the following is the smallest?
a) proton
b) neutron
c) electron
d) atom
Almost the entire mass of an atom is located in the ____.
a) proton
b) nucleus
c) neutron
d) electron
You can see an atom with ________.
a) your eyes
b) a magnifier
c) a telescope
d) a microscope
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