Atoms Question Preview (ID: 45899)
Atoms.
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What two parts are found in the nucleus?
a) protons and neutrons
b) neutrons and electrons
c) electrons and protons
d) atomic mass
What part of an atom has a positive charge?
a) electron
b) neutron
c) proton
d) electron cloud
If an atom has an atomic number of 17 and an atomic mass of 35, how many protons does it have?
a) 35
b) 18
c) 2
d) 17
An element has 5 protons and 6 neutrons. What is its atomic number?
a) 6
b) 5
c) 11
d) 1
What is the charge of an electron?
a) negative
b) positive
c) neutral
d) nucleus
Lithium has an atomic number of 3 and an atomic mass of 7. How many neutrons does it have?
a) 7
b) 4
c) 3
d) 10
What is the chemical symbol for neon?
a) Ne
b) N
c) Nn
d) No
The number of protons is equal to the ...
a) atomic mass
b) number of neutrons
c) atomic mass plus atomic number
d) number of electrons
The center of the atom is called ..
a) nucleus
b) electron cloud
c) neutron
d) shells
What part of the atom moves around the outside of the nucleus?
a) proton
b) electron
c) neutron
d)
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