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20 questions
Subatomic particles with a negative charge
Electrons
Neutrons
Protons
Quarks
The smallest particle of an element.
Element
Molecule
Atom
These are found in the nucleus and have a neutral charge.
proton
electron
neutron
The number 16 for the atomic element sulfur is the
ionic number
isotope
atomic mass
atomic number
How many protons does sulfur have?
32
16
48
12
How many electrons does sulfur have
16
32
48
12
In an atom, the number of protons is equal to the number of ____________.
energy levels
neutrons
neurons
electrons
How many neutrons does a Hydrogen atom have?
1
2
3
0
How many electrons does an Iodine atom have?
53
126
73
179
How many neutrons does an Oxygen atom have?
8
16
24
7.999
How many electrons does a Copper atom have?
63
29
92
34
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