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14 questions
All matter is made of what?
energy
atoms
electrons
The positive particles of an atom are ___________.
electrons
protons
neutrons
The center of an atom where its neutrons and protons are is called the _____________.
nucleus
electron cloud
center
An atom with atomic number 6 would have how many protons?
6
12
3
Particles in an atom that are neutral and have no charge are
protons
electrons
neutrons
What is the atomic number for an element with three protons?
6
1
3
A particle that moves around the nucleus is called an _________.
Proton
Neutron
Electron
Quark
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