Atoms

Which particle in an atom has a positive charge?

• Protons

• Neutrons

• Electrons

Which particle in an atom has a negative charge?

• Proton

• Neutron

• Electron

Which particle in an atom has no charge?

• Proton

• Neutron

• Electron

Which particles are found inside the nucleus?

• Proton

• Neutron

• Electron

Tags

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The atomic number is equal to the number of:

• Protons

• Neutrons

• Electrons

Carbon-12 and Carbon-14 are both isotopes of carbon, meaning they have a different number of:

• Protons

• Neutrons

• Electrons

An atom with a positive or negative charge is called a:

• Proton

• Isotope

• Ion

• Element

How many protons are in sodium (Na)?

• 22

• 11

• 1

• 10

In a neutral (no charge) atom, the number of electrons equals:

• The number of neutrons

• The number of protons

• The total mass of the atom

Electrons are found where in the atom?

• In the nucleus

• In orbit around the atom