Atoms & Isotopes

Which of the following is a subatomic particle with no charge that is found in the nucleus of an atom?

• Electron
• Proton
• Neutron
• Quark

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

Where are electrons of an atom found?

• Nucleus
• Electron Cloud
• Some are in the nucleus and some in the electron cloud.
• They are moving everywhere.

An atom has an atomic number of 30 and a mass number of 65. How many neutrons are in the atom?

• 30
• 65
• 35
• 95

Which of the following has all of the subatomic particles that make up an atom?

• Protons, Nucleus, Electrons
• Neutrons, Nucleus, Protons
• Electrons, Quarks, Protons
• Electrons, Protons, Neutrons

_{What is in the nucleus of an atom?}

• Neutrons and protons 
• Protons
• Protons and Electrons
• Electrons and Nuetrons

Atoms of the same element that have different numbers of neutron.

• Nucleus
• Atom
• Ion
• Isotope

The number of protons in an atom of an element.

• Atomic Number
• Proton
• Ion
• Electron Cloud

What is the Atomic mass?

• Atomic Mass = A
• Atomic Mass = B
• Atomic Mass = C
• Atomic Mass = D

Which of the following is a positively charged subatomic particle found in the nucleus of an atom?

• Electron
• Proton
• Neutron
• Quark