Unit 2 Review- Atomic Structure

Which of the following is NOT a subatomic particle?

• Proton
• Neutron
• Photon
• Electron

Which subatomic particle has a positive charge?

• Proton
• Neutron
• Electron

Which subatomic particle has a negative charge?

• Proton
• Neutron
• Electron

Which subatomic particles are NOT located in the nucleus?

• Protons
• Neutrons
• Electrons

The atomic number of an element is the same as the number of ________ in the nucleus.

• Protons
• Neutrons
• Protons + Neutrons
• Electrons

Atoms of the same element with different numbers of neutrons are called

• Ions
• Isotopes
• Iotas
• Introns

Tags

NGSS.HS-PS1-8

The mass number of an isotope is equal to the number of ______ in an atom.

• Protons
• Neutrons
• Protons + Neutrons
•  Electrons

To calculate average atomic mass, you need

• the atomic mass of each isotope

• the percent abundance of each isotope

• the atomic mass and percent abundance of each isotope

• to find the average of the atomic masses of each isotope

Which subatomic particle determines the identity of an element?

• protons

• neutrons

• electrons

Which subatomic particle determines the charge of an atom?

• protons

• neutrons

• electrons