Everyday Chem II Final #1

This subatomic particle has a positive charge.

• Proton

• Neutron

• Electron

• Nucleus

This subatomic particle has a negative charge.

• Proton

• Neutron

• Electron

• Nucleus

This subatomic particle has a neutral charge.

• Proton

• Neutron

• Electron

• Nucleus

Which two subatomic particles are found in the nucleus of an atom?

• Protons and Electrons

• Electrons and Neutrons

• Protons and Neutrons

Where are the electrons of an atom located?

• In the nucleus

• In the protons

• In the orbital shells

• They are not located in an atom.

The atomic number is the same as the number of

• protons.

• neutrons.

• electrons.

• protons and neutrons.

To determine the mass number, you must add the ________

• protons and neutrons.

• protons and electrons.

• electrons and protons.

• You don't add, you subtract.

The valence electrons are found in

• the 1st orbital shell.

• the nucleus.

• the outermost orbital shell.

Identify if the following element is in the ground or excited state: Chlorine (Cl) 2-7-8.

• Ground

• Excited

Identify if the following element is in the ground or excited state: Calcium (Ca) 2-8-8-2.

• Ground

• Excited

Tags

NGSS.HS-PS1-1