Physical Science 2nd Quarter Final

What type of charge does a proton have?

• negative

• postive

• no charge/neutral

What type of charge does an electron have?

• positive

• no charge/neutral

• negative

What is the center of the atom called?

• nucleus

• electron cloud

• energy level

• neutron

What two sub-atomic particles belong in the nucleus of an atom?

• electrons and protons

• protons and neutrons

• electrons and neutrons

How do you find the atomic number?

• by the number of electrons

• by the number of protons

• by the number of neutrons

The number of neutrons in an atom =

• protons - neutrons

• mass number - protons

• protons - neutrons

• mass number - electrons

What type of charge does a neutron have?

• negative

• positive

• no charge/neutral

Where are electrons located in an element?

• nucleus

• energy levels

What is the atomic number of this Carbon atom

• 6

• 8

• 14

• 12

What is the mass number of this Carbon atom?

• 8

• 12

• 6

• 15