Module 4 Properties of Atoms and the Periodic Table PS

Protons have a ________________ charge.

• positive

• negative

• neutral

• nuclear

Electrons have a ________________ charge.

• positive

• negative

• neutral

• nuclear

Tags

NGSS.MS-PS2-3

Neutrons have a ________________ charge.

• positive

• negative

• neutral

• nuclear

A/an ____________ is the smallest part of an element that still has the element's properties.

• atom

• molecule

• compound

• mixture

Tags

NGSS.MS-PS1-1

The center of the atom is made up of a positive dense core called the

• proton

• neutron

• electron cloud

• nucleus

What particles are found in the nucleus? (Select all that apply.)

• protons

• electrons

• neutrons

• nuclei

• electron clouds

The 1st energy can hold a maximum of _____ electrons.

• 2

• 8

• 18

• 32

The 2nd energy can hold a maximum of _____ electrons.

• 2

• 8

• 18

• 32

The 3rd energy can hold a maximum of _____ electrons.

• 2

• 8

• 18

• 32

The atomic number is equal to the number of

• protons

• neutrons

• protons + neutron

• electrons + neutrons