Atoms and Elements

What is the most basic building block of all matter?

• cells

• atoms

• bacteria

• molecules

Tags

NGSS.MS-PS1-1

How many parts does an atom have?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What subatomic particles make up the nucleus of an atom?

• electrons and positrons

• cells and bacteria

• just quarks

• protons and neutrons

Tags

NGSS.MS-PS1-1

Atoms can combine to form

• protons

• electrons

• molecules

• neutrons

Tags

NGSS.MS-PS1-1

Subatomic particles with positive electrical charge are called

• protons

• neutrons

• electrons

• molecules

Atoms are the smallest unit of

• protons

• neutrons

• electrons

• matter

Tags

NGSS.MS-PS1-1

A subatomic particle with no electrical charge is a

• proton

• neutron

• electron

• molecule

What type of electrical charge does the nucleus of an atom have

• positive

• negative

• none

• both

What kind of electrical charge does an electron have?

• none

• positive

• negative

• both

Where would we find electrons in an atom?

• in the nucleus

• there are no electrons in the atom

• in protons

• circling around the nucleus

Tags

NGSS.MS-PS1-1