What is inside an atom?

The atomic number is the number of

• protons

• neutrons

• electrons

Tags

NGSS.MS-PS1-1

An electron has a .................. charge

• positive

• negative

Tags

NGSS.MS-PS1-1

NGSS.MS-PS2-3

Atomic mass =

• protons + electrons

• protons + neutrons

• electrons + neutrons

Tags

NGSS.MS-PS1-1

How do we know the name of an element

• count the protons

• count the electrons

• count the neutrons

............ are found inside the nucleus.

• electrons only

• neutrons only

• protons and neutrons

Tags

NGSS.MS-PS1-1

Protons are .......... charged.

• positively

• negatively

Which is part of an atom?

• matter

• element

• proton

• mass

Tags

NGSS.MS-PS1-1

Atomic number = number of ...........

• electrons

• neutrons

• protons

Tags

NGSS.MS-PS1-1

There are ....... different kids of atoms

• 120

• 116

• 118

Tags

NGSS.MS-PS1-1

This atom has ...............

• 8 neutrons

• 7 protons

• 14 protons

Tags

NGSS.MS-PS1-1