The nucleus of an atom contains

• protons and electrons

• protons and neutrons

• electrons and neutrons

• protons, electrons, and neutrons

Tags

NGSS.MS-PS1-1

Typically in an atom, which two subatomic particles are equal in number?

• protons and neutrons

• all subatomic particles are equal in number

• neutrons and electrons

• protons and electrons

Tags

NGSS.MS-PS1-1

Neutral particles (those that have no charge) are

• negatrons

• electrons

• neutrons

• protons

In a neutral atom, the atomic number is equal to _.

• the number of protons

• the number of neutrons

• the number of electrons

Which TWO of these are true about electrons?

• they are found in the electron cloud

• their mass is nearly zero

• they have a positive charge

Tags

NGSS.MS-PS1-1

Which subatomic particle has a positive charge?

• proton

• neutron

• electron

• midichlorian

Tags

NGSS.MS-PS1-1

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

• cybertron

Tags

NGSS.MS-PS1-1

What is the center of an atom called?

• The headquarters

• The centrometer

• The hypothesis

• The nucleus

Tags

NGSS.MS-PS1-1

Which part of an atom contains these red (+) circles and these green (0) circles?

• proton

• neutron

• electron

• nucleus

Tags

NGSS.MS-PS1-1

Which subatomic particle does the YELLOW (-) circle represent?

• proton

• neutron

• electron

• nucleus