7th Grade Fall Semester Review

What are subatomic particles?

• protons, electrons, neutrons

• molecules and atoms

• electrons, protons, nucleus

• nucleus and electrons

Tags

NGSS.MS-PS1-1

What is the subatomic particle that has a positive charge?

• electron

• neutron

• proton

• megatron

What is the subatomic particle that has a negative charge?

• electron

• neutron

• proton

• megatron

What is the subatomic particle that has no charge?

• electron

• neutron

• proton

• megatron

What is the smallest particle of an ELEMENT, and it has also all the properties of it?

• molecules

• nucleus

• subatomic particle

• atoms

What is the small, DENSE REGION consisting of proton and neutrons at the CENTER of an atom?

• molecules

• nucleus

• subatomic particle

• atoms

True or False - Protons and neutrons have about the same mass.

• True - They have about the same mass

• False - They do not have about the same mass

Tags

NGSS.MS-PS1-1

Which two subatomic particles make up the nucleus of an atom?

• protons and electrons

• neutron and electrons

• electrons and protons

• protons and neutrons

Tags

NGSS.MS-PS1-1

Where are the ELECTRONS found in the structure of an atom?

• in the nucleus

• in spaces around the nucleus

Tags

NGSS.MS-PS1-1

How many protons does this atom have?

• 3

• 6

• 4

• 2

Tags

NGSS.MS-PS1-1