8R Final Review - Physical Science

What is the number of protons in an atom of Nitrogen ?

• 14

• 7

• 15

• 18

What is all matter made of ?

• energy

• atoms

• electrons

• compounds

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

What do we call the the center of the atom where neutrons and protons are ?

• nucleus

• electron cloud

• core

• center

An atoms overall charge is 

• positive 
• depends on its mood 
• neutral 
• negative 

Tags

NGSS.MS-PS2-3

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

Tags

NGSS.MS-PS1-1

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

Which of the following is a subatomic particle with no charge that is found in the nucleus of an atom?

• Electron
• Proton
• Neutron
• Quark

Tags

NGSS.MS-PS1-1

Where are electrons of an atom found?

• Nucleus

• Orbiting the nucleus in the Electron Cloud

• Some are in the nucleus and some in the electron cloud.

• They are moving everywhere.

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1