Subatomic Particles

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

The middle region of an atom where its neutrons and protons are is its

• nucleus

• electron cloud

• core

• center

An atom with atomic number 6 would have how many protons

• 6

• 12

• 3

• cannot be determined

Particles in an atom that are neutral and have no charge are

• negatrons

• electrons

• neutrons

• protons

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

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.HS-PS1-8

The atomic number of an elements is the total number of which particles in the nucleus?

• neutrons
• protons
• electrons
• protons and electrons