Number of Protons Neutrons

Which two subatomic particles are found in the NUCLEUS of at atom?

• protons & nuetrons
• protons & electrons
• neutrons & electrons
• electrons & protons

What type of subatomic particles are found in the cloud?

• neutrons
• electrons
• protons
• reactions

Which type of subatomic particles have the LEAST amount of mass?

• protons
• electrons
• neutrons
• nucleus

What gives an atom mass?

• Protons & electrons in the nucleus
• electrons in the cloud
• protons & neutrons in the nucleus
• Protons & electrons in the cloud

How are elements distinguished from one another?

• The number of valence electrons
• The number of neutrons
• The number of protons
• How they react with other elements

The number of protons is equal to 

• the atomic number
• the number of neutrons
• the energy levels
• the periodic table groups

How many neutrons does Na have?

• 11
• 23
• 22
• 12

Tags

NGSS.MS-PS1-1

How many protons does this element have?

• 40
• 21
• 20
• 41

Tags

NGSS.MS-PS1-1

What determines an elements identity?

• electrons
• periodic table
• protons
• mass

The subatomic particle with a neutral charge is:

• protons
• electrons
• neutrons
• cloud