The Atom

How many protons are in Boron (B) ?

• 3
• 5
• 10
• 11

Tags

NGSS.MS-PS1-1

How many protons are in Zirconium (Zr) ?

• 40
• 91
• 30
• 65

Tags

NGSS.MS-PS1-1

Which element has 73 protons ?

• Titanium
• Tantulum
• Thallium
• Thorium

Which of the following is the smallest in size?

• K
• Na
• Li
• Cs

Sodium has an atomic number of 11, how many protons does this atom have?

• 22
• 11
• 12
• 2

Tags

NGSS.MS-PS1-1

The subatomic particle with the least mass is the

• proton

• neutron

• electron

Where is the proton located?

• In the very dense nucleus
• Floating around in the negative electron cloud
• the loose nucleus
• the positive electron cloud

Tags

NGSS.MS-PS1-1

The following element key shows how many protons?

• 16
• 15.999
• Oxygen
• 8

Tags

NGSS.MS-PS1-1

Which subatomic particle causes the nucleus to have a positive charge?

• Neutron
• Electrons
• Protons
• Valence electrons

Tags

NGSS.HS-PS1-8

Which subatomic particle along with the protons make up the total mass of an atom.

• Neutron
• Electrons
• Valence electrons
• protons make up all the mass

Tags

NGSS.HS-PS1-7