Atoms, Elements and the Periodic Table Practice Test

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

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• Electrons 
• Positrons 
• Neutrons 
• Protons 

The central 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

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

What subatomic particles would you find in the nucleus of an atom?

• Protons only

• Protons and Neutrons

• Neutrons and Electrons

• Protons and Electrons

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?

• 10

• 20

• 30

Tags

NGSS.MS-PS1-1

What is the atomic mass of "F"

• 9
• 18
• 17
• 19