READING THE PERIODIC TABLE

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 

Tags

NGSS.MS-PS1-1

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.MS-PS1-1

an atom with atomic number 6 would have how many protons 

• 6
• 12
• 3
• cannot be determined 

Tags

NGSS.MS-PS1-1

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

• negatrons 
• electrons 
• neutrons 
• protons 

An atoms overall charge is generally

• positive 
• depends on its mood 
• neutral 
• negative 

A section of the Periodic Table of Elements is provided. What is the chemical symbol for magnesium?

• 12
• Mg
• 24.31
• Magnesium

Which of these is the proton.

• A
• B
• C
• None

Tags

NGSS.MS-PS1-1

B and C are found in the ______ of an atom.

• Energy levels
• Space
• Nucleus
• Outside

Tags

NGSS.MS-PS1-1

Which number here is my atomic number?

• 5
• 10.811

Tags

NGSS.MS-PS1-1