Periodic Table and Reactivity

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

• negatrons 
• electrons 
• neutrons 
• protons 

If an atom without a charge has 3 electrons, how many protons does it have?

• 1

• 2

• 4

• 3

Tags

NGSS.MS-PS1-1

The subatomic particle with a negative charge is the

• electron
• proton
• neutron
• nucleus 

Elements with similar chemical and physical properties are in the same

• Period

• Group

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

• 14

• 7

• 15

• 18

Tags

NGSS.MS-PS1-1

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

Tags

NGSS.MS-PS1-1

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

In which region would the nonmentals be found?

• 1
• 4
• 3
• 5

Something that is made up of only one kind of atom is known as _________________.

• a molecule
• a compound
• an element
• a proton

Tags

NGSS.MS-PS1-1

A "group" is a ____________ on the periodic table.

• column
• row