Matter and Their Changes Review

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

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 

Which of the following is a subatomic particle with no charge that is found in the nucleus of an atom?

• Electron
• Proton
• Neutron
• Quark

Where are electrons of an atom found?

• Nucleus
• Electron Cloud or Engery level
• Some are in the nucleus and some in the electron cloud.
• They are moving everywhere.

In which region would the most reactive metals be found? 

• 1
• 4
• 5
• 3

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In which region would the least reactive elements be found? 

• 1
• 4
• 3
• 5

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

• column
• row

Elements on the periodic table that are usually shiny, easily hammered into thin sheets or pulled into wires, and are good conductors of electricity are called _____________.

• metals
• nonmetals
• metalloids
• transition elements

Elements on the periodic table that have physical and chemical properties of both metals and nonmetals are called _____________.

• metals
• nonmetals
• metalloids
• transition elements