Atomic Structure

What do the following properties describe? : shiny, ductile, good conductor, high melting point

• metal
• nonmetal
• metalloid

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Roasting marshmallows is a CHEMICAL change.

• True
• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Crushing a soda can is a CHEMICAL change.

• True
• False

Which is an example of a metal?

• Radon
• Oxygen
• Aluminium
• Carbon

Which is an example of a nonmetal?

• Platinum
• Carbon
• Silver
• Lead

Tags

NGSS.HS-PS1-1

Which is an example of a metalloid?

• Boron
• Lead
• Radon
• Gold

ATOMIC NUMBER is the number of protons AND electrons.

• True
• False

How many electrons are in this element?

• 238
• 92
• 146

Tags

NGSS.MS-PS1-1

How many neutrons are in this element?

• 238
• 92
• 146

Tags

NGSS.MS-PS1-1

Which of the following are located in the nucleus and have a positive charge?

• Electron
• Proton
• Neutron

Tags

NGSS.MS-PS1-1