Atomic Structure and the Periodic Table

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

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 element is located at Period 5, Group 2? 

• Niobium
• Strontium
• Nitrogen
• Phosphorus

Elements in the periodic table are arranged in order by their ...

• atomic number
• atomic mass (mass number)
• metal, nonmetal, or metalloid properties

Periods run VERTICALLY on the periodic table, from top to bottom.

• True
• False

ATOMIC NUMBER is the number of protons AND electrons.

• True
• False

How many proton are in this element?

• 238
• 92
• 146

Tags

NGSS.MS-PS1-1

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