Elements

A substance made up of only one type of atom which cannot be broken down further.

• Group

• Element

• Neutron

• Period

Which of the following are not a type of element?

• Metals

• Nonmetals

• Metalloids

• Solids

Why is the symbol Au for gold and Pb for lead?

• The letters represent the Latin names of those elements

• The letters represent the year they were discovered

• The letters represent the German names for those elements

• The letters represent the Phoenician names for those elements.

​ Select the physical properties of metals ​ ​ ​

• Solids
• Malleable/Ductile
• Good conductors
• High melting point
• Lustrous

Tags

NGSS.MS-PS3-4

​ Select the physical properties of nonmetals

• Gasses
• Brittle
• Poor conductors
• Dull
• Malleable/Ductile

How many different types of atoms (elements) are known to exist?

• 1

• 10

• 18

• 118

Every element can be found in nature without the aid of humans.

• TRUE

• FALSE

Flammability of a substance is a ​ (a)  

• Chemical Property
• Physical Property
• Solution

Tags

NGSS.MS-PS1-2

Which element is on group 5 period 5?

Tags

NGSS.HS-PS1-1

Which element is on group 18 period 1?

Tags

NGSS.HS-PS1-1