Elements, molecules, and compounds

What is the element Ca

• Carbon

• Cat

• Calcium

• Caterpillar

What is a molecule

• A molecule

• one or more atoms put together

• a type of element

Tags

NGSS.MS-PS1-1

Which of these is a compound

• salt

• chlorine.

• Sink

• Helium

Tags

NGSS.MS-PS1-1

Witch of these is an element

• Acid

• Fire

• Nickel

• Stone

How many elements are there

• 112

• 118

• 113

• 123

Where do atoms connect to other atoms to make molecules

• Bonding sites

• The electrons

• The nucleus

Tags

NGSS.MS-PS1-1

How do u make a compound

• Put atoms together

• Break atoms apart

• Add glue

Tags

NGSS.MS-PS1-1

are all of the elements found in nature

• Yes

• No