Chemical and Physical Properties

What is an element?

• One type of atom that have the same number of protons.

• Something that you put on the front of a motorcycle.

• Something that only you could define.

• Elephants make them.

Tags

NGSS.MS-PS1-1

What is a compound?

• One or more atoms chemically bound together.

• One or more elements chemically bound together.

• Butter mixed with herbs and spices.

• Like a contraction, but cooler.

Tags

NGSS.MS-PS1-1

How many elements are in this formula: C₆H₁₂O₆

• 6

• 24

• 3

• 12

Tags

NGSS.MS-PS1-1

Element or compound: C₄

• Element

• Compound

• Alien

• Math thing

Tags

NGSS.MS-PS1-1

Element or compound: CO₂

• Element

• Compound

Tags

NGSS.MS-PS1-1

Element or compound: Na₂O

• Element

• Compound

Tags

NGSS.MS-PS1-1

How many elements are below: AgCO₃

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

How many elements are below: K₂HPO₄

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

How do you count atoms in a chemical formula?

• By the coefficient

• By the number of capital letters

• By adding all of the subscripts of the symbols together

• By using the code

What is a subscript?

• A submarine with an english teacher in it.

• Smaller letters and numbers

• The number that is smaller and comes after the symbol for an element.

• Someone who subs for a teacher.