Atoms (counting), molecules, elements, compounds

4CF₂Cl₂

• C = 4, F = 4, Cl = 2

• C = 1, F = 8, Cl = 8

• C = 4, F = 8, Cl = 8

• C = 1, F = 4, Cl = 8

Tags

NGSS.MS-PS1-1

C₃H₅(NO₃)₃

• C = 3, H = 5, N = 3, O = 9

• C = 3, H = 5, N = 1, O = 9

• C = 9, H = 15, N = 3, O = 9

• C = 9, H = 15, N = 1, O = 3

Tags

NGSS.MS-PS1-1

H₂SO₄

• H = 2, S = 4, O = 4

• H = 2, S = 1, O = 4

• H = 8, S = 4, O = 4

• H = 2, SO = 4

Tags

NGSS.MS-PS1-1

How many different elements are present in this molecule?

3 NH₄C₂H₃O₂

• 15

• 36

• 5

• 4

Tags

NGSS.MS-PS1-1

A ______ is a number written in front of a chemical formula.

• Coefficient

• Subscript

• Exponent

• Coordinator

Tags

NGSS.MS-PS1-5

How many Hydrogen atoms are in 4H₂O?

• 6

• 8

• 2

• 4

Tags

NGSS.MS-PS1-1

A subscript is the small number below the element symbol that tells the number of _______ of that element.

• atoms

• valence electrons

• protons

• elements

Tags

NGSS.MS-PS1-1

How many atoms are present if there is no subscript following the element symbol?

• 0

• 2

• only 1

• 1 million

Tags

NGSS.MS-PS1-1

Element or compound?
H₂O

• element
• compound

Tags

NGSS.MS-PS1-1

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

• formula
• atom
• subscript
• compound

Tags

NGSS.MS-PS1-1