Atoms and Chemical Formulas

How many atoms of Oxygen are there in: H₂SO₄

• 6

• 5

• 4

• 2

Tags

NGSS.MS-PS1-1

If there is no subscript, there is/are ______ atom(s) of that element.

• 0

• 2

• only 1

• 1 million

Tags

NGSS.MS-PS1-1

How many TOTAL atoms are there in H₂O (water)?

• 1

• 2

• 3

• more than 3

Tags

NGSS.MS-PS1-1

How many different ELEMENTS are in N₂O ?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Lists the "ingredients" of a molecule or compound-- the chemical symbols and numbers of atoms present.

• chemical symbol

• coefficient

• subscript

• chemical formula

Tags

NGSS.MS-PS1-1

How many total atoms do you have for each element in this chemical formula?

• P = 2, O = 4, H = 8

• P = 1, O = 3, H = 2

• P = 2, O = 3, H = 8

• P = 2, O = 4, H = 3

Tags

NGSS.MS-PS1-1

Which of these substances have the same number of hydrogen atoms?

• H₅C₆PO₄

• C₆H₁₂O₆

• CH₄COOH

• CH₃CH₇

Tags

NGSS.MS-PS1-1

Which statement is true about the following compounds?

• Compound 1 contains 6 more Oxygen atoms than Compound 2

• Compound 2 contains twice the amount of total atoms as Compound 3

• Compound 1 contains twice the amount of total atoms as Compound 2

• Compound 1 contains 30 total atoms

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

How many atoms of each element are in this chemical formula?

CH₄COOH₂

• 2 Carbon atoms, 8 Hydrogen Atoms, 4 Oxygen atoms

• 4 Carbon atoms, 6 Hydrogen atoms, 4 Oxygen atoms

• 2 Carbon atoms, 6 Hydrogen atoms, 2 Oxygen atoms

• 1 Carbon atom, 2 Hydrogen atoms, 2 Oxygen atoms

Tags

NGSS.MS-PS1-1

How would you describe the overall charge of the nucleus in the atomic model?

• +9 (Positive Charge)

• +10 (Positive Charge)

• -9 (Negative Charge)

• No Charge

Tags

NGSS.MS-PS1-1