7.7

What is the chemical formula of this molecule?

• 2H

• H2

• H₂

• ₂H

Tags

NGSS.MS-PS1-1

What is the chemical formula of this molecule?

• N₂

• N2

• 2N

• NN

Tags

NGSS.MS-PS1-1

What is the chemical formula of this molecule?

• C₆H₆

• CH₆

• C₆H

• 6CH

Tags

NGSS.MS-PS1-1

How many atoms are in this diagram?

• 0

• 1

• 2

• None of these

Tags

NGSS.MS-PS1-1

How many elements are in this diagram?

• 0

• 1

• 2

• None of these

Tags

NGSS.MS-PS1-1

How many atoms are in this diagram?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many molecules are in this diagram?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What is the pH value of a neutral solution at 25°C?

• 7.0

• 7.7

• 6.5

• 8.0

Which of the following is closest to the atomic number of Nitrogen?

• 7.7

• 7

• 14

• 8

If a solution has a pH of 7.7, is it considered acidic, neutral, or basic?

• Acidic

• Neutral

• Basic

• None of the above