Covalent Compound Formulas

Which statement describes the model that shows a compound.

• Model X shows a compound because there are two different types of atoms

• Model X shows a compound because two different atoms are chemically bonded together.

• Model Y dhows a compound because there is more than one type of atom.

• Model Y shows a compound because each pair of matching atoms can form a chemical bond.

Tags

NGSS.MS-PS1-1

• Element

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

An atom of nitrogen (N) has _______ open bonding sites.

• 5

• 4

• 3

• 8

Tags

NGSS.MS-PS1-1

What is the correct formula for phosphorous trichloride?

• P₃Cl

• PCl₃

• KCl₃

• K₃Cl

Tags

NGSS.MS-PS1-1

Identify the elements in this compound.

• Carbon, Helium, Oxygen

• Chromium, Hydrogen, Oxygen

• Calcium, Hydrogen, Oxygen

• Carbon, Hydrogen, Oxygen

Tags

NGSS.MS-PS1-1

This is the displayed formula for what covalent molecule?

• Water

• Chlorine

• Chloride

• Ethanol

Tags

NGSS.MS-PS1-1

H2O is an example of

• an atomic number.

• an element symbol.

• a chemical formula.

Tags

NGSS.MS-PS1-1

When assigning the number of individual atoms in a chemical formula it is written as a...

• superscript

• subscript

• coefficient

• script

Name the following covalent compound: CO₂

• carbon dioxide

• carbide oxygen

Tags

NGSS.MS-PS1-1

Name the following covalent compound: SO₃

• sulfur oxide

• sulfur trioxide

Tags

NGSS.MS-PS1-1