Molecular

This is an example of...

• a simple molecule

• an extended structure

Tags

NGSS.MS-PS1-1

Which of these is a simple molecule?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

What is the best statement for the picture. 

• The molecule has four carbon atoms and four hydrogen atoms. 

• The molecule has two carbon atoms and four hydrogen atoms. 

• The molecule has two carbon atoms. 

Tags

NGSS.MS-PS1-1

Explain the difference between an atom and a molecule.

• One molecule is made of one atom.

• One molecule is always made of different particles.

• One molecule is made of more than one atom.

• One molecule is made of more than two atoms.

Tags

NGSS.MS-PS1-1

What ELEMENTS are present in the chemical formula: CH₄

• Carbon and Helium

• Carbon and Hydrogen

• Calcium and Hydrogen

• Copper and Helium

Tags

NGSS.MS-PS1-1

• A chemical formula that shows molecular composition

• A chemical equation that shows a reaction

• A chemical symbol from the periodic table

Tags

NGSS.MS-PS1-1

What is the best formula for this molecule?
(on the model: BLACK is Carbon, and WHITE is Hydrogen)

• C₃H₂

• C₃H₈

• CH

• CH₈

Tags

NGSS.MS-PS1-1

What is the best formula for these molecules?
(on the model: WHITE is Hydrogen and RED is Oxygen)

• H₂O

• H₂O₂

• 3H₂O

• 4H₂O

Tags

NGSS.MS-PS1-1

What is the color of hydrogen atom in CH₄ molecule ?

• Red

• Black

• White

Tags

NGSS.MS-PS1-1

This model represents a...

• extended structure

• molecule

• compound

• atom

Answer explanation

An extended structure is repeating groups of atoms (molecules) bonded together. It is a molecule because it is multiple atoms bonded together. It is a compound because it has different types of atoms. 

Tags

NGSS.MS-PS1-1