Modeling Molecules

Which model represents atoms as spheres connected by sticks?

• Space-filling model

• Ball and stick model

• Structural model

• Chemical formula

Which of the following is a representation of a molecule?

• Model

• Element

• Mass

• Substance

Tags

NGSS.MS-PS1-1

What is a group of atoms bonded together called?

• Element

• Molecule

• Compound

• Mixture

Tags

NGSS.MS-PS1-1

Which model shows atoms as overlapping spheres?

• Ball and stick model

• Space-filling model

• Structural model

• Chemical formula

What is the smallest particle of a compound that still retains the properties of that compound?

• Atom

• Element

• Molecule

• Mixture

Tags

NGSS.MS-PS1-1

How do scientists portray molecules in models?

• By using different colors for different elements

• By using spheres to represent atoms

• By using sticks to represent chemical bonds

• All of the above

Tags

MS-PS1-1

A student creates a ball-and-stick model to represent the atomic scale of a substance. Which of these best describes the model?

• 1 molecule with 10 atoms

• 1 element with 10 molecules

• 10 molecules representing 10 elements

• 10 elements representing 10 molecules

Tags

NGSS.MS-PS1-1

two or more atoms that bind together form

• an element

• a molecule

• atoms

• none of the above

Tags

NGSS.MS-PS1-1

What is the term for the smallest part of a compound that can exist and still retain the chemical properties of that compound?

• Atom

• Element

• Molecule

• Ion

Tags

NGSS.MS-PS1-1

Which picture below is a model of a water molecule?

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Tags

NGSS.MS-PS1-1