Molecular Compounds and Electron Dot Diagrams

Which of the following are properties of molecular compounds?

• High melting and boiling points

• Conduct electricity in solid state

• Low melting and boiling points

• Poor conductors of electricity

A molecular formula is a representation of a molecule that indicates the number and type of atoms present in the molecule.

• True

• False

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NGSS.MS-PS1-1

The chemical formula of dinitrogen tetroxide is

• Ni₂O₄

• NiO

• N₂O₄

• NiO₂

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NGSS.MS-PS1-1

What is the formula for Hexaboron Monosilicide

• B₆Si
• BSi
• BSi₆
• B₆Si₆

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NGSS.MS-PS1-1

What is the formula for Tricarbon Octahydride?

• Ca₃O
• C₂H₈
• C₃H₈
• Ca₃H₈

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NGSS.MS-PS1-1

What types of elements combine to form a molecular compound?

• two or more metals
• two or more different nonmetals
• a metal and a non-metal
• two of the same nonmetal

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NGSS.MS-PS1-1

What is the name of Br₆F₁₀ ?

• Bromium fluoride

• Hexabromine fluoride

• Bromium decafluoride

• Hexabromine decafluoride

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NGSS.MS-PS1-1

When there is only one atom of the first element in a molecular compound's formula, the prefix mono is used.

• True

• False

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NGSS.MS-PS1-1

When there is only one atom of the second element in a molecular compound's formula, the prefix mono is used.

• True

• False

Choose the proper name for CH₄, methane.

• carbon hydrogen

• carbon tetrahydrogen

• carbon hydride

• carbon tetrahydride

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NGSS.MS-PS1-1