Quiz on Chemical Bonds

Which of the following is a true statement regarding chemical bonds?

• Atoms of two different elements can bond together to gain stability

• Atoms of one kind of element can bond together to gain stability

• Both A and B are true

• Neither A or B is true

The octet rule states that atoms are generally most stable when

• Eight atoms form ring-shaped molecules

• They combine with other elements to form compounds

• They have eight electrons in their valence energy level

• They lose all their valence electrons

Which of the following is not true regarding chemical bonds?

• Chemical bonds form compounds that are less stable than the individual atoms involved

• chemical bonds can form when atoms gain or lose electrons

• chemical bonds can form when atoms share electrons

• chemical bonds can form when electrostatic attractions hold atoms together

The properties of hydrogen and oxygen are different than when combined to make water because

• Chemical bonding changes the properties

• They consist of different elements

• Water is a pure nonreactive element

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NGSS.MS-PS1-2

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The octet rule can be satisfied when an atom

• Shares electrons

• Gains enough electrons to have a full octet in its valence energy level

• Loses enough electrons to expose the full octet of the next lower energy level

• Any of the above

A chemical bond between two nonmetals with similar electronegativity would be a(n) (a)   bond.

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NGSS.HS-PS1-1

Which of the following best describes metallic bonds?

• Metal atoms attracting their sea of shared electrons

• Metal molecules having an unequal distribution of electric charge

• Two metal atoms sharing electrons in order to become stable

• Two metals with opposite electrical charges attracting each other

In an ionic bond between an alkali metal atom and a nonmetal atom, the anion is ___________.

• The alkali metal atom

• The nonmetal atom

• Both A and B

• Neither A nor B

Covalent bonding forms _____________, while ionic bonding forms _____________.

• Diatomic molecules; Lewis structure

• Molecules; crystals

• Polar molecules; nonpolar molecules

• Single bonds; double or triple bonds

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NGSS.HS-PS1-1

Why does diatomic nitrogen form triple bonds?

• Diatomic nitrogen is a polar molecule

• Nitrogen has a high electronegativity

• Nitrogen is part of the Hydrogen Seven

• Nitrogen needs three additional electrons to complete its octet

Tags

NGSS.HS-PS1-1