Chemical Bonds Study Guide (Exam # 4)

Between what types of elements are metallic bonds formed?

• metal and a hydrogen atom

• metal and a metal

• metal and a nonmetal

• nonmetal and a nonmetal

Which of the following describes a nonmetal.

• It forms a cation

• It loses electrons to have a full valence shell.

• It forms a positively charged ion.

• It gains electrons to form an ion.

Which substance if formed by an ionic bond?

• Cl₂

• H₂O

• NaCl

• O₂

Select the crystal lattice structure that shows an ionic compound.

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How many electrons are gained by a nitrogen atom when it forms ionic bonds with three potassium atoms?

• 1

• 2

• 3

• 4

Which pair of elements will form an ionic bond?

• nitrogen and helium

• oxygen and fluorine

• potassium and chlorine

• sodium and calcium

Which compound is formed by covalent bonds?

• AlBr₃

• CO₂

• KCl

• NaF

The figure shows ethylene chloride (C₂H₃Cl).

What type of bonds are in this compound?

• one triple bond

• four single bonds and one double bond

• six single bonds and five double bonds

• none of the above

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The figure below shows the unequal sharing of electrons between a hydrogen atom and a chlorine atom.

Which type of bond does this figure illustrate?

• ionic bonds

• metallic bonds

• nonpolar covalent bonds

• polar covalent bond

Tags

NGSS.MS-PS1-1

To satisfy the octet rule, which of the following describes how hydrogen and chlorine covalently bond to form HCl?

• The hydrogen atom shares 1 electron with the chlorine atom.

• The hydrogen atom accepts 1 electron from the chlorine atom.

• The hydrogen atom donates 1 electrons to the chlorine atom.

• The hydrogen atom donates 7 electrons to a chlorine atoms.