Chem Unit 5 - Covalent Bonding

Matter that consists of one atom of one single element is called

• Monatomic

• Diatomic

• Homogeneous

• Compound

Atoms held together by sharing electrons are joined by a(n) __________ _____________.

• Ionic Bond

• Hydrogen bond

• Covalent Bond

• Duet Bond

A neutral group of atoms joined together by a covalent bond is called a(n)

• Element

• Molecule

• Ionic Compound

• Mixture

Carbon monoxide (CO) is an example of a(n) _____.

• Ionic bond

• Acid-Base molecule

• Diatomic molecule

• van der Waals force

Which of these compounds would have the lowest boiling point?

• Nitrogen dioxide

• Sodium chloride

• Potassium Bromide

• Magnesium chloride

The molecular formula for oxygen is

• O

• O2

• O3

• HO2

In covalent bonds, electrons are shared so that they resemble a(n) ________.

• Halogen

• Actinide

• Ionic bond

• Noble gas

An atom form group 1A is most likely to combine with an element from which group?

• 2A

• 2B

• 7A

• 8A

A molecule of hydrogen is held together by what type of bond?

• Hydrogen bond

• Single covalent bond

• Double covalent bond

• Polar covalent bond

A __________ represents covalent bonds by using dashes and shows the arrangements of the bonds.

• Molecular formula

• Electron dot structure

• Bonding formation

• Structural formula