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WorksheetsPolar Molecules
Total questions: 10
Worksheet time: 5mins
A covalent bond is a chemical bond where two atoms share__________.
protons
neutrons
valence electrons
the same group on the periodic table
Covalent bonds form between 2 or more atoms of ______________.
metals
metaloids
nonmetals
I don't know
A molecule is a group of atoms held together with ________________ that acts as an independent unit.
covalent bonds
ionic bonds
metallic bonds
isotopic bonding
A molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons is a _______________.
nonpolar molecule
polar molecule
ionic compound
metalic compound
Atoms of a polar molecule share their atoms ___________.
Equally
Unequally
Polar molecules will dissolve in other polar molecules and nonpolar molecules will dissolve in other nonpolar molecules.
True
False
Polar molecules have
no charges.
slight positive and negative charges on opposite ends of the molecules.
only positive charges.
either positive or negative charges, but not both.
The attractions between water molecules are called a __________________.
gravity force
dipole force
nuclear force
I don't know!
Why is it difficult to wash oil from your hands with plain water?
Both substances are polar. Like polarities repel.
Both substances are nonpolar. Like polarities repel.
Water is nonpolar, and oil is polar, so they will not combine.
Water is polar, and oil is nonpolar, so they will not combine.
The boiling point of polar molecules is __________ the boiling point of nonpolar molecules.
lower than
equal to
higher than
