WorksheetsChemical Bonds and Properties of Water
Total questions: 14
Worksheet time: 7mins
An atom shares an electron with another atom in a
covalent bond
ionic bond
hydrogen bond
In a(n) __________ bond, an atom takes/gives an electron.
covalent
hydrogen
ionic
sad
The bonds formed between water molecules are called
hydrogen bonds
hydrogen balloons
strong bonds
If a molecule is said to be "polar," that means it
has a charge (positive end and negative end)
has no charge
is a white bear
Cohesion is...
when the same type of molecules stick together
when two different types of molecules stick together
when unlike molecules repel each other
Adhesion is...
when two of the same type of molecules stick together
when to unlike molecules stick together
when nobody sticks together
Oil and water don't mix because
water is non polar and oil is polar
water is polar and oil is non polar
neither have a charge so they just sit there
Water has a ______ specific heat.
high
particularly low
The four elements necessary for life on earth are
carbon, hydrogen, oxygen, nitrogen
carbon, gold, silver, nitrogen
copper, gold, aluminum, oxygen
The 3 subatomic particles of an atom are
protons electrons and oxygen
protons electrons and neutrons
plants electricity and nerves
What is the measure of the force needed to break the surface of a liquid?
surface swimming
surface tension
electronegativity
Because water has a high specific heat, this
allows animals to freeze during the winter
helps regulate cell temperature in organisms (cells contain LOTS of water)
make sure your water boils more quickly
Because ice floats on water,
life can exist under frozen lakes
it makes it cool to go ice skating
it will immediately turn to a gas
A solution is
a mixture of one substance
an even mixture of two or more substances
something that dissolves something else
