WorksheetsWater Chemistry
Total questions: 20
Worksheet time: 15mins
The basic unit of matter and the defining structure of elements.
atom
molecule
element
nucleus
Used to describe a molecule that has an unequal distribution of charges (positive and negative)
non polar
element
polar
chemicals
A weak bond formed by the attraction of more positively charged H on one molecule and the more negatively charged O (or N or F) on a different molecule.
ionic
covalent
hydrogen
A strong bond created when atoms SHARE electrons.
covalent
ionic
hydrogen
A strong bond created by the transfer of electrons from one atom to a different atom.
covalent
ionic
hydrogen
What type of bond holds together the atoms within a water molecule? (indicated by arrow)
hydrogen bond
random bond
ionic bond
covalent bond
What type of bond is usually represented by dotted lines between water molecules?
molecule
hydrogen
atom
ionic
What pH would be considered neutral?
2
10
7
What property allows striders to walk on top of water?
surface tension
high specific heat
solvent
solid water floats
Which pH would be considered basic?
6
10
4
What property of water allows blood to transport nutrients and waste to where they need to go?
cohesion
adhesion
capillary action
universal solvent
Which pH would be considered acidic?
2
14
7
What property of water helps preserve the life of living organisms that live in large lakes when the temp drops below freezing?
surface tension
solid water floats
capillary action
cohesion
Which of the following would be NONPOLAR?
bleach
vinegar
oil
water
What part of this diagram is hydrogen?
A
B
C
What part of this diagram is Oxygen?
A
B
C
When water is able to stick to itself
cohesion
adhesion
solvent
solution
Water sticking to other substances.
cohesion
pH
adhesion
reactant
What property allows water to move from the roots of plants to the top of the plant?
molecules
high heat capacity
surface tension
capillary action
A solution of 6.7 would be classified as what?
weak acid
weak base
strong acid
strong base
