WorksheetsUnit 1 Chemistry Review
Total questions: 39
Worksheet time: 6hrs 56mins
Baking Cookies
Physical Change
Chemical Change
Melting Ice Cream
Physical Change
Chemical Change
Blowing up a balloon
Physical Change
Chemical Change
Rusting Nail
Physical Change
Chemical Change
If you do not understand a direction or part of a lab procedure, you should—
Figure it out as you do the lab
Try several methods until something works
ask the instructor before proceeding
skip it and go on to the next part
Long hair in the laboratory must be
cut short
held away from the experiment with one hand
always neatly groomed
tied back or kept entirely out of the way with a hair band
What is the purpose of forceps?
for plucking or handling small amounts
measure weight/force
measure mass
holding test tubes
The graduated cylinder is used for
measuring and pouring liquids
transferring heat
measuring mass
measuring weight
combustible
change of state of matter
milk souring
Which of these is a pure substance?
homogenous mixture
Sodium chloride
heterogeneous mixture
saltwater
NaCl (salt) dissolves in water
Physical Change
Chemical Change
Melting point
Physical Property
Intensive
Chemical Property
Physical Property
Extensive
Which of the following is an intensive property?
melting point
Mass
Volume
Weight
burning your test
What are the two classes of matter?
elements & compounds
atoms & elements
compounds & pure substances
pure substances & mixtures
Which one is a solid
Left
Middle
Right
Pure Substance Compound
Homogenous Mixture
Solid
What do the vertical columns on the periodic table tell us?
The number of orbitals
The number of valence electrons (electrons on the outer most shell)
What do the horizontal rows on the periodic table tell us?
The number of orbitals
The number of valence electrons (the electrons on the outer most shell)
How many electron rings does chlorine have?
(a)
How many valence electrons does carbon have?
(a)
Number of valence electrons and number of electron rings beryllium has?
(a)
