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WorksheetsUnit 2 CCA Review Elements and Compounds
Total questions: 42
Worksheet time: 31mins
Which Element is found only in Living Matter and the Oceans?
(a)
Which Element is found only in Living Matter and the Atmosphere?
(a)
Which Element is found in Oceans and the Atmosphere?
(a)
What Elements are found in the following Compound? CaF2
Calcium
Carbon
Flourine
Oxygen
What Elements are found in the following Compound? CoClAl2
Cobalt
Chlorine
Flourine
Aluminum
Carbon
What Elements are found in the following Compound? CONHe2
Cobalt
Carbon
Oxygen
Nitrogen
Helium
How many ATOMS are found in the following Compound? H4N2He2
(a)
How many ATOMS are found in the following Compound? O3HHe5
(a)
How many ATOMS are found in the following Compound? Na4HeS2
(a)
Which of the following about an
ELEMENT is NOT TRUE?
Made from a Mixture
A Pure Substance
Represented by a symbol
Make up all Matter on Earth
Which of the following is NOT an element?
But is a compound…
Water
Fluorine
Cobalt
Gold
Which of the following is NOT an element?
But is a compound…
Helium
Neon
Salt
Carbon
Which of the following is NOT an element?
But is a compound…
Nickel
Lithium
Silver
Hydrogen Peroxide
When a Chemical Change occurs, sometimes you can see a solid (a) form.
Oxygen is the ____ ________ Element on our planet.
Most Abundant
Least Abundant
Really Cool
When an Iron Nail rusts, the mass....
Increases
Decreses
Stays the same
Disappears
Hydrogen
N
Na
Au
H
He
Gold
N
Na
Au
H
He
Nitrogen
N
Na
Au
H
He
Helium
N
Na
Au
H
He
Sodium
N
Na
Au
H
He
Chlorine
N
Na
Au
H
Cl
Aluminum
A
Al
Au
Am
AL
Cobalt
C
Co
CO
c
Ct
When you are testing to see how a substance REACTS with something else, you are looking for its....
Chemical Properties
Physical Properties
Compounds
Elements
When you are testing a substance using your sense, and you are NOT destroying matter, you are looking for its....
Chemical Properties
Physical Properties
Compounds
Elements
Which one of these is a Physical Property and NOT a Chemical Property?
Electrical Conductivity
Flammability
If it reacts with water
If it reacts with the Sun
How many Elements are on the Periodic Table?
108
113
118
100
If something goes wrong during a Lab experiment, what is the first thing you should do?
Tell the Teacher
Just fix it yourself
Ask 3 others before the teacher
Grab the dustpan and get to work
Which one is NOT evidence of a Chemical Change?
Gas bubbles Produced
Change of states of matter
Unexpected Change of color
A solid (Precipitate) Forms
It created a New Substance
Elements are made up of ___ type(s) of atoms.
0
1
2
3
Hydrogen Chloride
Element
Compound
Iron
Element
Compound
Water
Element
Compound
Hydrogen Peroxide
Element
Compound
Baking Soda
Element
Compound
Silver
Element
Compound
A Compound is made up of two or more (a)
If you see something on Fire…What type of change is taking place?
Chemical Change
Physical Change
Chemical Property
Physical Property
This small number to the right of an Element tells you how many of atoms of that Element are included in the Molecule.
Subscript
Postscript
Megascrpit
numberscript
Draw the Chemical formula for Water

How would you show a compound with 4 Hydrogen atoms and 2 Oxygen Atoms?

