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- 1. Multiple Choice
The Symbol for the Element Hydrogen
H
He
Hf
Ho
- 2. Multiple Choice
The Symbol for the Element Helium
H
He
Hf
Ho
- 3. Multiple Choice
The Symbol for the Element Oxygen
C
O
Os
Cl
- 4. Multiple Choice
The Symbol for the Element Nitrogen
Ne
O
N
No
- 5. Multiple Choice
The Symbol for the Element Calcium
C
Ca
Co
CA
- 6. Multiple Choice
The Symbol for the Element Sodium
NA
N
Na
So
- 7. Multiple Choice
The Symbol for the Element Silicon
Si
S
SI
Cs
- 8. Multiple Choice
The Symbol for the Element Phosphorus
Ph
P
F
PH
- 9. Multiple Choice
The Symbol for the Element Sulfur
Su
SU
F
S
- 10. Multiple Choice
The Symbol for the Element Carbon
C
CA
Ca
Cr
- 11. Multiple Choice
The Symbol for the Element Chlorine
CL
Cl
CH
Ch
- 12. Multiple Choice
Which is not an element
Hydrogen
Sodium
Water
Nitrogen
- 13. Multiple Choice
Which statements are true characteristics about elements:
I. made from a mixture
II. a pure substance
III. represented by a symbol
IV. make up matter on Earth
I, III
II, III, IV
II, IV
I, IV
- 14. Multiple Choice
The smallest quantity of an Element that would still have the properties of that Element?
Compound
Mixture
Atom
Period
- 15. Multiple Choice
A sample of matter that is made of many identical particles can best described as
an element
a mixture
a compound
an atom
- 16. Multiple Choice
1 element is made of
identical types of atoms
different types of atoms
- 17. Multiple Choice
Different elements are made up of
identical types of atoms
different types of atoms
- 18. Multiple Choice
Which 2 elements make up 75% of Earth's Crust
Oxygen and Silicon
Oxygen and Magnesium
Silicon and Sodium
Potassium and Calcium
- 19. Multiple Choice
Which element is most common in the atmosphere? (The air we breathe)
calcium
nitrogen
helium
hydrogen
- 20. Multiple Choice
Most living things contain which four elements
chlorine, sodium, hydrogen, nitrogen
sulfur, phosphorous, calcium, nitrogen
silicon, calcium, oxygen, aluminum
oxygen,carbon, hydrogen, nitrogen
- 21. Multiple Choice
Which microscopic view of the particles in the picture is best to use for a model to represent Argon gas?
Solid
Liquid
Gas
- 22. Multiple Choice
The smallest part of an Element that is not chemically combined
compounds
atoms
molecules
solutions
- 23. Multiple Choice
Which element is found in large amounts in both the Earth's Atomosphere and Oceans and is essential for human life?
helium
oxygen
silicon
calcium
- 24. Multiple Choice
What substance is chemically formed when 1 oxygen and 2 hydrogen atoms combine
hydroxygen
water
hydrogen dioxide
a mixture of hydrogen and oxygen
- 25. Multiple Choice
What is smallest part of a silver ring that is still silver?
an atom
a molecule
an electron
a compound
- 26. Multiple Choice
Compounds are made of 2 or more
atoms
elements
- 27. Multiple Choice
Molecules are made of 2 or more
atoms
elements
- 28. Multiple Choice
How many different elements are in CaCO3
3
4
5
6
- 29. Multiple Choice
How many different atoms are in CaCO3
3
4
5
6
- 30. Multiple Choice
How many different elements are in the (fake)compound HCOBrNaP4K?
6
7
11
12
- 31. Multiple Choice
Si and O represent _______________________ in the chemical formula SiO2
molecules
elements
gases
solids
- 32. Multiple Choice
NaCl is considered a compound because it is made of two or more
molecules
elements
gases
solids
- 33. Multiple Choice
A Chemical property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed.
True
False
- 34. Multiple Choice
An example of a chemical property
melting when heated
conducting electricity
mallebility
rusting
- 35. Multiple Choice
When sugar is heated over a flame and turns black
chemical change
physical change
- 36. Multiple Choice
When sugar is dissolves in a glass of water
chemical change
physical change
- 37. Multiple Choice
Wood burning in a camp fire
chemical change
physical change
- 38. Multiple Choice
City Girls Love Their Orange _______________(Be sure to know what this stands for!)
Phosphorus
Phones
Pineapples
Peace signs
- 39. Multiple Choice
Baking a cake is a chemical change because it
creates a new substance
creates energy
changes the volume
changes the state of matter
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