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Grade 9 Chemistry Unit Test (multiple Choice)

68 Questions  I  By Smartiecheez
Chemistry Quizzes & Trivia
A review test that helps review things within the chemistry unti such as, the atoms, ions, past atom theories/models, the periodic table (not every element), chemical and physical change, chemical reaction, chemical formulas, Bohr diagram, graphing results/reactions etc.  

*Note: You might want to use a periodic table for this Test!

  
Changes are done, please start the quiz.


Question Excerpt

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1.  The chemical formula for copper (II) sulfate is CuSO4. The total number of atoms in one molecule of copper (II) sulfate is:
A.
B.
C.
D.
2.  What is a polyatomic ion?
A.
B.
C.
D.
3.  What are characteristics do a ionic compound have? Choose 4.
A.
B.
C.
D.
E.
F.
4.  Jason noticed that the periodic table had coloured sections. The seven elements between the metal and non-metal sections had their own colour. They represent a group called:
A.
B.
C.
D.
5.  Since atoms are neutral, the number of electrons is equal to the number of:
A.
B.
C.
D.
6.  Angelo required an aqueous solution of sodium chloride. He made the solution by dissolving salt in:
A.
B.
C.
D.
7.  What are the 4 types of reactions?
A.
B.
C.
D.
E.
F.
G.
H.
I.
8.  What is the formula for a solid state at room temperature?
A.
B.
C.
D.
9.  What is the formula for a liquid at room temperature?
A.
B.
C.
D.
10.  The vertical columns on the periodic table are called _______.
A.
B.
C.
D.
11.  Erica was told by her science teacher that ‘amu’ is the basis of the element classification system. The symbol ‘amu’ stands for:  
A.
B.
C.
D.
12.  What are the 2 types of compounds?
A.
B.
C.
D.
13.  What is the formula for a gas at room temperature?
A.
B.
C.
D.
14.  What is an element?
A.
B.
C.
D.
15.  What does the word ‘atom’ mean?
16.  How many  electrons max. are allowed in the 1st, 2nd and 3rd shell in a Bohr Diagram?
A.
B.
C.
D.
17.  “It’s like shooting a gun shell at a place of tissue paper and it comes back right at you.” These famous words were said by:  
A.
B.
C.
D.
18.  What are some characteristics that molecular compounds have? Choose 3.
A.
B.
C.
D.
E.
F.
19.  What are the 2 different types of ions?
A.
B.
C.
D.
20.  What is a compound?
A.
B.
C.
D.
21.  How do you calculate the number of neutrons in an atom?
A.
B.
C.
D.
22.  How many naturally occuring elements exist?
23.  The change that occurs when a substance changes from a gas to a solid is referred to as:
A.
B.
C.
D.
24.  What is the key idea of the Bohr Model?
A.
B.
C.
D.
25.  Which of these properties are slightly less reactive than Alkali Metals?
A.
B.
C.
D.
26.  A chemistry poster indicated information on the number of particles in a newly discovered atom. According to the information in the poster the atomic number is:  Protons: 113      Electrons: 113     Neutrons: 281                      
A.
B.
C.
D.
27.  What is a multivalent ion?
A.
B.
C.
D.
28.  Non-metals like to _____ electrons to become ______ ions.
A.
B.
C.
D.
29.  Which of these mixtures are easily separated with a filter and is a cloudy mixture?
A.
B.
C.
D.
30.  What do atoms like to have?
A.
B.
C.
D.
31.  Molecular compounds can be found in all three states of matter at room temperature. Which molecule compound is a liquid at room temperature?
A.
B.
C.
D.
32.  Name the molecular compound, CBr4 properly.
33.  Which of these properties are uncreative, colourless and odourless in room temperature?
A.
B.
C.
D.
34.  How is a molecular/covalent compound formed?
A.
B.
C.
D.
35.  Which of these properties are radioactive?
A.
B.
C.
D.
36.  Most atoms are neutral. To become a positive ion the atom must:
A.
B.
C.
D.
37.  NaHCO3 indicates one molecule of baking soda and best represents the _____ for baking soda.  
A.
B.
C.
D.
38.  What is the formula for a aqueous solution at room temperature?
A.
B.
C.
D.
39.  Which of these mixtures are mixed so well that the mixture looks like a substance (homogenous)?
A.
B.
C.
D.
40.  Vitamin C identified by the chemical formula C6H8O6 (s) has:
A.
B.
C.
D.
41.  What type of change is this: A blue green lobster turned red as it cooked.
A.
B.
42.  Which of these mixtures can you easily see the different parts of it without a microscope (heterogeneous)?
A.
B.
C.
D.
43.  How many elements are present in two molecules of aspirin? The formula for aspirin is C9H8O4.
A.
B.
C.
D.
44.  Which of these properties are extremely reactive and are silvered coloured and shiny?
A.
B.
C.
D.
45.  Balance the charges in the ionic compound Magnesium Chloride, the new formula would be:
A.
B.
C.
D.
46.  What is an atom?
A.
B.
C.
D.
47.  Ions in the same group like to have _____ charge.
A.
B.
C.
D.
48.  What are chemical formulas used to represent?
A.
B.
C.
D.
49.  In the periodic table the element chlorine appears in a box containing important information. What does the number 17 in the box indicate?   
A.
B.
C.
D.
50.  Water (H20) is a common compound made up of:
A.
B.
C.
D.
51.  How are ionic compounds formed?
A.
B.
C.
D.
52.  Metals like to _____ electrons to become ____ ions.
A.
B.
C.
D.
53.  Which of these properties are all non-metals and tend to create salts with metals?
A.
B.
C.
D.
54.  Ashton noticed that Cu, Zn and Ga are in the same horizontal row in the periodic table. She concluded that these three elements belong to the same:
A.
B.
C.
D.
55.  Some potassium oxide was placed in 9g of water. 112g of potassium hydroxide was produced. What mass of potassium oxide was used?
56.  What do you call pure substances that are formed from the attraction between positive ions and negative ions?  
A.
B.
C.
D.
57.  What are the parts of an atom?
A.
B.
C.
D.
58.  Several models of what the atom may have looked like were made. The earliest model, representing the atom as a positively charged sphere in which negatively charged electrons were embedded, was developed by:  
A.
B.
C.
D.
59.  Which of these mixtures are difficult to separate and is a cloudy mixture?
A.
B.
C.
D.
60.  The change that occurs when a substance changes from a solid to a gas is referred to as:  
A.
B.
C.
D.
61.  A simple volcano demonstration in a science fair project requires that vinegar be mixed with baking soda. The result is bubbling and fizzing. The carbon dioxide produced in this reaction is the most accurately written as:  
A.
B.
C.
D.
62.  The horizontal rows on the periodic table are called _______.
A.
B.
C.
D.
63.  Which of these properties are shiny and good conductors of heat and electricity?
A.
B.
C.
D.
64.  The Canadian contribution to the study of the atom came about by a scientist who named and studied the nucleus. Who was he?
A.
B.
C.
D.
65.  What does the atomic number of an atom represent?  
A.
B.
C.
D.
66.  What does an atom represent?
A.
B.
C.
D.
67.  As you move from the left side of the periodic table to the right side the elements become:  
A.
B.
C.
D.
68.  The numbers 3 and 8 in the chemical formula for propane, C3H8, are given a special name. They are called:
A.
B.
C.
D.
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