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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.  Which of these properties are radioactive?
A.
B.
C.
D.
2.  How are ionic compounds formed?
A.
B.
C.
D.
3.  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.
4.  Which of these mixtures are difficult to separate and is a cloudy mixture?
A.
B.
C.
D.
5.  The numbers 3 and 8 in the chemical formula for propane, C3H8, are given a special name. They are called:
A.
B.
C.
D.
6.  Some potassium oxide was placed in 9g of water. 112g of potassium hydroxide was produced. What mass of potassium oxide was used?
7.  What are the 2 different types of ions?
A.
B.
C.
D.
8.  Which of these properties are slightly less reactive than Alkali Metals?
A.
B.
C.
D.
9.  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.
10.  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.
11.  Balance the charges in the ionic compound Magnesium Chloride, the new formula would be:
A.
B.
C.
D.
12.  The change that occurs when a substance changes from a gas to a solid is referred to as:
A.
B.
C.
D.
13.  Which of these properties are all non-metals and tend to create salts with metals?
A.
B.
C.
D.
14.  As you move from the left side of the periodic table to the right side the elements become:  
A.
B.
C.
D.
15.  How is a molecular/covalent compound formed?
A.
B.
C.
D.
16.  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.
17.  The horizontal rows on the periodic table are called _______.
A.
B.
C.
D.
18.  The change that occurs when a substance changes from a solid to a gas is referred to as:  
A.
B.
C.
D.
19.  Which of these properties are shiny and good conductors of heat and electricity?
A.
B.
C.
D.
20.  What are the 2 types of compounds?
A.
B.
C.
D.
21.  What are chemical formulas used to represent?
A.
B.
C.
D.
22.  Which of these mixtures are mixed so well that the mixture looks like a substance (homogenous)?
A.
B.
C.
D.
23.  What do atoms like to have?
A.
B.
C.
D.
24.  How do you calculate the number of neutrons in an atom?
A.
B.
C.
D.
25.  How many  electrons max. are allowed in the 1st, 2nd and 3rd shell in a Bohr Diagram?
A.
B.
C.
D.
26.  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.
27.  What are the 4 types of reactions?
A.
B.
C.
D.
E.
F.
G.
H.
I.
28.  What is a polyatomic ion?
A.
B.
C.
D.
29.  Angelo required an aqueous solution of sodium chloride. He made the solution by dissolving salt in:
A.
B.
C.
D.
30.  Metals like to _____ electrons to become ____ ions.
A.
B.
C.
D.
31.  What is the formula for a gas at room temperature?
A.
B.
C.
D.
32.  What are characteristics do a ionic compound have? Choose 4.
A.
B.
C.
D.
E.
F.
33.  What is the formula for a liquid at room temperature?
A.
B.
C.
D.
34.  Water (H20) is a common compound made up of:
A.
B.
C.
D.
35.  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.
36.  How many elements are present in two molecules of aspirin? The formula for aspirin is C9H8O4.
A.
B.
C.
D.
37.  What is the key idea of the Bohr Model?
A.
B.
C.
D.
38.  Most atoms are neutral. To become a positive ion the atom must:
A.
B.
C.
D.
39.  Vitamin C identified by the chemical formula C6H8O6 (s) has:
A.
B.
C.
D.
40.  What type of change is this: A blue green lobster turned red as it cooked.
A.
B.
41.  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.
42.  What does an atom represent?
A.
B.
C.
D.
43.  What is the formula for a solid state at room temperature?
A.
B.
C.
D.
44.  What are the parts of an atom?
A.
B.
C.
D.
45.  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.
46.  Ions in the same group like to have _____ charge.
A.
B.
C.
D.
47.  The vertical columns on the periodic table are called _______.
A.
B.
C.
D.
48.  How many naturally occuring elements exist?
49.  “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.
50.  What do you call pure substances that are formed from the attraction between positive ions and negative ions?  
A.
B.
C.
D.
51.  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.
52.  Which of these properties are extremely reactive and are silvered coloured and shiny?
A.
B.
C.
D.
53.  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.
54.  What is a multivalent ion?
A.
B.
C.
D.
55.  What is an element?
A.
B.
C.
D.
56.  Since atoms are neutral, the number of electrons is equal to the number of:
A.
B.
C.
D.
57.  What is an atom?
A.
B.
C.
D.
58.  Which of these properties are uncreative, colourless and odourless in room temperature?
A.
B.
C.
D.
59.  NaHCO3 indicates one molecule of baking soda and best represents the _____ for baking soda.  
A.
B.
C.
D.
60.  Which of these mixtures can you easily see the different parts of it without a microscope (heterogeneous)?
A.
B.
C.
D.
61.  What does the word ‘atom’ mean?
62.  What are some characteristics that molecular compounds have? Choose 3.
A.
B.
C.
D.
E.
F.
63.  Which of these mixtures are easily separated with a filter and is a cloudy mixture?
A.
B.
C.
D.
64.  Non-metals like to _____ electrons to become ______ ions.
A.
B.
C.
D.
65.  What does the atomic number of an atom represent?  
A.
B.
C.
D.
66.  What is a compound?
A.
B.
C.
D.
67.  Name the molecular compound, CBr4 properly.
68.  What is the formula for a aqueous solution at room temperature?
A.
B.
C.
D.
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