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Chemistry Test Questions 2018
Test Description: Chem test questions
Instructions: Answer all questions to get your test result.
1) Cesium reacts with water. Which element below would most likely react with water also.
A
Magnesium
B
Neon
C
Nitrogen
D
Rubidium
2) Which of the following correctly describes how the Law of Conservation of Mass relates to a chemical reaction?
A
The change in the matter is less than the total mass you started with.
B
The reactants and products have exactly the same compounds.
C
The change in the amount of matter is equal to the amount of energy created
D
The reactants and products have the same atoms
3) Which of the following is a physical change?
A
melting an ice cube
B
burning down Mr. Goodwin's house
C
making toast
D
baking muffins
4) If I was looking at a group of elements on the periodic table that are shiny, malleable, and great conductors, which group below would I be looking at?
A
metals
B
halogens
C
metalloids
D
nonmetals
5) Which of the following is a compound
A
Nitrogen (N)
B
Ammonia (NH3)
C
Oxygen (O)
D
Argon (Ar)
6) If Potassium reacts with Oxygen to form a compound in the ratio of two Potassium to one oxygen atom. Element Q also reacts with Potassium in the ratio of two Potassium to one element Q atom. Which is most likely element X?
A
Krypton (Kr)
B
Nitrogen (N)
C
Fluorine (F)
D
Selenium (Se)
7) How many protons are in one atom of Iodine (I)?
A
15
B
53
C
67.77
D
126.90
8) What does the atomic number tell us?
A
the number of protons
B
the number of atoms
C
the number of neutrons
D
Mr. Goodwin's weight
9) Which of the following property best describes a metalloid?
A
the ability to give 1 electron during chemical bonding
B
the ability to react easily with all materials
C
the ability to be bent easily
D
the ability to conduct under the correct conditions
10) Which best describes a heterogeneous mixture?
A
it contains only one type of atom
B
it contains two or more types of particles which are easily distinguished.
C
it is composed of two or more elements in a fixed pattern
D
it is composed of two or more substances in which particles are evenly blended so you can't see them
*select an answer for all questions
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