Think you’ve got your head wrapped around Chemistry Basics? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. Which particle is the smallest?
Neutrons
Protons
Electrons
Atoms
Chemical compounds
Q. A phase change is classified as a ___________.
physical change
chemical change
chemical reaction
transaction of electrons
loss of protons
Q. Which of the following represents only a physical change?
A chemical compound decomposes to form two different chemicals
Two elements combine to make a new chemical compound
A substance changes states
Two elements, both in different states, react to create a chemical compound
A chemical compound reacts with another chemical compound
Q. The two subatomic particles that make up the nucleus carry what kinds of charges?
One is positively charged and the other is negatively charged
Both are positively charged
One is positively charged and the other is neutral
One is negatively charged and the other is neutral
Both are neutral
Q. Which of the following statements about carbon atoms must be true?
All carbon atoms contain six neutrons.
All carbon atoms contain six protons.
All carbon atoms contain twelve neutrons.
All carbon atoms contain twelve protons.
None of the above statements are true...lies, lies, they are all lies.
Q. The element potassium, which is represented by the chemical symbol "K," on the periodic table is in the same family as...
the element calcium
the element carbon
the element oxygen
the element nitrogen
the element hydrogen
Q. The element fluorine has an atomic number of 9. Which of the following statements is true?
Fluorine would be to the right of neon, which has an atomic number of 10, on the periodic table.
Fluorine atoms must have nine electrons.
Fluorine is in the same family as lithium, which has an atomic number of 3.
Fluorine is to the right of oxygen, which has an atomic number of eight, on the periodic table.
Fluorine is represented by the symbol F9.
Q. Which of the following elements has atoms that contain seventeen protons?
Fluorine
Chlorine
Sodium
Carbon
Lithium
Q. Which of the following statements regarding chemical reactions is false?
All chemical reactions involve chemical change.
All chemical reactions involve changes of state.
All chemical reactions involve reactants.
All chemical reactions result in the formation of a product or products.
All chemical reactions can be represented by chemical equations.
Q. In the chemical reaction written below, which chemical compound represents a reactant? AlBr3 + 3 H2O → Al(OH)3 + 3 HBr
H2O
Al
Al(OH)3
HBr
None of the above