MCQ Exam: Chemistry Quiz! Trivia

10 Questions | By R_martinez | Last updated: Mar 20, 2022 | Total Attempts: 106

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Do you think chemistry is important? If the answer you said was yes, you would be correct. Chemistry is studying matter and energy and their relationship to each other in different settings or environments. Everything you hear, see, smell, and taste involves chemistry and chemicals. Chemistry also helps us know which household chemicals are hazardous to keep together or combine and safely used. This quiz will take you into the fun and exciting world of chemistry.

Questions and Answers

1.

Like the one below, chemical equations must be balanced. This shows that
- A.
  
  The atoms on the reactant side are changed into different atoms on the products side.
- B.
  
  the chemical reaction is not reversible.
- C.
  
  the chemical reaction is reversible.
- D.
  
  The number of atoms in the reactants is equal to the number of atoms in the product.
2.

In the chemical reaction between hydrochloric acid () and calcium carbonate (), which of the following elements cannot be part of the products?
- A.
  
  Carbon (C)
- B.
  
  nitrogen (N)
- C.
  
  Chlorine (Cl)
- D.
  
  hydrogen (H)
3.

Which of the following is an example of a chemical reaction?
- A.
  
  Tearing paper
- B.
  
  Evaporating water
- C.
  
  Baking a cake
- D.
  
  coloring a picture
4.

Lithium, a highly reactive metal, is a member of the alkali metals. Use the periodic table to determine which element would have chemical properties that are similar to lithium.
- A.
  
  sodium
- B.
  
  Carbon
- C.
  
  Oxygen
- D.
  
  Mercury
5.

Which element on the periodic table has physical properties MOST similar to the physical properties of chlorine?
- A.
  
  Sodium
- B.
  
  Oxygen
- C.
  
  Carbon
- D.
  
  Florine
6.

Which BEST describes the form an element in Group 18 on the periodic table takes at room temperature?
- A.
  
  A shiny solid
- B.
  
  a dark liquid
- C.
  
  a gas
- D.
  
  A clear mix of liquid and solid
7.

The diagram below illustrates the basic structure of an atom. What is wrong with the diagram?
- A.
  
  Neutrons should have a positive charge.
- B.
  
  Electrons are found outside the nucleus.
- C.
  
  Protons should have a negative charge.
- D.
  
  Neutrons are not found in the nucleus.
8.

Xenon is a gas at room temperature. Because of the arrangement of the periodic table, which other element can BEST be predicted to share this physical property?
- A.
  
  Potassium
- B.
  
  Rubidium
- C.
  
  iodine
- D.
  
  krypton
9.

Which of the following determines the identity of an element?
- A.
  
  atomic number
- B.
  
  mass number
- C.
  
  Atomic mass
- D.
  
  Overall change
10.

Which element has a valence electron configuration most similar to that of bromine (Br)?
- A.
  
  Zinc (Zn)
- B.
  
  Sulfur (S)
- C.
  
  Fluorine (F)
- D.
  
  Krypton (Kr)