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Elements & Compounds

For each question below, click on the circle next to the correct answer. When you are finished with the test, push the 'Score my test' button at the bottom of the page. Good luck!


Question #1
A substance that cannot be broken down into a simpler form by ordinary chemical means is called a(n)

A. element
B. compound
C. mixture
D. isotope


Question #2
The smallest unit of an element that has all the basic properties of the element is called a(n)

A. electron
B. atom
C. nucleus
D. isotope


Question #3
Which of the following has no positive or negative charge?

A. electron
B. proton
C. ion
D. neutron


Question #4
A molecule is the smallest complete unit of

A. an atom
B. an element
C. a compound
D. a nucleus


Question #5
Sea water, smog, and brass are all examples of

A. alloys
B. ionic compounds
C. mixtures
D. covalent compound


Question #6
Matter that has a definite shape and is made up of tightly packed particles is classified as a

A. solid
B. liquid
C. gas
D. plasma


Question #7
The written notation used to represent the number of atoms of each element in a compound is called the

A. periodic table
B. chemical formula
C. electron configuration
D. valence number


Question #8
A mixture in which one substance is uniformly distributed in another substance is called a(n)

A. metal
B. quark
C. isotope
D. solution


Question #9
The state of matter that has no definite shape or volume is a(n)

A. siolid
B. liquid
C. gas
D. plasma


Question #10
Protons and neutrons of an atom are located in the

A. energy levels
B. atomic number
C. neutron
D. nucleus



This test was made with free online software from Merex Corporation.