Download Study Island Copyright © 2012 Study Island

Study Island
Copyright © 2012 Study Island - All rights reserved.
Generation Date: 11/30/2012
Generated By: Bill Wieners
1. What is the chemical symbol for Boron?
A. Ba
B. Bo
C. Br
D. B
2. What is the chemical symbol for Carbon?
A. Ca
B. C
C. Co
D. Cb
3. What is the chemical symbol for Magnesium?
A. Mn
B. Hg
C. Me
D. Mg
4. Which elements are represented by the symbols S and Na?
A. sulfur and nitrogen
B. silicon and nitrogen
C. silicon and sodium
D. sulfur and sodium
5. How many elements are found in the following chemical equation?
K + Cl → KCl
A. 1
B. 2
C. 0
D. 3
6. About 99% of the Earth's atmosphere is made up of _______ and _______.
A. oxygen; hydrogen
B. nitrogen; oxygen
C. carbon dioxide; oxygen
D. carbon dioxide; nitrogen
7. What is the smallest particle of an element that still retains properties of that element?
A. molecule
B. compound
C. mixture
D. atom
8. The diagrams below illustrate models of various chemical compounds.
The diagrams suggest that compounds must be
A. made up of oxygen and one other chemical element.
B. made up of two or more of the same chemical elements only.
C. made up of two or more different chemical elements.
D. made up of only one chemical element.
9. Which of the following elements is abundant in living matter?
A. iron
B. carbon
C. chlorine
D. helium
10. What is the smallest part of an element that still retains properties of that element?
A. mixture
B. compound
C. molecule
D. atom
11. What is the chemical symbol for Silver?
A. Fe
B. Ag
C. Ir
D. Au
12. Which element has the symbol Ni?
A. Sodium
B. Nickel
C. Tungsten
D. Nitrogen
13. The element oxygen, represented by the symbol O, is classified as
A. a solution.
B. a pure substance.
C. a compound.
D. a mixture.
14. What is a compound?
A. a pure substance in which the atoms of three or more elements are chemically combined
B. a mixture of two or more elements that do not combine chemically
C. a mixture of two or more elements that retains the essential properties of each element
D. a pure substance in which the atoms of two or more elements are chemically combined
15. Which of the following is true about a compound and its elements?
A. The properties of a compound are the same as the properties of its elements.
B. The elements all share identical properties, but their properties are different than the
compound's properties.
C. The properties of a compound are different than the properties of its elements.
D. The compound shares identical properties with one element, but all the other elements
have different properties.
16. Hydrogen is a pure substance represented by the chemical symbol H. Which of the following
best describes hydrogen?
A. Hydrogen is an element made of two or more kinds of atoms.
B. Hydrogen is an element made of only one kind of atom.
C. Hydrogen is a compound made of only one kind of atom.
D. Hydrogen is a compound made of two or more kinds of atoms.
17. Which of the following elements is commonly found in the Earth's crust, living matter,
oceans, and atmosphere?
A. mercury
B. nitrogen
C. chlorine
D. gold
18. Carbon (C) and hydrogen (H) are pure substances. Each is made of only one type of atom,
but carbon atoms are different from hydrogen atoms. Carbon and hydrogen chemically combine
to form methane (CH4).
Based on this information,
A. methane is an element and carbon and hydrogen are compounds.
B. carbon and hydrogen are elements and methane is a compound.
C. carbon, hydrogen, and methane are all elements.
D. carbon, hydrogen, and methane are all compounds.
19. Which element has the symbol Ti?
A. Thallium
B. Tellurium
C. Titanium
D. Tin
20. Which element has the symbol Pb?
A. Potassium
B. Mercury
C. Lead
D. Platinum
21. Which is a substance made up of only one kind of atom?
A. a solution
B. a compound
C. a mixture
D. an element
22. Which of the following elements makes up a large portion of the Earth's solid crust?
A. nitrogen
B. gold
C. hydrogen
D. silicon
23. There are about _______ known elements, but most of the atmosphere is made up of
only _______ of these elements.
A. 82; five
B. 110; two
C. 55; three
D. 1,000; eight
24. About 99% of the solid Earth is made up of
A. a small fraction of the known elements.
B. just one of the known elements.
C. about half of the known elements.
D. most of the known elements.
25. Most of the ocean is made up of _______ element(s).
A. nine
B. two
C. one
D. three
26. Which of the following is a compound?
A. H
B. Sn
C. Mg
D. CO
27. About 75% of living matter is made up of which two essential chemicals?
A. nitrogen and oxygen
B. silicon and oxygen
C. hydrogen and oxygen
D. copper and carbon
28. Sea salt, which is mostly chloride and sodium, makes up about 3.5% of the world's oceans.
Which chemical makes up the remaining 96.5% of the world's oceans?
A. CH4
B. O2
C. CO2
D. H2O
29. Which element has the symbol Ar?
A. Americium
B. Antimony
C. Arsenic
D. Argon
30. NH3 is an example of
A. an element.
B. a compound.
C. a mixture.
D. an atom.