What substance is an element?
CHM 1020 Final Exam Review

Quiz
•
Chemistry
•
University
•
Hard

Joanne Anslow
Used 1+ times
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
NO2
NaCl
N2
CH4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The most numerous of the element types on the periodic table are
metals
nonmetals
metalloids
noble gases
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A substance that can be broken down into two or more simpler substances by chemical methods is called a(n)
element
mixture
compound
isotope
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many protons does the sodium ion, Na1+, have?
10
11
12
13
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balance the following reaction: _____H2 + _____O2 → _____H2O
1, 2, 1
1, 2, 1
1, 1, 2
2, 1, 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for aluminum oxide?
Al2O3
AlO
Al3O2
Al2O2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary component of an exhaled breath?
O2
N2
CO
H2O
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