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Chemistry
Test Description: Review before Test
Instructions: Answer all questions to get your test result.
1) What is NOT true about the 3 subatomic particles?
A
Electrons have a negative charge
B
Protons have a positive charge and neutrons have a negative charge
2) The periodic table is organized into specific groups and periods.
A
False
B
True
3) What is NOT true about element symbols?
A
The first letter is always capitalized
B
The second letter is always capitalized
4) Which number is the atomic number for Neon?
A
10
B
20.1797
5) Which of the following is NOT one of the categories on the periodic table?
A
Mixtures
B
Metalloids
C
Metals
D
Nonmetals
6) ____________ are the vertical columns on the periodic table, and ______________ are the horizontal rows.
A
Periods, groups
B
Groups, periods
7) Compounds are made of one atom and elements are more than one atom.
A
False
B
True
8) Which of the following is an example of an element?
A
H
B
H20
9) Which type of mixture would an ice-cold Pepsi be?
A
Homogeneous mixture
B
Heterogeneous mixture
10) Which type of mixture would a delicious bowl of Fruity Pebbles be?
A
Heterogeneous mixture
B
Homogeneous mixture
11) Which type of bond forms between a metal and a nonmetal?
A
Ionic
B
Covalent
12) Which type of bond forms between a nonmetal and a nonmetal?
A
Ionic
B
Covalent
13) How does the periodic table help you figure out what type of bond it is?
A
It tells you what group each element belongs to
B
You can tell the bond without the periodic table
14) In which bond are electrons TRANSFERRED from one atom to another?
A
Ionic
B
Covalent
15) In which bond are electrons SHARED between atoms?
A
Ionic
B
Covalent
16) What is the term for an atom with all of the same type of molecules?
A
Astronomical molecules
B
Diatomic molecules
17) If no subscript is written, then how many of that atom are in the molecule?
A
2
B
1
18) In the molecule Glucose C6H12O6 (sugar) how many atoms of Hydrogen are there?
A
12
B
6
19) In the molecule Fe2O3 (rust) how many atoms of Iron are there?
A
3
B
2
20) In the molecule H2O (water) how many TOTAL atoms are there?
A
2
B
3
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