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Chapter 8 Test A Review - Round 1
Test Description: Chapter 8 Review - Test A
Instructions: Answer all questions to get your test result.
1) The particles that make up an atom are _____?
A
protons, neutrons, electonics
B
neutrons, electrons, protons
C
electrinos, neutrinos, protons
D
protons, neutrinos, electrons
2) The rows on the periodic table are called _____.
A
families
B
groups
C
periods
D
synthetic
3) The columns on the periodic table are called _____.
A
groups
B
tables
C
charts
D
periods
4) A _____ is also known as a family.
A
ion
B
period
C
atom
D
group
5) _____ are used in bonding.
A
Molecular electrons
B
Inert electrons
C
Stable
D
Valence electrons
6) Draw a Bohr model for Lithium on your paper. Raise your hand and wait for Mrs. Muroski or Mrs. Nugent to check your answer.
A
Is it this one?
B
or this one?
C
or this one?
D
or this one?
7) Valence electrons are located _____.
A
on the outermost energy level
B
on the energy level closest to the nucleus
C
on the innermost energy level
D
inside the nucleus
8) How do you determine the number of valence electrons?
A
Look at the mass number
B
Look at the atomic number
C
Look at the period number
D
Look at the group number
9) How can you easily find the number of energy levels?
A
Look at the group number
B
Look at the period number
C
Look at the atomic number
D
Look at the mass number
10) Dot diagrams are used to represent _____.
A
the nucleus
B
valence electrons
C
neutrons
D
protons
11) For an atom to become stable, an element needs _____ electrons in its outermost energy level, except hydrogen and helium.
A
2
B
16
C
10
D
8
12) Draw an Electron Dot Diagram (EDD) for Carbon on your paper. Raise your hand to have Mrs. Muroski or Mrs. Nugent check your answer.
A
Is it this one?
B
or this one?
C
or this one?
D
or this one?
13) Fill in the atomic structure for Potassium on your paper. Raise your hand to have Mrs. Muroski or Mrs. Nugent check your answer.
A
or this one?
B
Is it this one?
C
or this one?
D
or this one?
14) The force that holds two or more atoms together is called _____.
A
chemical rope
B
chemical formula
C
chemical bond
D
chemical diagram
15) An atom will bond with other atoms to become _____.
A
electrified
B
incomplete
C
unstable
D
stable
16) A _____ is an atom that is no longer neutral because it has gained or lost electrons.
A
neutrino
B
ion
C
nucleus
D
radio
17) Which element is found in Group 2, Period 3?
A
aluminum
B
magnesium
C
calcium
D
mercury
18) Which of the following is an example of a compound?
A
carbon
B
helium
C
iron
D
water
19) The maximum number of electrons that can fit on the second energy level is _____.
A
18
B
32
C
8
D
2
20) A combination of chemical symbols and numbers is called a(n) _____.
A
atom
B
chemical symbol
C
nucleus
D
chemical formula
*select an answer for all questions
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