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Atoms
Test Description: Vocabulary for Atomic Structure
Instructions: Answer all questions to get your test result.
1) The subatomic particle that moves around the nucleus is called a (an)
A
electron
B
ion
C
proton
D
neutron
2) Which subatomic particles make up the nucleus of an atom?
A
protons and neutrons
B
electrons and ions
C
protons and electrons
D
neutrons and electrons
3) The atomic number of an atom is equal to the number of
A
protons and neutrons
B
protons
C
neutrons
D
electrons and neutrons
4) All nonmetals are found
A
in groups 3- 12
B
to the left of the stair step line
C
all over the periodic table
D
to the right of the stair step line
5) An atom that has lost or gained an electron is called a (an)
A
metal
B
ion
C
isotope
D
quark
6) If a regular element has 8 protons it should have
A
9 neutrons
B
8 electrons
C
12 electrons
D
10 electrons
7) The first letter of a chemical symbol is written
A
in any manner
B
as a small case letter
C
as a Capital letter
D
in italics
8) Atoms of the same element that have a different number of neutrons and a different atomic mas are called
A
metals
B
isotopes
C
quarks
D
ions
9) If an atom has an atomic mass of 10.81 and its atomic number is 5, how many neutrons does it have?
A
16
B
11
C
5
D
6
10) If an atom has an atomic number of 7 and has 7 neutrons. What is it's atomic mass?
A
7
B
not enough information
C
21
D
14
*select an answer for all questions
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