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Periodic Table And Atoms Part One
Test Description: This test is based on 8th grade science TEKS 8.5A and 8.5B. It addresses atoms, and the periodic table of the elements.
Instructions: Answer all questions to get your test result.
1) The atomic mass of an atom is mostly made up of the subatomic particles located in the _________ of the atom.
A
nucleus
B
energy shells
C
energy levels
D
electron cloud
2) The smallest particle of an element that maintains the properties of that element is a/an
A
atom
B
element
C
compound
D
molecule
3) The atomic number of an atom is the number of _________ in the nucleus of that atom.
A
protons, neutrons and electrons
B
neutrons
C
protons and neutrons
D
protons
4) The atomic number is used to determine the _________ of the element in the Periodic Table.
A
charge
B
size
C
position
D
mass
5) Protons and neutrons have a similar mass and size. That mass is _______.
A
100 amu
B
1 amu
C
10 amu
D
1000 amu
6) Electrons are significantly _________ in mass and size than protons and neutrons.
A
gianter
B
smaller
C
heavier
D
larger
7) A particle that is smaller than atom, such as a proton, neutron, or electron is a ____________.
A
subatomic particle
B
element
C
piece of dust
D
molecule
8) a negatively charged particle in the electron cloud surrounding the atomic nucleus is a/an
A
neutron
B
electron
C
proton
D
molecule
9) A positively charged particle within the atomic nucleus is a/an
A
proton
B
molecule
C
electron
D
neutron
10) A neutral particle with no electrical charge within the atomic nucleus is a/an
A
molecule
B
electron
C
proton
D
neutron
11) The nucleus is the ______________ charged center of an atom containing the protons and neutrons.
A
neutrally
B
positively
C
radiantly
D
negatively
12) The nucleus of an atom is positively charged because:
A
the only subatomic particle inside of it are the neutrons.
B
there are no subatomic particles inside of it.
C
it is a mystery of science and no one really knows why.
D
the only electrically charged subatomic particles inside of it are the protons.
13) The nucleus:
A
makes up the MASS of the atom.
B
is found orbiting the electron cloud.
C
contains all of the subatomic particles.
D
creates the electron cloud.
14) The negatively charged space that surrounds the atomic nucleus is the ____________.
A
electron cloud
B
proton cloud
C
molecular cloud
D
neutron cloud
15) The electron cloud:
A
is located within the nucleus.
B
contains the electrons and protons.
C
makes up the majority of the VOLUME of the atom.
D
contains the protons and neutrons.
16) An atom is mostly comprised of _____________________.
A
gases
B
empty space
C
plasma
D
molecules
17) Valence electrons are located in the _________________.
A
energy level closest to the nucleus
B
outermost energy level.
C
protons.
D
nucleus
18) The conceptual model in which the elements are organized according to their properties is the ______________________.
A
Periodic Book of the Elements
B
Periodic Table of the Elements
C
Periodic List of the Elements.
D
Periodic Menu of the Elements
19) All matter is made up _____________.
A
atoms
B
imagination
C
solids
D
phases of matter
20) The lightest element is ____________.
A
Helium
B
Francium
C
Radon
D
Hydrogen
*select an answer for all questions
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