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