ADV 8th Benchmark Review 2-b Question Preview (ID: 12819)
Review Game For Science 8th Benchmark 2.
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Which property of aluminum makes it a suitable metal for soft drink cans?
a) It has good electrical conductivity
b) It can be hammered into thin sheets (malleability)
c) It can be drawn into long thin wires (ductility)
d) It can reflect light (shininess)
What element has an atomic number of 18?
a) hydrogen
b) oxygen
c) fluorine
d) argon
Use the periodic table. An atom of fluorine has 10 neutrons. What is the total number of particles in this atom?
a) 9 protons and 9 electrons
b) 9 protons and 19 electrons
c) 10 protons and 10 electrons
d) 19 protons and 19 electrons
Which elements are inert gases?
a) oxygen, fluorine and neon
b) sulfur, chlorine and argon
c) oxygen, fluorine and chlorine
d) neon and argon
The three particles that make up an atom are
a) protons, neutrons and nuclei
b) protons, neutrons and electrons
c) electrons, energy levels and isotopes
d) electrons, elements and compounds
A substance made of two or more elements chemically combined in a set ratio is a(n)
a) mixture
b) ion
c) compound
d) solid
What would happen if a solid substance gains enough energy so that it melts completely
a) The particles remain locked together in the same shape.
b) The particles spread out into a layer that fills the bottom part of the container
c) The particles would spread apart widely and fill the entire container
d) The particles would chemically change into new substances
Which is the most correct analogy for the behavior of particles in a gas
a) You playing soccer
b) You at the movies
c) You in a classroom
d) You and your family coming out of a movie theater
How many protons are in the nucleus of an atom of Phosphorous?
a) 31
b) 27
c) 15
d) 5
Where in the periodic table are metals found?
a) only in the two rows below the main table
b) to the right of the zigzag line
c) to the left of the zigzag line and in the two rows below the main table
d) to the right of the zigzag line and in the two rows below the main table
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