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Matter
Matter
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Students are reviewing learned concepts on matter, its properties, and changes.
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
How does the modern atomic model describe the location of the electrons in an atom?
within the electron cloud
in fixed rings circling around the nucleus
in and on the outside of the nucleus
within the nucleus
2
Which of the following substances is a base?
vinegar
lemon juice
water
dish soap
3
How do you describe matter?
Matter determines how much some thing weighs.
Matter is the smallest unit of measurement.
Matter is anything that takes up space.
Matter is composed of solid particles
4
Which state of matter has strong attractive forces between particles?
solid
gas
plasma
liquid
5
Which of the following is true for elements listed in the same group of the periodic table?
They all have atoms of the same size
The masses of their atoms are similar
They have the same number of protons
They have similar chemical properties
6
An example of a physical change is
a piece of paper burning.
mixing flour, sugar, and water.
a nail rusting.
a piece of fruit rotting.
7
Which of the following is a chemical change?
boiling water
cutting paper
rusting iron
melting ice
8
During the process of melting from solid to a liquid, what happens to the temperature of it?
It stays constant
It increases
It increases and then decreases.
It decreases
9
Which compound contains the greatest number of different elements?
CFCl3
C22H46
CH4
NaCl
10
What can be used to separate a mixture?
conductivity
magnetism
volume
mass
11
A substance will move...
in any direction
in most directions
from cold to hot
from hot to cold
12
What happens during a physical change?
New substances form.
The identity of the substance is changed.
A chemical reaction occurs.
A substance may look or feel different.
13
Weight depends on the location of an object, but its mass does not.
true
false
14
Citrus fruit usually have a pH less than 7. Based on this, you can say that citrus fruits are
acids
electrically charged
neutral
bases
15
Which of these substances could be separated by physical means?
solution
pure substance
compound
element
16
Which is NOT a subatomic particle on an atom?
proton
electron
neutron
nucleus
17
From the picture, which is this an example of?
liquid
solid
gas
plasma
18
The atomic theory states that
all matter is made of tiny particles
particles are not in motion
particles are in constant motion
atoms are divided
19
What can you do to wood to cause a chemical change?
break it
saw it
cut it
burn it
20
Which state of matter does NOT have a definite shape or definite volume?
liquid
plasma
gas
solid
