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Unit 1: Structure and Properties of Matter HMH Flashcards | StudBud
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Unit 1: Structure and Properties of Matter HMH
Unit 1: Structure and Properties of Matter HMH
25 terms
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#matter #science #chemistry #properties #elements #atoms
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Questions
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Answers
1
How many electrons does Sodium (Na) have?
12
11
16
23
2
A substance that can not be broken down in a simpler substance by chemical means is
a compound
an element
a crystal
a molecule
3
The measure of the gravitational force on an object is called
volume
density
weight
mass
4
Which statement describes an example of a chemical property of a metal statue?
It can tarnish
It is shiny
It is a solid
It is copper
5
The attractive force that holds atoms together is called
molecules
chemical bonds
compounds
physical bonds
6
The density of an object with a mass of 50 grams and a volume of 2 cm
3
is...
2 g/mL
2 g/cm3
25 g/cm3
25 g/mL
7
Water and hydrochloric acid are examples of
atoms
mixtures
elements
compounds
8
Which of the following is an example of a chemical property?
Bromine is a red liquid
Chromium is a shiny metal
The boiling point of water is 100 degrees celsius
Helium does not react with other elements
9
Something that is made of only one type of matter is called
pure substance
element
mixture
atom
10
How are elements arranged in the periodic table?
By density and date of discovery
By melting point and atomic mass
By protons and electrons
By atomic number and properties
11
Anything that has mass and takes up space is called...
Density
Weight
Volume
Matter
12
Using the periodic table, which pairs of elements will have similar properties?
Sodium (Na) and Lithium (Li)
Lithium (Li) and Calcium (Ca)
Beryllium (Be) and Lithium (Li)
Sodium (Na) and Magnesium (Mg)
13
If you heat a liquid and measure the temperature at which it boils, you are measuring a(n)
chemical property
atomic property
physical property
molecular property
14
The measurement of how much mass is in a given volume is called
volume
weight
density
mass
15
H
2
O is an example of a(n)
molecule
compound
mixture
element
16
A pure substance made up of two or more different atoms is called a
mixture
molecule
element
compound
17
5kg = ______________ mg?
50,000
.0005
5,000,000
500
18
O
2
is an example of a
compound
mixture
molecule
atom
19
Which of the following is not an example of a pure substance?
hydrogen
glucose
water
a mixture of copper and silver
20
All elements are made of particles called
molecules
atoms
protons
neutrons
21
What is the ratio of carbon to hydrogen atoms in the molecule CH
4
?
4:1
1:2
1:4
2:1
22
A substance in which the particles are arranged in an orderly, geometric, and repeating pattern
compound
atom
crystal
complex molecule
23
The SI unit for distance is
the gram
the Santa Maria
the meter
the liter
24
Which statement best describes physical properties?
behave identically for all matter under the same conditions.
cause molecules to change structure when substances mix
can be observed without changing the identity of a substance
are observed by how a substance reacts with other substances
25
How many neutrons does hydrogen have?
2
0
4
1
