what is a homogeneous mixture?

mixtures that are uniform in composition

definite volume and no definite shape

What is an intensive/intrinsic property?

Do not depend on the amount of matter that is present

no definite volume or definite shape

what is a heterogeneous mixture?

mixtures that are not uniform throughout

elements that have characteristics of metals and nonmetals

What do you study when you study chemistry?

Matter and the changes matter undergoes

what is qualitative data?

data that is not numbers based, and is instead observations

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Chapter 1: Matter and Change

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Practice for the Chapter 1 Test

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Questions 30

Answers

1
what is quantitative data?
data that is not numbers based, and is observations
data you write down
data that is numbers based
2
what type of elements are good electrical and heat conductors?
noble gases
nonmetals
mettaloids
metals
3
which of the following is a physical change?
melting ice
burning wood
allowing a nail to rust
letting milk turn sour
4
What is a solid?
definite volume and definite shape
definite volume no definite shape
no definite volume or definite shape
5
What is the smallest component of an element having the chemical properties of the element?
mass
element
matter
atom
6
What is a blend of two or more kinds of matter, each of which retains its own identity?
pure substance
mixture
change of state
solid
7
what has fixed composition with each sample having exactly the same properties and composition?
liquid
a pure substance
homogeneous mixture
heterogeneous mixture
8
What is mass?
How much weight something has
Amount of space an object takes up
How long something is
Amount of matter something has
9
T or F: A compound is a substance made from atoms of two or more elements not chemically bonded
False
True
10
what are the horizontal rows of the elements on the periodic table called?
groups
families
periods
none of the above
11
what type of element is a poor conductor of heat and electricity?
noble gases
metalloids
metals
nonmetals
12
What is an element?
a pure substance made of only one kind of atom
anything that has mass and takes up space
smallest unit that maintains the same properties
substance made from atoms of two or more elements bonded
13
what are vertical columns on the periodic table called?
groups/families
groups/periods
none of the above
periods/families
14
what is a homogeneous mixture?
fixed composition w/ each sample having the same properties
anything that has mass and takes up space
mixtures that are uniform in composition
mixtures that are not uniform in composition
15
What is a liquid?
definite volume and definite shape
definite volume and no definite shape
no definite volume or definite shape
16
which of the following is not a noble gas?
krypton
helium
hydrogen
argon
17
What is an intensive/intrinsic property?
a characteristic that can be observed and measured
Do not depend on the amount of matter that is present
a change in the substance that does not change the identity
Depend on the amount of matter that is present
18
What is a gas?
definite volume and definite shape
no definite volume or definite shape
definite volume and no definite shape
19
Which is an example of an extensive/extrinsic property?
color
malleability
volume
density
20
what is a heterogeneous mixture?
mixtures that are uniform throughout
anything that has mass and takes up space
mixtures that are not uniform throughout
an element that has characteristics of metals and nonmetals
21
what are two features that distinguish matter?
weight and volume
mass and velocity
weight and velocity
mass and volume
22
A chemical change occurs when:
salt deposits form from evaporated sea water
dissolved minerals solidify to form a crystal
ethanol is purified through distillation
a leaf changes color
23
A change in a substance that does not involve a change in the identity of a substance
chemical property
physical property
physical change
chemical change
24
what are substances that are formed by a chemical change called?
mixture
reactants
pure substance
product
25
T or F: All of the properties listed are intrinsic/intensive: melting point, density, hardness
False
True
26
what are metalloids?
elements that have no charge and are gases normally
elements that have characteristics of metals and nonmetals
elements that are bad conductors of heat and elecricity
elements that are good conductors of heat and electricity
27
A change in which one or more substances are converted into different substances
physical change
chemical change
physical property
chemical property
28
What do you study when you study chemistry?
How and why things explode when you combine them
Matter and its motion through space and time
Matter and the changes matter undergoes
Life and how life interacts with the world around it
29
what is qualitative data?
data that is not numbers based, and is instead observations
data that is numbers based
data you write down
30
Anything that has mass and takes up space
matter
element
Something you can measure
mass

Chapter 1: Matter and Change Flashcards | StudBud