Test #2 Quiz! Study Guide Flashcards | StudBud

Test #2 Quiz! Study Guide

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Vocabulary and concept review for Unit II: The Nature of Matter.

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Questions 50

Answers

1
Endothermic reactions absorb energy.
True
False
2
Discovered energy levels of atoms
Bohr
Chadwick
Thomson
Rutherford
3
Milk
Homogeneous Mixture
Pure Element
Pure Compound
Heterogeneous Mixture
4
Democritus came up with the Atomic Theory of Matter.
False
True
5
All diatomic elements are nonmetals.
False
True
6
Melting is a physical property.
True
False
7
Average atomic mass exists because of...
Isotopes
Ions
Elements
Compounds
8
The ability to do work.
Mass
Matter
Energy
Density
9
Burning is a chemical change.
False
True
10
Where electrons are located around the nucleus.
Nowhere
Everywhere
On Electrodes
On Energy Levels
11
He discovered electrons.
Rutherford
Chadwick
Thomson
Bohr
12
Gas particles spread apart from each other.
True
False
13
Atoms have no charge.
False
True
14
Tap water is a pure compound.
False
True
15
A nail rusting.
Physical Property
Chemical Change
Physical Change
Chemical Property
16
Atoms are the smallest particles in the Universe.
True
False
17
Atoms of different elements are NOT identical.
True
False
18
Highly energized gas that emits light.
Liquid
Solid
Plasma
Methane
19
Positively charged subatomic particle.
Electron
Neutron
Positron
Proton
20
The sound of an ambulance siren.
Chemical Change
Physical Property
Chemical Property
Physical Change
21
Graphite
Heterogenous Mixture
Pure Element
Homogeneous Mixture
Pure Compound
22
Digesting food
Chemical Change
Chemical Property
Physical Property
Physical Change
23
Anions have more electrons than protons.
False
True
24
Ozone is a....
Diatomic Element
Monatomic Element
Polyatomic Element
Compound
25
Phase change from gas to solid.
Melting
Deposition
Condensation
Sublimation
26
All metals react with acid.
True
False
27
Solids have definite shape and definite volume.
False
True
28
Atoms are indivisible.
True
False
29
All metals are monatomic elements.
True
False
30
Dalton came up with the concept of atoms.
False
True
31
Definite volume, indefinite shape.
Solid
Plasma
Gas
Liquid
32
All compounds are molecules.
False
True
33
Sublimation is a chemical change.
False
True
34
The amount of matter making up an object.
Energy
Mass
Density
Volume
35
Dissolving is a chemical change.
False
True
36
Some elements are molecules.
True
False
37
Density is a chemical property.
False
True
38
Protons + Neutrons
Atomic Symbol
Atomic Mass
Average Atomic Mass
Atomic number
39
The ratio between an object's mass and volume.
Weight
Matter
Density
Energy
40
All stars are plasmas.
False
True
41
Gas bubbles form without boiling.
Physical Property
Physical Change
Chemical Change
Chemical Property
42
Formed when atoms lose electrons.
Onions
Cations
Dogions
Anions
43
Plasmas emit light.
True
False
44
Different forms of the same type of atom.
Isotopes
Cations
Anions
Compounds
45
The study of matter.
Geology
Biology
Chemistry
Physics
46
Substances composed of 1 type of atom only.
Elements
Heterogeneous Mixtures
Compounds
Homogeneous Mixtures
47
Diatomic elements are also...
Molecules
Minerals
Metals
Compounds
48
Discovered the nucleus of atoms.
Thomson
Rutherford
Dalton
Chadwick
49
Anions are formed when atoms lose protons.
False
True
50
All atoms of the same element are identical.
False
True