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Chemistry S1 Test
Chemistry S1 Test
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Questions
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Answers
1
The rule that states that atoms gain, lose, or share electrons in order to obtain 8 electrons
Avogadro's Law
Ionic Rule
Scientific Law
Octet Rule
2
What is the smallest particle that retains it's identity?
Proton
Neutron
Atom
Electron
3
Which has properties of both metals and nonmetals?
Metals
Elements
Metalloids
Atoms
4
What is the charge of a proton?
Neutral
Negative
Positive
5
Is water a heterogeneous or homogeneous mixture?
Homogeneous
Heterogeneeous
6
In a reaction, the catalyst is:
A reactant
Both
A product
Neither
7
What is "Ag" in this picture?
Mass number
Symbol
Atomic number
8
Which comes after the arrow in a reaction?
Reactant
Product
Catalyst
9
What type of reaction is this?
Synthesis
Decomposition
Double Replacement
Single Replacement
10
What is Avogadro's number?
6.22 x 10^13
6.02 x 10^23
6.02 x 10^13
6.22 x 10^23
11
Which of the following is an ion with a negative charge?
Neutron
Election
Anion
Cation
12
Which is the variable that the scientist changes?
Changing variable
Responding variable
Manipulated variable
Experiment variable
13
What type of reaction is one substance breaking into two or more?
Synthesis
Double replacement
Decomposition
Single replacement
14
What speeds up a reaction but is not used up?
Synthesis
Cation
Catalyst
Product
15
Which type of property is boiling point?
Intensive
Extensive
Chemical
Physical
16
Organic chemistry studies any chemical containing:
Hydrogen
Energy
Oxygen
Carbon
17
What type of charge does a neutron have?
Positive
Negative
Neutral
18
Which of the following means the closeness of measurements?
Precision
Accuracy
19
Which type of mixture is the same throughout?
Homozygous
Homogeneous
Heterogeneous
Heterozygous
20
What forms new products during a reaction?
Catalysts
Elements
Reactants
Products
21
Which part of the scientific method that is proved to be true?
Scientific law
Hypothesis
Synthesis
Theory
22
Which of the following is an ion with a positive charge?
Election
Cation
Anion
Neutron
23
What type of reaction is this?
Double Replacement
Single Replacement
Synthesis
Decomposition
24
Which of the following is NOT an area of chemistry?
Bioanalytical
Organic
Physical
Biochemistry
25
What is the unit of molar mass?
meter
gram
liter
g/mol
26
Which of the following is NOT a subatomic particle?
neutron
anion
electron
proton
27
_____P
4
+ _____ O
2
--> _____ P
2
O
5
Decomposition
Single Replacement
Double Replacement
Synthesis
28
Which of the following is NOTpart of the scientific method?
Testing the hypothesis
Developing a theory
Proving a scientific law
Making a hypothesis
29
Which of the following is NOT a state of matter?
Gas
Solid
Metal
Liquid
30
What is "108" in this picture?
Atomic number
Symbol
Mass number
31
____Al + _____ FeO --> _____ Al
2
O
3
+_____ Fe
Synthesis
Double Replacement
Decomposition
Single Replacement
32
How many shapes are in the p orbital?
1
3
7
5
33
What is the unit of mass?
meter
gram
g/mol
liter
34
Which means that you are getting the true value of what is being measured?
Accuracy
Precision
35
Is oil and vinegar salad dressing a heterogeneous or homogeneous mixture?
Heterogeneeous
Homogeneous
36
Which type of property is color?
Intensive
Chemical
Extensive
Physical
37
____Ag
2
S -->_____Ag + _____S
8
Synthesis
Double Replacement
Single Replacement
Decomposition
38
What is the name for anything that has mass and takes up space?
Atom
Liter
Matter
Molecule
39
Which scientist changed chemistry from a science of observation to a science of measurement?
Dobereiner
Rutherford
Lavoisier
Mendeleev
40
What type of reaction is this?
Decomposition
Double Replacement
Single Replacement
Synthesis
41
Which law states that mass can be neither created nor destroyed?
Law of definite proportions
Law of conservation of matter
Law of multiple proportions
Law of conservation of mass
42
_____SiO
2
+_____ HF -->_____H
2
O + _____SiF
4
Decomposition
Single Replacement
Double Replacement
Synthesis
43
Which of the following is not true of metals?
Malleable
Solid at room temperature
Ductile
Poor conductors
44
What is the unit of length?
meter
liter
g/mol
gram
45
What type of reaction is this?
Synthesis
Double Replacement
Single Replacement
Decomposition
46
Which is the variable that is dependent on the manipulated variable?
Manipulated variable
Responding variable
Experiment variable
Changing variable
47
What is the unit of volume?
liter
g/mol
gram
meter
48
Which of the following is a good explanation of something?
Theory
Scientific Law
Synthesis
Product
49
What is the name for the systematic approach scientists use to solve problems?
Problem Solving
Scientific Experiments
Scientific Law
Scientific Method
50
Which type of mixture has two or more phases?
Heterogeneous
Homogeneous
Homozygous
Heterozygous
51
Which two are ALWAYS equal?
Atomic number and number of protons
Atomic number and number of neutrons
Number of protons and number of electrons
Number of neutrons and number of electrons
52
Which of the following is an example of a chemical change?
Crumpling a piece of paper
Cutting hair
Melting an ice cube
Car rusting
53
Which of the following is an example of a physical change?
Burning wood
Baking a cake
Cutting paper
Dying hair
54
What changes in a chemical change?
Color
Composition
Texture
Number of electrons
55
Which is NOT a class of elements?
Metals
Nonmetals
Metalloids
Catalysts
56
What is the unit of mass?
gram
meter
liter
g/mol
57
Type of bond between positive and negative ions
Single Replacement
Combustion
Ionic bond
Covalent bond
58
What is "47" in this picture?
Symbol
Mass number
Atomic number
59
Atoms of the same element with different masses
Catalyst
Isotope
Element
Cation
60
What is the simplist form of matter with a unique set of properties?
Compound
Atom
Element
Molecule
61
What are the substances at the beginning of reactions?
Products
Isotopes
Catalysts
Reactants
62
Is a bowl of Skittles a heterogeneous or homogeneous mixture?
Homogeneous
Heterogeneous
63
Which of the following subatomic particles has a negative charge?
Neutron
Proton
Electron
64
Type of bond between two atoms that share an electron
Combustion
Ionic bond
Single Replacement
Covalent bond
65
Which of the following is proven and true 100% of the time?
Scientific Law
Synthesis
Theory
Reaction
