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Chemistry Review
Chemistry Review
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An introduction to chemistry
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
True or False: Matter cannot be created or destroyed
False
True
2
What are the basic building blocks of matter?
Energy
Elements
Atoms
Cells
3
Which state of matter has a definite shape and a definite volume?
solid
gas
liquid
4
How many Valence Electrons Does Sulfur Have?
8
16
2
6
5
Inside the Nuclues are
Protons and Neutrons
Electrons and Neutrons
Protons Only
Neutrons Only
6
Who is the father of the modern atomic theory?
Albert Einstein
Dmitri Mendeleev
Antoine Lavoisier
John Dalton
7
Which branch of chemistry deals with living things?
physical chemistry
inorganic chemistry
analytical chemistry
organic chemistry
8
The Period Table organizes what?
Atoms
Cells
Elements
Compounds
9
A reaction in which heat is produced is called a ___________ reaction.
Exothermic
Endothermic
Instantaneous
Heliothermic
10
Elements of the same ___________ have similiar properties
Period
Group
11
Everything to the left of the arrow in an chemical equation is called a
Reactant
Yield
Subscript
Product
12
This group represents most of the elements of the periodic table
Non Metals
Metals
Metalloids
13
What 4 elements did the ancient Greeks believe were in everything?
air, earth, water, fire
air, earth, wind, fire
poptarts, m&ms, diet coke, soup
air, earth, sun, water
14
The Study of properties of substances and the changes that take place is known as
Physics
Biology
Chemisrty
Geology
15
What is the name of group 18 of the Periodic Table of Elements?
Alkali Metals
Alkaline Earth Metals
Transition Metals
Noble Gases
16
Which one of the following elements is a noble gas?
Magnesium
Oxygen
Neon
Arsenic
17
A Neutron is
Positive
Negative
Neutral
18
Which one of these elements would form a salt if bonded with an element from group 17?
Sodium
Iodine
Zinc
Carbon
19
The "H" in H
2
O represents which element?
Hallium
Halitosis
Helium
Hydrogen
20
What is the chemical symbol for Iron?
I
Fe
Ti
Ir
21
The Noble Gas that is used to fill balloons is called?
Oxygen
Hydrogen
Helium
Neon
22
How many atoms of oxygen are in this equation? 2 KNO
3
+ H
2
CO
3
→ K
2
CO
3
+ 2 HNO
3
18
4
9
12
23
What are the 4 phases of matter?
Solid, Gas, Plasma, Liquid
Solid, Glass, Plasma, Liquid
All of the above
Air, Gas, Plamsa, Liquid
24
What is chemistry?
Science
All of the above
The study of matter and energy
Chemicals
25
What is the atomic number of Calcium?
24
20
3
8
26
Which of the following terms describes two or more elements bonded together?
Compound
Matter
Element
Molecule
27
A proton is
Neutral
Positive
Negative
28
An Electron is
Positive
Negative
Neutral
29
Which of the following are NOT found in an atom?
Elements
Protons
Neutrons
Electrons
30
Which one of these elements is a transition metal?
Bromine
Boron
Carbon
Nickle
