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Year 11W3 - Lesson 23 - Exam Prep 3 Flashcards | StudBud
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Year 11W3 - Lesson 23 - Exam Prep 3
Year 11W3 - Lesson 23 - Exam Prep 3
30 terms
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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
Which one of the following elements is a noble gas?
Arsenic
Neon
Magnesium
Oxygen
2
The Noble Gas that is used to fill balloons is called?
Neon
Hydrogen
Oxygen
Helium
3
The "H" in H
2
O represents which element?
Halitosis
Hydrogen
Hallium
Helium
4
The Study of properties of substances and the changes that take place is known as
Physics
Chemisrty
Biology
Geology
5
What is chemistry?
Science
Chemicals
The study of matter and energy
All of the above
6
Which state of matter has a definite shape and a definite volume?
gas
solid
liquid
7
Elements of the same ___________ have similiar properties
Period
Group
8
What is the chemical symbol for Iron?
Ir
I
Fe
Ti
9
Which one of these elements is a transition metal?
Bromine
Boron
Carbon
Nickle
10
Who is the father of the modern atomic theory?
John Dalton
Antoine Lavoisier
Dmitri Mendeleev
Albert Einstein
11
How many Valence Electrons Does Sulfur Have?
8
2
6
16
12
Which one of these elements would form a salt if bonded with an element from group 17?
Zinc
Iodine
Carbon
Sodium
13
What are the 4 phases of matter?
Solid, Gas, Plasma, Liquid
Air, Gas, Plamsa, Liquid
Solid, Glass, Plasma, Liquid
All of the above
14
How many atoms of oxygen are in this equation? 2 KNO
3
+ H
2
CO
3
→ K
2
CO
3
+ 2 HNO
3
18
12
9
4
15
What is the atomic number of Calcium?
8
20
3
24
16
True or False: Matter cannot be created or destroyed
True
False
17
Which of the following are NOT found in an atom?
Electrons
Elements
Protons
Neutrons
18
What 4 elements did the ancient Greeks believe were in everything?
air, earth, wind, fire
poptarts, m&ms, diet coke, soup
air, earth, water, fire
air, earth, sun, water
19
A reaction in which heat is produced is called a ___________ reaction.
Instantaneous
Exothermic
Endothermic
Heliothermic
20
Everything to the left of the arrow in an chemical equation is called a
Subscript
Yield
Product
Reactant
21
Inside the Nuclues are
Neutrons Only
Protons and Neutrons
Electrons and Neutrons
Protons Only
22
A Neutron is
Neutral
Negative
Positive
23
What is the name of group 18 of the Periodic Table of Elements?
Noble Gases
Transition Metals
Alkali Metals
Alkaline Earth Metals
24
A proton is
Positive
Neutral
Negative
25
What are the basic building blocks of matter?
Atoms
Energy
Cells
Elements
26
The Period Table organizes what?
Cells
Atoms
Compounds
Elements
27
Which of the following terms describes two or more elements bonded together?
Matter
Compound
Molecule
Element
28
This group represents most of the elements of the periodic table
Non Metals
Metals
Metalloids
29
Which branch of chemistry deals with living things?
analytical chemistry
inorganic chemistry
organic chemistry
physical chemistry
30
An Electron is
Neutral
Positive
Negative