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IS9 Chemistry Review Flashcards | StudBud
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IS9 Chemistry Review
IS9 Chemistry Review
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Intro Chem
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
The _____ number is the amount of protons or electrons in an atom.
Atomic
Mass
Jersey
Phone
2
What is the basic building block of an element?
Matter
Proton
Atom
Electron
3
True/False - The Noble Gases are stable because they have 8 valence electrons.
True
False
4
Lead is an example of a
Mixture
Compound
Element
Pencil
5
All living and nonliving things are made of
air
elements
water
soil
6
A collection of elements on the periodic table with similar properties are....
Tables
Group
Periods
Compounds
7
The atomic mass (mass number) of an element is equal to ______
# protons
# of neutrons+protons
# of electrons
# of electrons+protons
8
What is the symbol for Iron?
Fe
I
Ir
Fr
9
Which is NOT a property of most metals?
conductors
solid
gas
shiny
10
Which element has the atomic number 14?
Silicon
Xenon
Carbon
Gold
11
NaCl is an example of a
Element
Liquid
Compound
Mixture
12
Metals in group #1 (column) are known to be the least reactive metals on the periodic table.
False
True
13
How many valence electrons do the atoms in Group 2 (column) have?
4
3
2
1
14
A malleable metal means?
It can be shaped with pressure
it conducts electricity
it has a high melting point
it is very reactive
15
Element is
made up of compounds and mixtures
made of different types of atoms
made up of the same type of atoms
is not on the periodic table
16
What is the symbol for copper?
C
Co
Cu
17
What is the atomic mass of Na?
7
22.99
14.007
11
18
True or False: There are more metals than non-metals on the periodic table.
True
False
19
Where are electrons found?
bewteen the nucleus and electron cloud
In the nucleus
electrons don't exist
Electron cloud
20
There can be up to ____ electrons in the 2nd energy shell.
8
2
4
18
21
An atom is made up of proton, electron, and ________
Oxygen
Matter
DNA
Neutron
22
A covalent bond means the atoms
share electrons
gain or lose protons
gain or lose electrons
are a sea of electrons
23
How many valence electrons does this atom have?
2
4
6
5
24
Which type of bond has a "sea of electrons"?
Ionic
Covalent
Ironic
Metallic
25
Which would NOT help something dissolve faster?
freezing it
adding heat
stirring
26
The periodic table has vertical columns called ________
Periods
Rows
Tables
Groups/ families
27
What is the atomic number of Hg?
8
180
18
80
28
True/False - Electrons are in the nucleus.
False
True
29
An ionic bond means an atom either gains or loses electrons
False
True
30
How many valence electrons are in Carbon?
6
8
4
2
31
Sodium catches fire when it hits water. What is happening?
Conducting
A reaction
Magic
Lustering
32
Reactive means ________
Man-made
Strong emotions
Responds to other elements
Reflects light
33
When two or more atoms of hydrogen combine, they form a
element
molecule
pyramid
circle
34
What periodic group (column) is Chlorine (Cl) located in?
7
1
17
18
35
A proton has a _______ charge
Neutral (No Charge)
Positive
Negative
Electric
