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2022periodictable
In which Group is Copper?
A characteristic of Group 18
2022periodictable
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Review for Periodic Table Assessment
Flashcards
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Questions
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Answers
1
A characteristic of Group 18
Used in golf clubs
Very reactive
Powders
Very stable
2
In which Group is Copper?
1
6
11
18
3
The place an element holds on the Periodic Table predicts its:
Usefulness
Future
Atomic symbol
Traits
4
92 of the elements on the Periodic Table are:
Non-metals
Metals
Naturally occuring
Synthetic or man-made
5
The sun is largely composed of this gas.
Hydrogen
Argon
Radon
Nitrogen
6
This scientist discovered that electrons move in energy shells layered around the nucleus (hint: we draw these:)
Bohr
Rutherford
Einstein
Democritus
7
Elements that have a complete valence or outer shell
have a valence of one electron
would not form compounds easily
are never Noble Gases
are highly reactive
8
Argon has a valence of this:
Two
One
Eight
Seven
9
What is the mass of Aluminum?
25
35
27
32
10
On the Periodic Table, Arsenic would be grouped as a:
Non-metal
Poison
Metal
Metalloid
11
Most elements on the periodic table are
Metals
Metalloids
Gases
Liquids at room temperature
12
This part of an atom has insignificant mass.
Electron cloud
Proton
Neutron
Nucleus
13
How many electrons does Fluorine have?
12
9
17
About 18
14
In what group will you find Boron ?
2
10
13
5
15
What is another name for all the elements found in Group 18?
Metalloids
Majestic Gasses
Noble Gasses
Solids
16
K has a valence of this:
One
Five
Eight
Two
17
The number of electrons can differ from the number of protons in an element when it's a charged particle known as an
evaporated
an isotope
an ion
mass changes
18
What is the Atomic Number of Mercury?
36
80
55
21
19
How many neutrons does Carbon have?
12
6
9
16
20
What is the symbol for Calcium
Ca
CA
C
Calcm.
21
Which elements will have characteristics similar to Sulphur?
Chlorine
Neon
Oxygen
Magnesium
22
How many protons does Chlorine have?
17
5
10
11
23
Metals make up about this much of the Periodic Table.
96%
75%
32%
23%
24
An isotope is an element with: (hint- think of why atomic masses have decimal points)
a different number of electrons in the electron cloud
a different number of neutrons in its nucleus
a different number of protons in the nucleus
on a different Periodic Table
25
Electrons must orbit on specific energy layers, but not between them. This is called:
Quantized
Stratified
On orbit
Layered
