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Elements & the Periodic Table 2 Flashcards | StudBud
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Elements & the Periodic Table 2
Elements & the Periodic Table 2
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review of elements and periodic table structure
Flashcards
46 cards
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Questions
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Answers
1
Silicon is best described as a ________________.
Nonmetal
Metalloid
Metal
Noble Gas
2
Which of the following is a Transition Metal?
Na
Mg
Ag
Au
3
The elements in the same family on the periodic table ____.
are in the same period
have similar chemical symbols
have the same atomic mass
have similar properties
4
All of the Group "A" elements are known as the...
Representative elements
Main elements
Noble Gases
Metals
5
If an atom has 15 electrons, how many protons will it have?
30
15
0
20
6
How does the mass number of the elements change as you move from top to bottom on the table?
Stays the same
Mass decreases
Mass increases
7
Which of the following is NOT a property common to non-metals?
dull
brittle
reactive with other elements
conduct electricity easily
8
Which element is in Group 1A?
iron
carbon
oxygen
hydrogen
9
Which of the following is a noble gas?
Br
Xe
H
Cl
10
What is the symbol for Fluorine?
Fu
F
Fn
Fl
11
In the periodic table, the most reactive metallic elements are found in _____.
Group 1, the first column on left
Periods 6 & 7 at the bottom
Groups 13-16 in the center
Period 1, the first row on the top
12
When isotopes form, they have different numbers of...
Neutrons
Protons
Nuclei
Electrons
13
Which of the following is a non-metal that is a solid?
Tin
Argon
Sulfur
Chlorine
14
Fluorine, chlorine, bromine and iodine are part of a family called _____.
noble gases
metalloids
alkali metals
halogens
15
What is the name of element "W"?
Flavorium
Antimony
Tungsten
Winnerite
16
Sodium has 11 protons, 12 neutrons and 11 electrons. What is it's atomic number?
12
11
23
22
17
This family of elements are in Group 8A.
metals
noble gases
halogens
elements in the carbon family
18
How many metalloids are there?
8
2
6
4
19
Mendeleev created the first periodic table by arranging the elements in order of _____.
increasing melting points and densities
increasing atomic mass
increasing atomic number
decreasing atomic mass
20
A vertical column on the periodic table is called a _______________.
Period
Metalloid
Family
Group
21
What is another name for the Noble Gases?
Alkali
Inert Gases
Metalloids
Halogens
22
A material is conductive if it _____.
is a mixture of metal with at least one other element
can transfer heat or electricity to another metal
can be hammered or rolled into flat sheets
can be pulled or drawn into a long wire
23
How many elements are there?
87
118
92
24
24
A horizontal row on the periodic table is called a ___________.
Period
Family
Group
Proton
25
Which of the following is a Noble Gas?
Hydrogen
Carbon
Boron
Neon
26
Which of the following statements about transition metals is true?
They are the most reactive of all types of metals
They include metals such as gold, silver and copper
They are so soft they can be cut with a knife
They are never found uncombined in nature
27
Why would it be difficult to determine the properties of a new synthetic element?
The element would not fit in the periodic table
The element would lack properties of ordinary elements
The element's nuclei would break apart very quickly
The element would combine the properties of the nuclei
28
What is the name of the 2 rows of elements that sit below the main periodic table?
Transition metals
Inner Transition metals
Halogens
Rare Earth Metals
29
What experiment did Ernest Rutherford use to find the nucleus?
Plum Pudding
Cathode Ray Tube
Gold Foil
X-Ray Crystallography
30
Which of the following is a Group 1A Alkali metal?
K
Ag
Bi
Mg
31
Which particles in atoms have a negative electric charge?
electrons
protons
neutrons
nucleus
32
In an atom, the number of protons equals the number of ____.
isotopes
neutrons
nuclei
electrons
33
What is unique about the Actinides?
They are all found in nature
They are light metals
They are all radioactive
They are gases
34
Why are Halogens so reactive?
Because they have full outer shells
Because they have 7 electrons and want 8
Because they must give up electrons
Because they have 1 extra electron
35
If a metal is easily bent or pounded into shapes, what property does it have?
It is malleable
It is ductile
It is dense
It is conductive
36
Which group contains the most elements?
metalloids
non-metals
transition elements
metals
37
Which group of elements share characteristics with both metals and non-metals?
salts
metalloids
lanthanides
halogens
38
Which subatomic particle is the smallest?
Proton
Electron
Neutron
Nucleus
39
What is another name for the Transition Metals?
Alkali Metals
Alkaline-Earth Metals
Metalloids
Heavy Metals
40
Sodium has 11 protons, 12 neutrons and 11 electrons. What is it's mass number?
22
23
11
12
41
How did chemists change Mendeleev's periodic table?
They included physical properties like density.
The used atomic number instead of atomic mass.
The included chemical properties like bonding power.
They used atomic mass instead of atomic number.
42
Which of the following is a metalloid?
F
Si
B
S
43
What information in the periodic table indicates the number of protons in an atom?
the element's atomic mass
the element's chemical symbol
the element's atomic number
the position of the element in the column
44
In an atom, the number of protons equals the number of ____.
isotopes
nuclei
neutrons
electrons
45
What is unique about noble gases?
Are non-reactive
exist as solid elements
Don't form compounds
form salts
46
Metals are on which side of the periodic table?
Near the Coopernian line
Right
Left
Near the top
