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Periodic Table Review
A property of Sulfur would be?
Xenon would be classified as a/an?
Periodic Table Review
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Answers
1
Xenon would be classified as a/an?
Alkaline earth metla
Noble gas
Halogens
Alkali Metal
2
A property of Sulfur would be?
Bright silver color
Malleable
Dull, brittle solid
High Melting point
3
Which of the following is a metal?
Iodine
Neon
Strontium
Selenium
4
How many valence electrons does Argon have?
6
7
5
8
5
How did Mendeleev organize his periodic table?
# of electrons
Atomic mass
# of energy levels
Atomic number
6
How many valence electrons does Fluorine have?
6
8
5
7
7
What period is Sulfur in?
2
17
3
16
8
How many valance electrons does Magnesium have?
1
3
2
4
9
Who published the first periodic table?
Dmitri Mendeleev
J.W. Dobereiner
Albert Einstein
Henry Moseley
10
Why does the 2nd period only contain 8 elements?
Because the 2nd energy level holds up to 2 valence electrons
Because Mendeleev said so
Because the 2nd energy level holds up to 8 valence electrons
Nobody knows why
11
Why do elements in the same group/family share similar properties?
same number of valance electrons
same number of electrons
same number of protons
Same number of neutrons
12
A characteristic of Bromine would be?
Highly reactive
Good conductor of heat
A stable gas.
High melting point
13
Which groups are considered the transition metals?
1-7
1&2
13-18
3-12
14
As you go down the periodic table, atomic radius will _______?
who knows
stay the same
increase
decrease
15
Which group is Potassium in?
noble gas
alkaline earth metals
alkali metals
halogen
16
Which period is Lithium in?
2
1
4
3
17
Which is a property associated with potassium?
Poor conductor
Brittle
Soft metal
Gas at room temperature
18
Which of these elements has the highest electronegativity?
Iodine (I)
Chlorine (Cl)
Barium (Ba)
Magnesium (Mg)
19
What is the name of the process that makes semiconductors even more conductive?
Conducting
Doping
Mashing
Lacing
20
Each period on the table ends with what family?
alkali metals
Metalloids
halogens
Noble gases
21
What family is iodine in?
noble gas
alkali metals
halogens
alkaline metals
22
What is a property of metals?
Poor conductor of heat and electricity
Great conductor of heat and electricity
Brittle solids
Mostly gases
23
Which classification of the periodic table are used for semiconductors?
gases
metals
nonmetals
metalloids
24
Which is a property of Argon?
high melting point
very reactive
unreactive
metallic
25
Group 2 elements have?
2 isotopes
2 energy levels
2 valence electrons
2 electrons
26
Who used triads to classify elements, prior to Mendeleev's first publication?
Albert Einstein
Henry Moseley
Dmitri Mendeleev
J.W. Dobereiner
27
The group 4, period 5 element is
Zirconium
Vanadium
Calcium
Chromium
28
A gas is nonreactive and very stable, how many valence electrons does it have?
8
3
7
1
29
A transition metal in the fifth period is ?
Bismuth
Tantalum
Silver
Rubidium
30
How is the modern periodic table arranged?
Atomic mass
Atomic density
Atomic melting point
Atomic number
