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Ch. 5: The Modern Periodic Table Applied Flashcards | StudBud
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Ch. 5: The Modern Periodic Table Applied
Ch. 5: The Modern Periodic Table Applied
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The history of the periodic table and how it is set up.
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Questions
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Answers
1
The discovery of the noble gases changed Mendeleev's periodic table by adding a new...
Group
Sub-level
Period
2
Scientist that discovered the noble gases and added a new group to the table.
Meyer
Moseley
Mendeleev
Ramsay
3
The most reactive group of nonmetals is the
Halogens
Lanthanides
Noble gases
4
Elements in a group or column in the periodic table can be expected to have similar
Atomic numbers
Properties
Atomic masses
5
Compared to the alkali metals, the alkaline-earth metals...
Are less reactive.
Are less dense.
Have lower melting points
6
The majority of the Periodic Table is made up of what?
Metals
Nonmetals
Metalloids
7
What does letter B represent?
Lanthanides
Transition metals
Actinides
Main-group elements
8
The first member of the noble gas family that consists of an octet of electrons is
Argon
Neon
Helium
9
The physical/chemical properties of the elements are periodic functions of their atomic #'s...
Periodic law
Group Law
Elemental law
Chemical law
10
Worked on periodic table same time as Mendeleev. Organized elements by atomic volume.
Meyer
Moseley
Ramsay
Mendeleev
11
What is letter I showing?
Actinides
Transition metals
Main-group elements
Lanthanides
12
In the modern periodic table, elements are ordered....
According to decreasing atomic mass.
According to Mendeleev's original design.
According to increasing atomic number.
13
The number of valence electrons in group 17 are...
7
17
8
14
Which of the following statements is true?
Mendeleev left "gaps" in PT to account for missing elements
Mendeleev arranged the elements by increasing atomic number
Modern PT developed at First International Congress of Chem
15
What group does letter C represent?
Haloges
Main group elements
Lanthanides
16
What group does letter D represent?
Alkali metals
Alkaline earth metals
Lanthanides
Actinides
17
There are 7 of these elements that are touching the stair-step line on two sides...
Metalloids
Nonmetals
Metals
18
Father of the Periodic Table. Left gaps for undiscovered elements.
Mendeleev
Moseley
Meyer
Ramsay
19
Scientist that discovered atomic #, organized PT by this. Made the table as we see it today.
Mendeleev
Moseley
Ramsay
Meyer
20
Choose the answer with the correct group and period number for Arsenic, As.
Group 15, Period 4
Group 4, Period 5
Group 14, Period 5
