stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Ch. 5: The Modern Periodic Table Academic Flashcards | StudBud
Explore
/
Ch. 5: The Modern Periodic Table Academic
Ch. 5: The Modern Periodic Table Academic
24 terms
·
StudBud Administration
·
476 plays
The history of the periodic table and how it is set up.
Flashcards
24 cards
F
Practice quiz
P
Host live
L
Questions
24
Answers
1
Scientist that discovered the noble gases and added a new group to the table.
Meyer
Mendeleev
Ramsay
2
What scientist developed the law of octaves?
Mendeleev
Moseley
Newlands
3
Worked on periodic table same time as Mendeleev. Organized elements by atomic volume.
Moseley
Meyer
Mendeleev
4
The number of valence electrons in group 17 are...
8
17
7
5
The physical/chemical properties of the elements are periodic functions of their atomic #'s...
Elemental law
Periodic law
Group Law
6
The discovery of the noble gases changed Mendeleev's periodic table by adding a new...
Group
Sub-level
Period
7
In period 3, there are 8 elements. What sublevel(s) is (are) being filled?
s and d
s and p
s
8
Which of the following statements is true?
Mendeleev left "gaps" in PT to account for missing elements
Modern PT developed at First International Congress of Chem
Mendeleev arranged the elements by increasing atomic number
9
The elements whose electron configurations end with s
2
p
5
, it belongs to group
17
3
7
10
The majority of the Periodic Table is made up of what?
Metalloids
Nonmetals
Metals
11
Father of the Periodic Table. Left gaps for undiscovered elements.
Mendeleev
Ramsay
Moseley
12
What group does letter D represent?
Alkaline earth metals
Lanthanides
Alkali metals
13
The period of an element can be determined from its...
Reactivity
Symbol
Electron configuration
14
The most reactive group of nonmetals is the
Halogens
Noble gases
Lanthanides
15
Scientist that discovered atomic #, organized PT by this. Made the table as we see it today.
Mendeleev
Moseley
Ramsay
16
Elements in a group or column in the periodic table can be expected to have similar
Atomic masses
Properties
Atomic numbers
17
When mixing two compounds together, we know if there is a reaction because
They melt
The solution stays the same.
The solution becomes cloudy/changes colors
18
What group does letter C represent?
Main group elements
Haloges
Lanthanides
19
What is letter I showing?
Transition metals
Lanthanides
Actinides
20
In the modern periodic table, elements are ordered....
According to Mendeleev's original design.
According to increasing atomic number.
According to decreasing atomic mass.
21
Compared to the alkali metals, the alkaline-earth metals...
Are less dense.
Have lower melting points
Are less reactive.
22
Which scientist organized the elements into triads?
Dobereiner
Berzelius
Newlands
23
What is the group and period for Arsenic (in that order: group, period)?
15, 4
15, 5
4, 15
24
What scientist determined the symbols for the known elements?
Newlands
Dobereiner
Berzelius
