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Periodic Table layout Flashcards | StudBud
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Periodic Table layout
Periodic Table layout
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How is the Periodic Table organized and who did it?
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
Name the element at period 4, group 3.
magneiusm
argon
scandium
no element there
2
Which element would you expect to be the
least
reactive?
iron
iodine
potassium
neon
3
What is true about copper, silver, and gold?
all metalloids
similar chemical properties
all alkaline earth metals
all in the same period
4
What is the halogen in period 2?
helium
chlorine
fluorine
magneiusm
5
D. Mendeleev organized the first Periodic Table according to atomic _____.
mass
isotopes
energy levels
number
6
What is a chemical property of all noble gases?
inert
colorless
highly reactive
odorless
7
H. Moseley "fixed" Mendeleev's problems by arranging elements by increasing atomic _____.
number
mass
electromagnetism
force
8
This group contains the elements sodium and potassium.
halogens
transition metals
alkaline earth metals
alkali metals
9
This scientist discovered many elements beyond uranium and determined their placement.
J. Dalton
J.J. Thomson
G. Seaborg
H. Moseley
10
Which non-metal would you expect to be the
most
reactive?
helium
lithium
chlorine
nitrogen
