How did chemists change Mendeleev’s periodic table in the early 1900s?

Periodic Table Basics

Quiz
•
Physics
•
9th Grade
•
Hard
Carolyn Andrews
Used 2+ times
FREE Resource
27 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
They included chemical properties such as bonding power.
They included physical properties such as melting point and density.
They used atomic mass instead of atomic number to organize the elements.
They used atomic number instead of atomic mass to organize the elements.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The elements in a column of the periodic table
have similar properties.
are in the same period.
have the same atomic mass.
have very similar chemical symbols.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What information in the periodic table indicates the number of protons in an atom?
the position of the element in its column
the element’s chemical symbol
the element’s atomic number
the element’s atomic mass
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Most metals are NOT
ductile.
good conductors of heat and electricity.
liquid at room temperature.
malleable.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which group contains the most elements?
semimetals
nonmetals
metals
transition elements
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the periodic table, the most reactive metals are found
in Group 1, the first column on the left.
in Period 1, the first row across the top.
in Groups 13 through 16 in the center.
in Periods 6 and 7 at the bottom.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The elements that do not ordinarily form compounds are
elements in the carbon family.
metals.
halogens.
inert gases.
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