Practice Questions Periodic Table

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard

ARMANDO VIEIRA
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of the scientist who first proposed the Law of Octaves?
Mendeleev
Moseley
Newlands
Dalton
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the atomic number of an element represent?
The number of neutrons
The number of protons
The number of valence electrons
The atomic mass
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which term describes a horizontal row in the periodic table?
Group
Family
Period
Block
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which scientist discovered that elements should be arranged by atomic number instead of atomic mass?
Newlands
Mendeleev
Moseley
Bohr
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which subatomic particle plays the biggest role in determining an element’s chemical properties?
Proton
Neutron
Electron
Nucleus
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What problem did Mendeleev encounter when organizing elements by atomic mass?
Some elements seemed out of order based on their properties.
He did not know about electrons.
The noble gases had not been discovered yet.
He included too many elements.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do elements in the same group have similar properties?
They have the same atomic number.
They have the same number of valence electrons.
They have the same mass number.
They are all metals.
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