Using evidence from many experiments, he inferred that atoms were like smooth, hard balls that could be broken into smaller pieces.

Grdae 8 Elements and the Periodic Table

Quiz
•
Mathematics
•
8th Grade
•
Medium
Ruel Ramirez
Used 8+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
John Dalton
Democritus
Ernest Rutherford
Niels Bohr
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A Danish Scientist suggested that electrons move in specific orbits around the nucleus of an atom.
John Dalton
Democritus
Ernest Rutherford
Niels Bohr
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
It is the number of protons in the nucleus of an atom.
atomic mass
chemical symbol
atomic number
elements
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which type of element conducts electricity?
Metal
Non-metal
Metalloid
Gas
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which type of element shines when light strikes it?
Metal
Non-metal
Metalloid
Halogen
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the spontaneous emission of radiation by an unstable atomic nucleus called?
Fission
Fusion
Radioactivity
Ionization
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Who observed that uranium exposure to sunlight could fog photographic film plates?
Albert Einstein
Marie Curie
Henri Becquerel
Niels Bohr
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