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WorksheetsLesson 1 and 2 Quiz
Total questions: 20
Worksheet time: 17mins
Which process is responsible for the formation of elements at the center of star?
Nuclear fusion
Supernova nucleosynthesis
Big Bang Nucleosynthesis
Stellar Nucleosynthesis
According to Bohr’s atomic theory/model, electrons are usually found in:
(a)
An isotope of an element has the same number of neutrons but different number of protons:
TRUE
FALSE
What is the full name of J.J. Thomson?
(a)
Which isotope of hydrogen consists of one proton and one neutron?
(a)
Solid Sphere Model was developed after J.J. Thomson discovered the electron in his Cathode Ray Tube experiment.
TRUE
FALSE
Ernest Rutherford discovered that atoms were mostly
Negatively charged
Positively charged
Neutrally charged
Empty space
Which element is the lightest and at the same time the most abundant in outer space?
Oxygen
Hydrogen
Nitrogen
Helium
How do heavier elements formed?
Through nuclear fission
Through nuclear fusion
Through combustion
Through nuclear synthesis
Which element will be formed when Carbon atom is combined with Hydrogen atom?
Magnesium
Oxygen
Nitrogen
Silicon
An element is determined by the number of:
Neutrons
Positrons
Protons
Nucleus
The majority of an atom's mass exists where?
In the nucleus
In the electron cloud
In the space between the nucleus and the electrons
Which process is responsible for the formation of light elements such as Hydrogen and Helium?
Supernova Nucleosynthesis
Big Bang Nucleosynthesis
Stellar Nucleosynthesis
Stellar Explosion
Place the following scientists in order, from earliest to latest: A) Ernest Rutherford; B) J.J. Thomson; C) John Dalton
B, C, A
C, A, B
A, C, B
C, B, A
The following elements were formed during Stellar Explosion, EXCEPT:
Cobalt
Silicon
Zinc
Copper
Bohr's atomic model is also commonly known as the ...
(a)
The atomic model that describes an atom as a “sea of uniform positive charge” with electrons distributed throughout is often called the (a) model
Who discovered that electrons move around the nucleus in specific energy levels as a cloud?
(a)
Who proposed that matter is composed of four elements?
(a)
Who confirmed the existence of the neutron-- a particle with no electric charge?
(a)
