quiz related questions for class 8 ....
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here are some questions-
1.
Elements with atomic numbers higher than 92 are not natural but can be created by man or____________,by crashing nuclear particles into each other.
A.
Pounded
B.
Combined by radioactivity
C.
Synthesized
D.
A particle accelerator
E.
Compounded
2.
All semimetals are solids at room temperature, however nonmetals tend to be ________.
A.
Liquids
B.
Gases
C.
Melting
D.
Decaying
E.
Solid but soon turn into gas
3.
Which part of the periodic table are the diatomic molecules, or molecules that have two atoms found?
A.
Right
B.
They are scattered all over the periodic table
C.
Left
D.
They are not on the periodic table
E.
Undetermined
4.
What is a beta particle?
A.
A fully charged particle with two protons and two neutrons.
B.
A particle that is broken into four slices and they recombine after photosyntisis.
C.
A fast moving electron that is given off from the nucleus during radioactive decay.
D.
The amount of particles total in an atom.
5.
If a metal reacts violently with water it is most likely in group _____ of the periodic table.
A.
1
B.
7
C.
6
D.
17
E.
14
6.
What are the elements in group 3-12 called?
A.
Atomic metals
B.
Alkaline earth metals
C.
Alkali metals
D.
Transition metals
E.
Semi metals
7.
Most of the metals that surronund the zigzag line on the periodic table are?
A.
Semimetals
B.
Transition metals
C.
Alloys
D.
Acids
E.
Bases
8.
What are the major differences between the halogen family and the inert gases?
A.
Halogen is reactive inert gases are not
B.
They do not have any differences
9.
True or False:sodium and potassium are the two most important alkali metals
A.
True
B.
False
10.
True or False:the chemical symbol of an element is the number of neutrons the element has.
A.
True
B.
False
11.
True or False:The atomic number is the number of protons an atom has.
A.
True
B.
False
12.
True or False:nonmetals are bad conductors of electricity.
A.
True
B.
False
13.
True or False:semiconductors can only conduct electricity under certain conditions.
A.
True
B.
False
14.
Who's theory?Atoms cannot be created or destroyed in any chemical change but they can be rearranged.
A.
Charlse
B.
Mendeleev
C.
Rutherford
D.
Dalton
E.
Thompson
15.
Which is in the correct order
A.
Democratis, dalton, rutherford, thompson, bhor, cloud, modern.
B.
Dalton, thompson, rutherford, bhor, cloud, modern, democratis.
C.
Democratis, dalton, thompson, rutherford, bhor, cloud, modern.
D.
Thompson, dalton, bhor, rurtherford, democratis, modern, cloud.
E.
None of the above
16.
Which group of metals reacts violently with the metas from group one?
A.
14
B.
15
C.
3
D.
17
E.
3-12
17.
Which is an example of a semiconductor?
A.
Rubber
B.
Silicon
C.
Plastic
D.
Wood
here are some questions-
1.
Elements with atomic numbers higher than 92 are not natural but can be created by man or____________,by crashing nuclear particles into each other.
A.
Pounded
B.
Combined by radioactivity
C.
Synthesized
D.
A particle accelerator
E.
Compounded
2.
All semimetals are solids at room temperature, however nonmetals tend to be ________.
A.
Liquids
B.
Gases
C.
Melting
D.
Decaying
E.
Solid but soon turn into gas
3.
Which part of the periodic table are the diatomic molecules, or molecules that have two atoms found?
A.
Right
B.
They are scattered all over the periodic table
C.
Left
D.
They are not on the periodic table
E.
Undetermined
4.
What is a beta particle?
A.
A fully charged particle with two protons and two neutrons.
B.
A particle that is broken into four slices and they recombine after photosyntisis.
C.
A fast moving electron that is given off from the nucleus during radioactive decay.
D.
The amount of particles total in an atom.
5.
If a metal reacts violently with water it is most likely in group _____ of the periodic table.
A.
1
B.
7
C.
6
D.
17
E.
14
6.
What are the elements in group 3-12 called?
A.
Atomic metals
B.
Alkaline earth metals
C.
Alkali metals
D.
Transition metals
E.
Semi metals
7.
Most of the metals that surronund the zigzag line on the periodic table are?
A.
Semimetals
B.
Transition metals
C.
Alloys
D.
Acids
E.
Bases
8.
What are the major differences between the halogen family and the inert gases?
A.
Halogen is reactive inert gases are not
B.
They do not have any differences
9.
True or False:sodium and potassium are the two most important alkali metals
A.
True
B.
False
10.
True or False:the chemical symbol of an element is the number of neutrons the element has.
A.
True
B.
False
11.
True or False:The atomic number is the number of protons an atom has.
A.
True
B.
False
12.
True or False:nonmetals are bad conductors of electricity.
A.
True
B.
False
13.
True or False:semiconductors can only conduct electricity under certain conditions.
A.
True
B.
False
14.
Who's theory?Atoms cannot be created or destroyed in any chemical change but they can be rearranged.
A.
Charlse
B.
Mendeleev
C.
Rutherford
D.
Dalton
E.
Thompson
15.
Which is in the correct order
A.
Democratis, dalton, rutherford, thompson, bhor, cloud, modern.
B.
Dalton, thompson, rutherford, bhor, cloud, modern, democratis.
C.
Democratis, dalton, thompson, rutherford, bhor, cloud, modern.
D.
Thompson, dalton, bhor, rurtherford, democratis, modern, cloud.
E.
None of the above
16.
Which group of metals reacts violently with the metas from group one?
A.
14
B.
15
C.
3
D.
17
E.
3-12
17.
Which is an example of a semiconductor?
A.
Rubber
B.
Silicon
C.
Plastic
D.
Wood
mathematics101:
thanks
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