8th Grade Science Quiz

18 Questions  I  By Hot2datxreme
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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.
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B.
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2.  All semimetals are solids at room temperature, however nonmetals tend to be ________.
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D.
E.
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3.  Who created the first periodic table?
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4.  Which part of the periodic table are the diatomic molecules, or molecules that have two atoms found?
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5.  What is a beta particle?
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6.  If a metal reacts violently with water it is most likely in group _____ of the periodic table.
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7.  What are the elements in group 3-12 called?
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8.  Most of the metals that surronund the zigzag line on the periodic table are?
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9.  What are ┬áthe major differences between the halogen family and the inert gases?
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10.  True or False:sodium and potassium are the two most important alkali metals
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11.  True or False:the chemical symbol of an element is the number of neutrons the element has.
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12.  True or False:The atomic number is the number of protons an atom has.
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13.  True or False:nonmetals are bad conductors of electricity.
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14.  True or False:semiconductors can only conduct electricity under certain conditions.
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15.  Who's theory?Atoms cannot be created or destroyed in any chemical change but they can be rearranged.
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16.  Which is in the correct order
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17.  Which group of metals reacts violently with the metas from group one?
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18.  Which is an example of a semiconductor?
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Quiz Comments (3)
very very helpful!!!!
It was nice
ahay
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