periodic table | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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periodic table

Study Slideshow

is the number of protons in the nucleus

atomic number

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the number of protons + neutrons in the atom

mass number

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.....................revolve around the nucleus in fixed orbits called.........................

electrons-energy levels

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Mendeleev classified .................... elements on 1871

67

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mendeleev arranged elements in an ascending order according to their .....................

atomic weight

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Moseley arranged elements in an ascending order according to their

atomic number

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mendeleev's periodic table contains alot of isotopes

true

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..................discovered that the nucleus of the atom contains positively charged protons.

Rutherford

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....................elements are classified in the modern periodic table , ........ elements are found naturally

116-92

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Na element with 11 atomic number.in which period and group is it?

group 1 period 3

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f-block is located on the left of the table

false -below

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