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Worksheetsgraduation of element
Total questions: 11
Worksheet time: 11mins
the scientist ------- who discover the nucleus of an atom contain positively charged
bohr
medeleeve
rutherford
mosely
the scientist -------------------had discovered main 7 energy
mosely
bohr
rutherford
mendeleeve
the modern periodic table consist of ---------periods ------group
18-7
7-16
7-18
7-10
elements of same period in the modern have the same -----
number of proton
number of neutrons
number of electrons
number of energy level
in periodic table the element which are identical in properties lie in a same
period
group
nucleus
energy level
the element whose atomic number =18 is
transitional
mettallic
inert gas
halogens
electronic configuration of Ca 20
(a)
g.r both sodium Na 11 and potassium k19 are located in same group
s blocl located -----------------periodic table
left sid e
middle
right
below
the element x 12 lies in ------------------the periodic table
the exam was
easy
difficult
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