Worksheetsperiodic classification
Total questions: 22
Worksheet time: 16mins
Q. __________ would have some characteristics of metals and some characteristics of nonmetals.
gold
hydrogen
bismuth
arsenic
Newlands could classify elements only upto
chlorine
copper
calcium
chromium
Which of the following set of elements is written in order of their increasing metallic character?
Na,Li,K
C,O,N
Mg,Al,Si
Be,Mg,Ca
What was the method used by Moseley in determining the atomic number of elements?
answer choices
Mass Spectrometry
X-ray Spectroscopy
NMR Spectroscopy
UV Spectroscopy
Mass spectroscopy
X-ray spectroscopy
NMR spectroscopy
UV spectroscopy
The properties of Eka aluminium is to
answer choices
Scandium
Gallium
Germanium
Boron
Scandium
Gallium
Germanium
Boron
A and B are the two elements having similar properties which obey the law of octaves. How many elements are there in between A and B ?
5
6
7
8
Which of the following elements is a representative element?
iron
beryllium
carbon
sodium
Diagonal relationship exists between
B,Si
Na, Ca
Li,Mg
O,Cl
Typical elements are from
s-block
2nd & 3rd row
Grp 1 & Grp 13
Lanthanides and Actinides
Coinage Metals are from
Group 9
Group 10
Group 11
Group 12
Lithium produces a flame of color of
light purple
crimson red
yellowish orange
apple green
Chan courtois periodic table was a
Rectangular model
Cylindrical Model
Triad model
Spiral model
The element after oganesson
ununennium
unbinilium
unununnium
bisepthexium
4d3 is from
grp 3
prd 5
grp5
prd5
grp4
prd3
grp 3
prd 4
Who created a table based on metals and non metals which was rejected after discovery of metalloids?
Proust
Lavoiser
Newland
Dalton
Trans uranic elements are
z=93
z=104
z=71
z=84
if the ionisation enthalpies of an atom are 520,675,630,10240..........
it is likely
Be
Al
Na
Cl
which is most metallic??
radon
lithium
fluorine
caesium
Q.
As you move to the right across the periodic table atoms tend to get smaller because, ______________.
the atoms have more mass.
the atoms have more neutrons
the atoms have more protons.
the atoms have more electrons.
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