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Class 10 Practice - Level 3 -Periodic Classification Of Elements - Set 1
Total questions: 15
1.
Which of the following elements has the highest second ionization energy?
Lithium
Beryllium
Boron
Carbon
None
2.
Which of the following transition metals has the highest melting point?
Chromium
Molybdenum
Tungsten
Iron
None
3.
Which of the following elements is a member of the actinide series?
Lanthanum
Cerium
Uranium
Neodymium
None
4.
Which of the following elements has the most negative electron affinity?
Fluorine
Chlorine
Bromine
Iodine
None
5.
Which of the following elements has the highest electronegativity in the third period?
Sodium
Silicon
Sulphur
Chlorine
None
6.
Which element has an atomic number of 92?
Thorium
Protactinium
Uranium
Neptunium
None
7.
Which group of the periodic table contains the least reactive elements?
Group 1
Group 17
Group 18
Group 2
None
8.
Which of the following elements has the highest first ionization energy?
Lithium
Beryllium
Boron
Neon
None
9.
Which element in group 15 has the highest ionization energy?
Nitrogen
Phosphorus
Arsenic
Antimony
None
10.
Which of the following elements is most likely to exhibit variable oxidation states?
Sodium
Magnesium
Iron
Argon
None
11.
Which of the following elements has the electron configuration [Kr]4d¹⁰5s²5p²?
Tin
Antimony
Tellurium
Iodine
None
12.
Which of the following elements has the least metallic character in group 14?
Carbon
Silicon
Germanium
Tin
None
13.
Which of the following elements is the most reactive non-metal in group 17?
Fluorine
Chlorine
Bromine
Iodine
None
14.
Which of the following elements has the lowest electron affinity?
Sodium
Magnesium
Aluminium
Phosphorus
None
15.
Which of the following elements is a lanthanide?
Hafnium
Thulium
Rhenium
Polonium
None
1 out of 15
Time's up
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