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Class – 10 Practice Level 3 – Periodic Classification Of Elements set – 2
Total questions: 15
1.
Which of the following elements has the highest third ionization energy?
Magnesium
Aluminium
Silicon
Phosphorus
None
2.
Which of the following transition metals has the lowest density?
Iron
Copper
Titanium
Zinc
None
3.
Which of the following elements is not a member of the lanthanide series?
Samarium
Gadolinium
Hafnium
Dysprosium
None
4.
Which of the following elements has the least negative electron affinity?
Nitrogen
Oxygen
Fluorine
Neon
None
5.
Which of the following elements has the highest melting point in the fourth period?
Potassium
Calcium
Iron
Gallium
None
6.
Which element has an atomic number of 26?
Chromium
Manganese
Iron
Cobalt
None
7.
Which group of the periodic table contains elements that are all diatomic in their natural state?
Group 1
Group 2
Group 17
Group 18
None
8.
Which of the following elements has the highest second ionization energy?
Sodium
Magnesium
Aluminium
Silicon
None
9.
Which element in group 14 has the highest electronegativity?
Carbon
Silicon
Germanium
Tin
None
10.
Which of the following elements is most likely to exhibit a +4 oxidation state?
Titanium
Vanadium
Chromium
Manganese
None
11.
Which of the following elements has the electron configuration [Xe]4f¹⁴5d¹⁰6s²6p²?
Lead
Bismuth
Polonium
Radon
None
12.
Which of the following elements has the highest metallic character in group 13?
Boron
Aluminium
Gallium
Indium
None
13.
Which of the following elements is the least reactive alkali metal?
Lithium
Sodium
Potassium
Rubidium
None
14.
Which of the following elements has the lowest first ionization energy in group 15?
Nitrogen
Phosphorus
Arsenic
Antimony
None
15.
Which of the following elements is a member of the lanthanide series?
Hafnium
Tantalum
Ytterbium
Rhenium
None
1 out of 15
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