Classification of Elements and Periodicity in Properties

Quiz
•
Chemistry
•
11th Grade
•
Medium
Standards-aligned
Jayajothi Kumar
Used 878+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Newlands could classify elements only upto
Copper.
Chlorine.
Calcium.
Chromium.
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The most significant contribution towards the development of periodic table was made by
Mendeleev.
Avogadro.
Dalton.
Cavendish.
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The number of elements known at present is ___.
31
114
63
75
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Law of Triads was referred to as ___ relationship.
Lothar Meyer's
Mendeleev's
Newlands's
Dobereiner's
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements is incorrect for periodic classification of elements?
The properties of elements are periodic function of their atomic numbers.
Non-metallic elements are less in number than metallic elements.
For transition elements,the 3d-orbital are filled with electrons after 3p-orbitals and before 4s-orbitals
The first ionisation enthalpies of elements generally increase with increase in atomic number as we go long a period.
Tags
NGSS.HS-PS1-1
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following sets has strongest tendency to form anions?
Ga, In, Tl
Na, Mg, Al
N, O, F
V, Cr, Mn
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
French geologist A.E.B.de Chancourtois arranged the then known elements in order of ___ and made a ___ table of elements to display the periodic recurrence of properties.
increasing atomic weights; cylindrical
increasing atomic weights; rectangular
decreasing atomic weights; cylindrical
decreasing atomic weights; rectangular
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