Classification of Elements and Periodicity in Properties

Classification of Elements and Periodicity in Properties

11th Grade

20 Qs

quiz-placeholder

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Classification of Elements and Periodicity in Properties

Classification of Elements and Periodicity in Properties

Assessment

Quiz

Chemistry

11th Grade

Medium

NGSS
HS-PS1-1, HS-PS1-2

Standards-aligned

Created by

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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