CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Rational Numbers (definition)

The elements ...

Question

The elements having more masses were placed before elements having lower masses in Mendleev's periodic table. Guess the pair of elements (higher mass, lower mass).

A

Cobalt, Nickel

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Vanadium, Chromium

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Tellurium, Iodine

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

All of the above

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D All of the above
The elements having more masses were placed before elements having lower masses were cobalt, vanadium, tellurium. Its corresponding elements were nickel, chromium and iodine.

Suggest Corrections

thumbs-up

0

Similar questions

Q. In Mendeleev's periodic table, some elements with higher atomic masses were placed before the elements with lower atomic masses.

Elements with higher atomic masses can be placed before elements with lower atomic masses in the modern periodic table.

Q. Which of the following statement is correct in regard to the classification of elements?

(a) Elements in modern periodic table are arranged on the basis of increasing atomic masses.
(b) Elements in Mendeleev's periodic table are arranged on the basis of increasing atomic numbers.
(c) In modern periodic table, the element nickel of lower atomic mass is kept before the element cobalt of higher atomic mass.
(d) In modern periodic table, the isotopes of chlorine having different atomic masses are kept in the same group.

Q. Assertion :Mendeleev's periodic table have some demerits. Reason: There was no place for all isotopes of the elements and some heavy elements were placed before lighter elements.

Q. (a) In the modern Periodic Table, why does cobalt with higher atomic mass of 58.93 appear before nickel having lower atomic mass of 58.71?
(b) Why could no fixed position be given to hydrogen in Mendeleev's periodic table?

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

BIOLOGY

Watch in App

explore_more_icon

Explore more

Rational Numbers (definition)

Standard VIII Biology

Join BYJU'S Learning Program

CrossIcon