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AE-JE Foundation: General Science (Atoms, Molecules & periodic table)

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Question 1

Atomic mass of Oxygen is 16 and atomic number is 8. What is the mass in gms of 2 moles of oxygen gas?

Question 2

Which of following is the atomic number which falls in the 2nd group and the 4th period of periodic table?

Question 3

Group zero elements are known as _______.

Question 4

Atomic number of which of the following elements is greater than that of iron?

Question 5

Lother Meyers theory based on ?

Question 6

In which of the following molecules, all atoms are coplanar?

Question 7

Which of the following statements are true :
i. Atom has only positive charges, which is expressed in coulomb.
ii. An electrical phenomenon is caused by flow of free electrons from one atom to another.
iii. The characteristics of current electricity are opposite to those of static electricity.
iv. Wires are made up of conductors such as copper or aluminum.

Question 8

What is atomic number of Argon?

Question 9

In crystalline solids like diamond, the constituent particles which are non-metallic atoms are linked to the adjacent atoms by ?

Question 10

Formula that shows arrangement of atoms in a compound is called ___________.
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Aug 29AE & JE Exams

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Asha GuptaAsha GuptaMember since Mar 2021
Associate Content Developer - AE/JE Non-technical
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