30 Questions
What is the main distinguishing factor between different chemical elements?
The number of protons in their atoms
What is the consequence of an atom having more electrons than protons?
It becomes negatively charged
What makes it impossible to see atoms with conventional microscopes?
Their small size
What is the main reason for the nucleus of an atom being positively charged?
The presence of protons
What are atoms with the same number of protons but different number of neutrons called?
Isotopes
Where is more than 99.94% of an atom's mass located?
In the nucleus
What is an atom called when it has more protons than electrons?
Positive ion
What force attracts the electrons of an atom to the protons in the atomic nucleus?
Electromagnetic force
What force is usually stronger than the electromagnetic force that repels the positively charged protons from one another?
Nuclear force
Under certain circumstances, what force becomes stronger than the nuclear force, leading to nuclear decay?
Electromagnetic force
What kind of compounds can atoms form by attaching to one or more other atoms?
Molecules or crystals
What science studies the ability of atoms to attach and detach from each other, responsible for most physical changes observed in nature?
Chemistry
Where does the word 'atom' originate from?
Greek word atoma
What did John Dalton use to refer to the discrete units of weight with which chemical elements combine?
Atoms
What is the primary purpose of JEE Main?
To get admission to government-sponsored technical colleges like NITs and IIITs
What is the main purpose of JEE Advanced?
To get admission to the IITs
What is the relationship between JEE Main and JEE Advanced?
A candidate must pass JEE Main to appear for JEE Advanced
What do JEE Main and JEE Advanced open the gates to?
Top engineering institutions in India
How many total attempts are allowed for JEE Main?
3
What is the eligibility criteria for JEE Advanced?
Ranked among the top 2,00,000 JEE Main rank holders
What is the language of the JEE Advanced exam?
English and Hindi
How many papers are there in the JEE Main exam?
3
What types of questions are included in JEE Advanced?
MCQs and Numerical Type Questions
What is the duration of the JEE Main exam?
3 Hours
How many total attempts are allowed for JEE Advanced?
2
What subjects are covered in Paper 1 of JEE Main?
Physics, Chemistry, and Mathematics
What is the main difference between the eligibility criteria of JEE Main and JEE Advanced?
Passing JEE Main
What makes it impossible to see atoms with conventional microscopes?
Their small size
What force attracts the electrons of an atom to the protons in the atomic nucleus?
Electromagnetic force
Where is more than 99.94% of an atom's mass located?
Nucleus
Test your knowledge about atoms, protons, neutrons, electrons, isotopes, and the distinctions between different chemical elements based on their proton count.
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