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Questions and Answers
What is the main distinguishing factor between different chemical elements?
What is the main distinguishing factor between different chemical elements?
- The number of electrons in their atoms
- The size of their atoms
- The number of protons in their atoms (correct)
- The number of neutrons in their atoms
What is the consequence of an atom having more electrons than protons?
What is the consequence of an atom having more electrons than protons?
- It becomes electrically neutral
- It becomes negatively charged (correct)
- It becomes a different chemical element
- It becomes positively charged
What makes it impossible to see atoms with conventional microscopes?
What makes it impossible to see atoms with conventional microscopes?
- Their small size (correct)
- Their complex structure
- Their electromagnetic nature
- Their rapid movement
What is the main reason for the nucleus of an atom being positively charged?
What is the main reason for the nucleus of an atom being positively charged?
What are atoms with the same number of protons but different number of neutrons called?
What are atoms with the same number of protons but different number of neutrons called?
Where is more than 99.94% of an atom's mass located?
Where is more than 99.94% of an atom's mass located?
What is an atom called when it has more protons than electrons?
What is an atom called when it has more protons than electrons?
What force attracts the electrons of an atom to the protons in the atomic nucleus?
What force attracts the electrons of an atom to the protons in the atomic nucleus?
What force is usually stronger than the electromagnetic force that repels the positively charged protons from one another?
What force is usually stronger than the electromagnetic force that repels the positively charged protons from one another?
Under certain circumstances, what force becomes stronger than the nuclear force, leading to nuclear decay?
Under certain circumstances, what force becomes stronger than the nuclear force, leading to nuclear decay?
What kind of compounds can atoms form by attaching to one or more other atoms?
What kind of compounds can atoms form by attaching to one or more other atoms?
What science studies the ability of atoms to attach and detach from each other, responsible for most physical changes observed in nature?
What science studies the ability of atoms to attach and detach from each other, responsible for most physical changes observed in nature?
Where does the word 'atom' originate from?
Where does the word 'atom' originate from?
What did John Dalton use to refer to the discrete units of weight with which chemical elements combine?
What did John Dalton use to refer to the discrete units of weight with which chemical elements combine?
What is the primary purpose of JEE Main?
What is the primary purpose of JEE Main?
What is the main purpose of JEE Advanced?
What is the main purpose of JEE Advanced?
What is the relationship between JEE Main and JEE Advanced?
What is the relationship between JEE Main and JEE Advanced?
What do JEE Main and JEE Advanced open the gates to?
What do JEE Main and JEE Advanced open the gates to?
How many total attempts are allowed for JEE Main?
How many total attempts are allowed for JEE Main?
What is the eligibility criteria for JEE Advanced?
What is the eligibility criteria for JEE Advanced?
What is the language of the JEE Advanced exam?
What is the language of the JEE Advanced exam?
How many papers are there in the JEE Main exam?
How many papers are there in the JEE Main exam?
What types of questions are included in JEE Advanced?
What types of questions are included in JEE Advanced?
What is the duration of the JEE Main exam?
What is the duration of the JEE Main exam?
How many total attempts are allowed for JEE Advanced?
How many total attempts are allowed for JEE Advanced?
What subjects are covered in Paper 1 of JEE Main?
What subjects are covered in Paper 1 of JEE Main?
What is the main difference between the eligibility criteria of JEE Main and JEE Advanced?
What is the main difference between the eligibility criteria of JEE Main and JEE Advanced?
What makes it impossible to see atoms with conventional microscopes?
What makes it impossible to see atoms with conventional microscopes?
What force attracts the electrons of an atom to the protons in the atomic nucleus?
What force attracts the electrons of an atom to the protons in the atomic nucleus?
Where is more than 99.94% of an atom's mass located?
Where is more than 99.94% of an atom's mass located?
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