Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the maximum number of electrons that can be present in the outermost orbit?
What is the maximum number of electrons that can be present in the outermost orbit?
- 8 (correct)
- 2
- 6
- 10
What is valency?
What is valency?
- The combining capacity of the atoms of an element (correct)
- The number of neutrons in an atom
- The number of electrons in an atom
- The number of protons in an atom
What is the valency of elements having 5 electrons in the valence shell?
What is the valency of elements having 5 electrons in the valence shell?
- 2
- 3 (correct)
- 1
- 5
What is the sum of protons and neutrons present in an atom known as?
What is the sum of protons and neutrons present in an atom known as?
Signup and view all the answers
What are isotopes?
What are isotopes?
Signup and view all the answers
If an element has 3 electrons in its valence shell, what is its valency?
If an element has 3 electrons in its valence shell, what is its valency?
Signup and view all the answers
What is the maximum number of electrons that can be present in the second shell of an atom?
What is the maximum number of electrons that can be present in the second shell of an atom?
Signup and view all the answers
How many protons are present in an atom with atomic number 20?
How many protons are present in an atom with atomic number 20?
Signup and view all the answers
If an isotope of carbon has a mass number of 14, how many neutrons does it have?
If an isotope of carbon has a mass number of 14, how many neutrons does it have?
Signup and view all the answers
What is the valency of an element with 6 electrons in its valence shell?
What is the valency of an element with 6 electrons in its valence shell?
Signup and view all the answers
