science
Grade-9
Easy
Question
The outer most shell or orbit of an atom is called as ______
Hint:
The outermost shell of an atom is called the valence shell and it has valence electrons.
The correct answer is: Valence shell
- The electrons are distributed around the nucleus in orbits called shells
- The electrons in the outermost shell are responsible for the reactivity of an atom
- These electrons in the outermost shell are called valence electrons and the shell is called a valence shell.
Related Questions to study
science
According to Bohr’s model, the electrons in the orbits revolve around the nucleus in a_________ path.
According to Bohr’s model, the electrons in the orbits revolve around the nucleus in a_________ path.
scienceGrade-9
science
During transition when the electrons jump from higher energy level to lower energy level, then that energy is _________.
During transition when the electrons jump from higher energy level to lower energy level, then that energy is _________.
scienceGrade-9
science
Why only α-particle is used for the Rutherford experiment?
Why only α-particle is used for the Rutherford experiment?
scienceGrade-9
science
Rutherford compare atom with:
Rutherford compare atom with:
scienceGrade-9
science
According to Rutherford nuclear model of atom, very few particles are bounced back, this is because: (Analyze/evaluate)
According to Rutherford nuclear model of atom, very few particles are bounced back, this is because: (Analyze/evaluate)
scienceGrade-9
science
What is the electronic configuration of Chloride ion?
What is the electronic configuration of Chloride ion?
scienceGrade-9
science
How many numbers of valence electrons are there in potassium ion?
How many numbers of valence electrons are there in potassium ion?
scienceGrade-9
science
The outermost shell of an atom or an element is called:
The outermost shell of an atom or an element is called:
scienceGrade-9
science
Which of the following is not the drawback of Rutherford’s atomic model?
Which of the following is not the drawback of Rutherford’s atomic model?
scienceGrade-9
science
According to Rutherford, α-particles gets deflected by:
According to Rutherford, α-particles gets deflected by:
scienceGrade-9
science
Who came to conclusion that whole mass is concentrated at the center of the atom.
Who came to conclusion that whole mass is concentrated at the center of the atom.
scienceGrade-9
science
Which of the following statements were not given by Rutherford model of atom?
Which of the following statements were not given by Rutherford model of atom?
scienceGrade-9
science
What is the electronic configuration of chromium?
What is the electronic configuration of chromium?
scienceGrade-9
science
How many numbers of electrons are there in the 3rd shell of phosphorus?
How many numbers of electrons are there in the 3rd shell of phosphorus?
scienceGrade-9
science
The orbits in an atom are represented by:
The orbits in an atom are represented by:
scienceGrade-9