In the atom of an element X, 6 electrons are present in the outermost shell. If it acquires noble gas configuration by accepting requisite number of electrons, then what would be the charge on the ion so formed?
- 2.
Out of elements 34X17 and 40Y18 , which is chemically more reactive and why?
The elements 34X17 is more reactive because its outermost shell is incomplete.
Which of the following pairs are isotopes? (i) 𝟐𝟎𝟗 X 84 , 𝟐𝟏𝟎 X 84 (ii) 𝟐𝟑𝟐 Z 90 , 231 𝐙 91
209X84 and 210X84 isotopes.
What will be the valency of an atom if it contains 3 protons and 4 neutrons?
The valency of the atom will be one.
Write the correct representation of an element ‘X’ which contains 15 electrons and sixteen neutrons.
The correct representation of the element X is 31X15.
What is the maximum number of electrons which can be accommodated in ‘N’ shell?
N shell can accommodate maximum 32 electrons.
What do you understand by ground state of an atom?
The state of an atom where all the electrons in the atom are in their lowest energy levels is called the ground state.
Electron attributes negative charge, protons attribute positive charge. An atom has both but why there is no charge?
The positive and negative charges of protons and electrons are equal in magnitude. So, atom as a whole is electrically neutral.