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प्रश्न
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the charge on the particle ?
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उत्तर
What is the charge on the particle – 1 (negative)
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संबंधित प्रश्न
Why is it not possible to see an atom with naked eyes?
ANSWER IN DETAIL
Enlist the features of Bohr’s model of an atom. How did he correct the Rutherford’s model ?
Define:- Atom
Write the names of `"Na"_3"PO"_4` compounds :
Fill in the blank:
Atoms are _____
Define: Ions
Name two particles found inside the nucleus. What are they collectively called ?
What is the maximum number of electrons present in:
1. first shell
2. second shell
3. third shell and
4. fourth shell
Give two examples for each of ionic and covalent bond.
Name the particle or particles you would expect to find in :
The nucleus of an atom
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the atomic numebr of X ?
Fill in the blank
A charged particle is called an _____
Name the three subatomic particles present in an atom.
What is an atom ? How do atoms usually exist ?
Give brief information of three subatomic particles with reference to electrical charge, mass and location.
Draw the electron dot structure of this compound.
Select the correct answer to the statement given below:
The smallest particle of a substance – capable of independent existence and which retains the characteristics of the substance.
Define the following term with an example.
Metalloid
Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars.
The ______ are combination of atoms of various elements or the same element.
