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प्रश्न
Define: Chemical bond
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उत्तर
Chemical bond— A chemical bond is the binding force between two or more atoms of a molecule.
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संबंधित प्रश्न
ANSWER IN DETAIL
How are isobars different from isotopes ?
Write the names of `"Ca"("NO"_3)_2` compounds :
Fill in the blank
An ion with negative charge is called _______
What is the maximum number of electrons present in:
1. first shell
2. second shell
3. third shell and
4. fourth shell
An atom has 13 protons and 14 neutrons.
What is the atomic mass of the atom ?
Fill in the blank
A charged particle is called an _____
Write the full form of IUPAC.
Fill in the following blanks with suitable words :
In water, the proportion of oxygen and hydrogen is .............. by mass.
One nm is equal to :
Find the mass of 2 moles of nitrogen atoms.
The electron shell ______ is nearest to the nucleus.
In what respects do the three isotopes of hydrogen differ? Give their structures.
Draw diagrams representing the atomic structures of the following:
- Sodium atom
- Chlorine ion
- Carbon atom
- Oxygen ion
Draw the diagrams representing the atomic structures of the following: Neon
The smaller particles found in the atom is called ______.
Project.
To have an idea of what atoms are, students can be asked to construct atoms using pipe cleaners (thin metal wires-electron shells), pompoms (balls-different colours for protons and neutrons) and beads (electrons). Students will love and enjoy putting them together and they look great hanging from the ceiling in the classroom.
Define the following term with an example.
Compound
Define the following term with an example.
Metalloid
In the nucleus of `""_20"Ca"^40`, there are ______
______ is a substance that is made up of three oxygen atoms chemically combined.
