Advertisements
Advertisements
प्रश्न
A compound containing one atom of carbon and two atoms of oxygen is ______.
Advertisements
उत्तर
A compound containing one atom of carbon and two atoms of oxygen is CO2
APPEARS IN
संबंधित प्रश्न
Why is it not possible to see an atom with naked eyes?
If bromine atom is available in the form of, say, two isotopes `""_35^79Br (49.7%)" and """_35^81Br (50.3%)`, calculate the average atomic mass of bromine atom.
TRUE \ FALSE
Cathode rays are a stream of fast moving particles that travel in random directions.
ANSWER IN DETAIL
State the postulates of the Dalton’s atomic theory.
Write the names of the elements present in the:-
Glucose
Give the charge and the mass of an electron, proton and neutron present in an atom ?
What is the maximum number of electrons present in:
1. first shell
2. second shell
3. third shell and
4. fourth shell
What does the word ‘atom’ mean?
How did Neils Bohr visualise the atom ?
Name the particle or particles you would expect to find in :
The orbit of an atom
An atom has 13 protons and 14 neutrons.
What is the atomic number of the atom ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the atomic numebr of X ?
Fill in the blank
An excess of electrons produces a ________ charge.
Write the relation between nanometre and metre.
Is it possible to see atoms these days ? Explain your answer.
Electron, proton, neutron are the types of ______ in an atom.
Name the gas that.
Turns moist starch iodide paper blue black.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form negative ion?
Select the correct answer to the statement given below:
Imaginary path around the nucleus of an atom in which electrons revolve.
The smallest particle of matter that can exist by itself is ______.
Rewrite the given sentence in correct form.
Elements contain two or more kind of atoms and compounds contain only one kind of atom.
Name the sub-atomic particles.
Define the following term with an example.
Non-metal
______ is the smallest particle of an element.
1 mole of Gold and Silver contain same number of atoms.
A change in the physical state can be brought about
You are provided with a fine white coloured powder which is either sugar or salt. How would you identify it without tasting?
The most abundant type of atom is the universe is ______.
