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प्रश्न
A compound containing one atom of carbon and two atoms of oxygen is ______.
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उत्तर
A compound containing one atom of carbon and two atoms of oxygen is CO2
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संबंधित प्रश्न
Define:- Atom
Write the names of the elements present in the :-
Sulphuric acid
Write the names of `"Ca"("NO"_3)_2` compounds :
What does an atom consist of ? Explain.
Name three non-metals/radicals which have valency -1, -2, and -3.
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the atomic numebr of X ?
Fill in the blank
If an atom loses an electron, it acquires ______ a charge.
What are the building blocks of matter ?
Why is it not possible to see an atom even with the most powerful microscope ?
How many times is a proton heavier than an electron?
What is an atom ? How do atoms usually exist ?
One nm is equal to :
An atom of element E contains 3 protons, 3 electrons and 4 neutrons :
(a) What is its atomic number?
(b) What is its mass number?
(c) Write the electronic configuration of the element E.
(d) State whether element E is a metal or non-metal. Why?
(e) What type of ion, cation or anion, will be formed by an atom of element E? Why
(f) Write the symbol of the ion formed by an atom of element E.
(g) What could element X be?
The electronic configuration of an element Z is 2, 8, 8.
(a) What is the atomic number of the element?
(b) State whether element Z is a metal or a non-metal.
(c) What type of ion (if any) will be formed by an atom of element Z? Why?
(d) What is special about the outermost electron shell of the atom of this element?
(e) Give the name and symbol of element Z.
(f) Name the group of elements to which Z belongs.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will lose electron?
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.
______ is a substance that is made up of three oxygen atoms chemically combined.
