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?
Write the names of the elements present in the:-
Sodium hydroxide
Define: Ions
Name the particles which revolve around the nucleus.
Define: Covalent bond
Give two examples for each of ionic and covalent bond.
An atom has 13 protons and 14 neutrons.
What is the atomic mass of the atom ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the mass number of X?
Fill in the blank
A charged particle is called an _____
Fill in the following blanks with suitable words :
In water, the proportion of oxygen and hydrogen is .............. by mass.
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.
Name the sub-atomic particles.
Atoms of different elements having the same number of ______ are called isotones.
The number of atoms present in a molecule is called its ______.
Give the salient features of “Modern atomic theory”.
You are provided with a fine white coloured powder which is either sugar or salt. How would you identify it without tasting?
A sample of vitamic C is known to contain 2.58 ×1024 oxygen atoms. How many moles of oxygen atoms are present in the sample?
The most abundant type of atom is the universe is ______.
Atoms have a radius of the order ______.
