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10An element is a pure substance.
Elements can be converted into different substances by simple breaking.
118 elements have been discovered so far.
Gold and silver are non-metals.
The smallest particle of an element is called a molecule.
Atoms of the same element are similar.
The average diameter of an atom is about 10⁻¹⁰ m.
Electrons are present inside the nucleus.
Proton and neutron are found in the nucleus.
Millions of compounds can be formed from limited elements.
Percentage: 0%
What is the name of the smallest part when an element is split?
What is the average diameter of an atom?
What is the smallest particle of an element?
How many elements have been discovered so far?
Which of the following is a metal?
Which particle revolves around the nucleus?
Where are protons located?
The average diameter of an atom is:
Atoms of different elements are:
A compound contains:
An element is a ______ substance.
The smallest particle of an element is called an ______.
Gold and copper are examples of ______.
Sulphur and iodine are ______.
The average ______ of an atom is 10⁻¹⁰ m.
An atom is made up of ______ subatomic particles.
Proton and neutron are present in the ______.
Electrons revolve around the nucleus in a fixed ______.
118 ______ have been discovered so far.
Compounds are formed by combining ______.