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प्रश्न
State true or false. If false, correct the statement.
An atom is electrically neutral.
विकल्प
True
False
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उत्तर
An atom is electrically neutral- True
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संबंधित प्रश्न
TRUE \ FALSE
Elements combine in definite proportions to form compounds.
Define:- Atom
Write the names of the elements present in the following compound.
Common salt
Fill in the blank
An ion with positive charge is called ______
What does an atom consist of ? Explain.
Define: An Atom:
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.
The electron shell ______ is nearest to the nucleus.
Compare:
Chlorine atom and chloride ion, with respect to
Atomic structure
Electrical state
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form positive ion?
Select the correct answer to the statement given below:
The basic unit of matter is not capable of independent existence.
Define the following term with an example.
Element
The smaller particles found in the atom is called ______.
Define the following term with an example.
Compound
Define the following term with an example.
Non-metal
In the nucleus of `""_20"Ca"^40`, there are ______
Atoms of different elements having the same number of ______ are called isotones.
Atoms of one element can be transmuted into atoms of other elements by ______
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?
