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प्रश्न
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will gain electron?
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उत्तर
Y
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संबंधित प्रश्न
The average atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes `""_8^16X" and """_8^18X` in the sample?
TRUE \ FALSE
Elements combine in definite proportions to form compounds.
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.
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Write the names of the elements present in the:-
Glucose
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What does the word ‘atom’ mean?
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Write the full form of IUPAC.
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Calculate the number of moles in 12.044 × 1025 atoms of phosphorus.
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.
K: Potassium:: C: ______.
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Lead is also known as plumbum.
