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प्रश्न
Elements A, B and C have atomic number 17, 19 and 10 respectively.
Write down the formula of the compound formed by two of the above elements.
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उत्तर
A combines with B to form compound BA
संबंधित प्रश्न
In term of electron transfer, define Oxidation
Fill in the blanks.
The electrovalent bond or ionic bond is called as _____ bond
Why do they exist as monoatoms in molecules?
Name the following:
Two atoms having the same number of protons and electrons but different number of neutrons.
\[\ce{^24_12Mg}\] and \[\ce{^26_12Mg}\] are symbols of isotopes of magnesium.
(a) Compare the atoms of these isotopes with respect to :
i. the composition of their nuclei
ii. their electronic configurations
(b) Give reasons why the two isotopes of magnesium have different mass numbers.
State the type of bonding in the following molecules.
Calcium oxide
Identify the following reaction as either oxidation or reduction:
K - e- → K+
How do atoms attain Noble gas electronic configuration?
Choose the odd one out and write the reason:
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a metal.
