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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
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संबंधित प्रश्न
Match the atomic number 4, 8, 14, 15 and 19 with each of the following:
(a) A solid non-metal of valelncy 3.
(b) A gas of valency 2.
(c) A metal of valency 1.
(d) A non-metal of valency 4
Give electron dot diagram of the following:
methane
In term of electron transfer, define
Reduction
Separate the following compounds into three categories - ionic, polar and covalent compounds; N2, NH4Cl, NH3, NO, NH4NO3, NCl3.
State the following is a reduction reaction or oxidation reaction.
\[\ce{Pb -> Pb^2+ + 2e-}\]
State the following is a reduction reaction or oxidation reaction.
\[\ce{Fe^2+ - e- -> Fe^3+}\]
Name the following:
Metal with valency 2
Choose the correct option
Which of the following is the correct electronic configuration of potassium?
Identify the following reaction as either oxidation or reduction:
Zn → Zn2+ + 2e-
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is a metal.
