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प्रश्न
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one :
State type of bond between Y and Z and give its molecular formula.
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उत्तर
Ionic bond with molecular formula ZY2.
संबंधित प्रश्न
Give electron dot diagram of the following:
Magnesium chloride
(i) How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
(ii) How many electrons are required for their octet structure?
Element X is a metal with a valency 2. Element Y is a non metal with a valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is a diatomic gas, write the equation for the direct combination of X and Y to form a compound.
State the type of bonding in the following molecule.
Calcium oxide
Explain
Duplet rule for the formation of hydrogen
Write the formula of its (X)
sulphate
nitrate
phosphate
carbonate
hydroxide.
Draw orbit structure diagram of calcium oxide (CaO).
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^40_20Ca}\]
Explain Octet rule with an example.
______ is the only noble gas that does not have eight electrons in its valence shell.
