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प्रश्न
Name the following:
Metal with valency 2
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उत्तर
Magnesium
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संबंधित प्रश्न
Mention the basic tendency of an atom which makes it to combine with other atoms.
Elements X, Y, and Z have atomic numbers 6, 9 and 12 respectively. Which one forms an anion?
Give electron dot diagram of the following:
methane
Explain the following briefly:
Helium does not form He2 molecule
Element X is a metal with a valency 2; Y is a non-metal with a valency 3.
(a) Write an equation to show how Y forms as ion
(b) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
Choose the correct option
Which of the following is the correct electronic configuration of potassium?
State the type of bonding in the following molecules.
Hydrogen chloride
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^23_11Na}\]
How many electrons are required or released by each atom in water molecule to attain the nearest noble gas configuration?
The one which is composed of all the three kinds of bond.[ionic, covalent and coordinate bond]
