Define the energy of a photon is absorbed by an atom

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Reference no: EM13343247

A hydrated compound contains 1 mole of cation M, 3 mole of anion A, and 2 moles of water. The correct formula is

a. 2MA3·H2O
b. MA2·3H2O
c. MA2·3H2O
d. MA3·2H2O

Q- Light is emitted when

a. electrons in excited states return to their ground states.
b. the energy of a photon is absorbed by an atom.
c. electrons get excited to higher energy orbitals.

Q- The water molecules in a hydrate are very tightly bound and cannot be removed by heating.

True

False

Reference no: EM13343247

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