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Ions which have the same electronic configuration are those of:
(1) Lithium and sodium
(2) Sodium and potassium
(3) Potassium and calcium
(4) Oxygen and chlorine
Ans: Potassium and calcium
a nitrogen molecule travel at about 505 m/s at room temperature. find the velocity of a helium atom at the same temperature
Structure of Aldehydes and Ketones Carbonyl carbon atom is connected to three atoms by sigma bonds. As these bonds use Sp 2 -orbitals, they found in the same plane and are 120°
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I have 11.2 L of a gas at stp. I need to use the molar volume to find how many molecules are in that gas.
Why transition elements form interstitial compound
There are thirty (30) electrons in benzene. This contains 24 carbon electrons and 6 hydrogen electrons. There are 12 electrons shared among C and H, and 18 among C and C. (6 electr
1.which of the following is f-block element /
Functional Foods Traditionally, food products have been developed for taste, appearance and convenience for the consumer. With the increasing awareness of the role of diet in
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Here''s the equation: NaOH + H2SO4 = Na2SO4 + H2O
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