Chromium is a metal in nature. So when one chromium is
bonded to another chromium, there is a weak intermolecular forces which helds
them together which we call as “metallic bonding”.
Metallic bonding is the intermolecular force of attraction which
exist between valence electrons and the metal atoms. It is considered as the
sharing of various detached electrons between many positive ions, whereby the
electrons serve as a "glue" which gives the substance a definite
structure.
Answer:
Oxidation is the loss of electrons during a reaction by a molecule, atom or ion. Oxidation occurs when the oxidation state of a molecule, atom or ion is increased. Hydrogen, H2 undergoes oxidation because it gains oxygen to form water.
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When solid aluminum metal is reacted with diatomic chlorine gas, solid aluminum chloride is formed. This reaction is an example of synthesis or chemical combination in which two elements, aluminum and chlorine combine to form a new compound aluminum chloride.
Word equation: Aluminum (s)+ Chlorine (g)---> Aluminum chloride(s)
Molecular formula of the product formed is .
Therefore the balanced chemical equation representing the reaction of solid aluminum with gaseous dichlorine can be represented as,
Answer: 360 minutes are required for 20 percent of a sample of cyclopropane to isomerize topropane.
Explanation:
Half life is the amount of time taken by a radioactive material to decay to half of its original value.
As the units of rate constant is , the reaction follows first order kinetics.
Expression for rate law for first order kinetics is given by:
where,
k = rate constant =
t = time for decomposition = ?
a = let initial amount of the reactant = 100
x = amount decayed =
a - x = amount left after decay process = 100-20= 80
Thus 360 minutes are requiredfor 20 percent of a sample of cyclopropane to isomerize topropane.