Answer:
Electronegativity decrease in group from top to bottom
Explanation:
Explanation:
Acids are substances whose ph is lower than 7.Acids react with most metals to form a salt and hydrogen gas.
Because going down a column you are jumping up to the next higher main energy level (n) and each energy level is further out from the nucleus
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Option-C: They react mainly by substitution.
Explanation:
Alkene doesn't give substitution reactions because they are non polar in nature. The double bond in alkene is responsible for Electrophillic Addition reactions as it electron rich and nucleophilic in nature. Reaction of Alkene is given below,</span>
Answer:
i only know 6 whitch is the +ion
Explanation: