Perio d 1. The pair of elements with the most similar chemical properties are a.

Question

Perio d 1. The pair of elements with the most similar chemical properties are a. Mg and S b. Ca and Br c. Mg and Sr d. S and Ar As the elements are considered from the top to the bottom of Group VA which sequence in propertics occurs: a. metal- metalloid-nonmeta b. metal- nonmetal.metalloid c. metalloid--metal-nonmetal d. nonmetalmetalloid---> meta 2. 3. Which element is considered malleable a. gold b. hydrogen c. sulfur d. radon. 4. More than two-thirds of the elements of the Periodic Table are: a. metalloids metals c. nonmetals d. noble gases 5. Which atomic number is not a member of the halogen family: a. b) 26 d. 35

Explanation / Answer

1.Elements of same group have similar chemical properties.Among the given options only Mg and Sr are of same group.Thus answer is C).Mg and Sr.

2.N, P are non metals, As and Sb are metalloids and Bi is a metal. Thus answer is D).

3.Gold is very malleable metal.So answer is A).

4.B).Metals.

5.F-9, Cl-17, Br-35.So answer is B)26.

Comment in case of any doubt.Please rate the answer.

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