Read each description in the first column of the table below. If any chemical el

Question

Read each description in the first column of the table below. If any chemical element with atomic number of 92 or less matches the description, check Yes and enter the chemical symbol of an element that matches. Otherwise check No in the second column. Does any element match the description? If you checked yes, give the symbol of an element that matches. alo An element in Period 5 and Group 7A. Yes No Ar A metalloid in Group 4A A halogen with a lower atomic number than germanium. OYes No A main-group element in Period 5.

Explanation / Answer

Part A

The group 7A belongs to the family of halogens. The element in fifth period of Halogen is Iodine(symbol-I)

Since atomic number of Iodine is less than Uranium, hence we have found the element

Does any element match the description? YES

Symbol of element = Iodine( I)

Part B

Group IV is the carbon family, It will contain Germanium which is a metalloid

Does any element match the description? YES

Symbol of element = Germanium(Ge)

Part C

Germanium has an atomic number of 32

There are two elements which belong to halogen that are Flourine(atomic number - 9) and Chlorine (atomic number - 17)

Does any element match the description? YES

Symbol of element = Flourine(F), Chlorine (Cl)

Part D

The main group elements are the elements of Group 1,2 and 13-18

Does any element match the description? YES

Symbol of element = Rubidium(Rb)

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