PLEASE TELL ME THE ANSWERS OF THESE FOLLOWING QUESTIONS.
(e) Group whose elements have zero valency.
(f) A covalent compound formed by an element in Period
2 and a halogen.
(g) Non-metallic element present in Period 3 of Groups
15 and 16.
(h) An electrovalent compound formed by an alkaline
earth metal and a halogen.
(i) Bridge elements of Period 3 of Group 1, 2 and 3.
(1) Alkali metal in Period 3 that dissolves in water giving
a strong alkali.
(k) Typical elements of Groups 14 and 15.
(1) Alkaline earth metal in Period 3.
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HEY MATE!!
e) Noble group.
f) Nitrogen is a non metal of 2nd period andhalogen is chlorine. So a covalent compound is NCl3 or nitrogen trichloride.
g) 15- Phosphorus
16- Sulphur
h) MgF2
i) The elements of group 2 are called bridge elements because these elements are related to the next group which are placed diagonally to it hence forming a bridge that is why they are called bridge elements. This elements are li, be, b, c, n, o, f, ne.
1) sodium
- The alkali metal in period 3 is sodium. It dissolves in water to give a strong alkali NaOH
k) Group 14 is called the carbon group. This groupcontains two metalloids: silicon and germanium. Carbon is a nonmetal, and the remainingelements in this group are metals. Group 15 is called the nitrogen group
1) Alkaline earth metal in period 3.
- Magnesium is the alkaline earth metal present in period 3 of the periodic table.
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