Question

Answer the following for Magnesium chloride. a) Atomic number of constituent elements b) Electronic configuration of constituent elements c) Valence electron of constituent elements d) Number of electrons to be gained or lost for stability e) Valency of the constituent elements f) Bohr’s/Lewis structure of the compound

Answer 1

Answer:

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Answer 2

Answer:

           a). Atoms of each element contain a characteristic number of protons. In fact, the number of protons determines what atom we are looking at (e.g., all atoms with six protons are carbon atoms); the number of protons in an atom is called the atomic number. In contrast, the number of neutrons for a given element can vary.

           d).Elements in group 1 need to lose one electron to achieve a stable electron configuration. Elements in groups 14 and 17 need to gain four and one electrons, respectively, to achieve a stable configuration

            e). Valency of the constituent elements

Compounds   Name of compounds     Symbol of constituent element-------------------------------------------------------^ Valency of constituent                                                       .                                                                           ^                                elements

KCl                  Potassium chloride               K,Cl                       K=1,Cl=1

HBr                  Hydrogen bromide           K,Br                       K=1,Br=1

MgBr2​          Magnesium bromide           Mg,Br                    Mg=2,Br=1

K2​O          Potassium oxide                    K,O                    K=1,O=2

NaH          Sodium hydride                    Na,H                    Na=1,H=1

CaCl2​          Calcium chloride                    Ca,Cl                    Ca=2,Cl=1

CCl4​          Carbon tetrachloride            C,Cl                         C=4,Cl=1

HI                  Hydrogen iodide                     H,I                    H=1,I=1

H2​S          Hydrogen sulphide             H,S                     H=1,S=2

Na2​S          Sodium sulphide                    Na,S                   Na = 1, S =2

FeS                    Iron(II) Sulfide                    Fe,S                    F=2,S=2

BaCl2​           Barium chloride                     Ba,Cl                    B=2,Cl=1

Explanation:

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