The average temperature in the mountains is 65° in April. The average temperature in that same spot is −5° in December. Determin
2 answers:
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The metals will lose electrons while the non metals will gain electrons in order to attain octet structure.
An ion can be cation (positively charged) or anion (negatively charged).
Cations attain octet structure (8) by losing electron(s) while anions become stable or attains octet structure (8) by gaining electron(s).
The remaining elements are completed as follows to attain octet structure;
<u>Element</u>--<u>valence electron</u>--<u>electrons to gain</u>--<u>electrons to lose</u>--<u>ion formed</u>
O ------------ 6 ---------------------- 2 ------------------------ none --------------
Ca -------- 2 ----------------------- none ---------------------- 2 ------------------
Br ----------- 7 --------------------- 1 ------------------------ none ---------------
S ------------ 6 ----------------------- 2 ------------------------ none ---------------
Cl ------------ 7 ----------------------- 1 ------------------------ none ----------------
K -------------- 1 ----------------------- none ----------------------- 1 ------------------
Mg ------------ 2 ---------------------- none ---------------------- 2 ----------------
Be ------------- 2 ---------------------- none ---------------------- 2 ----------------
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Answer:
(a)
(b)
(c)
Explanation:
(a)
The given compound is silicon tetrabromide. It means that 1 silicon and four bromine atoms are combined to form the molecule.
The chemical formula of silicon tetrabromide is
(b)
The given compound is disulfur dichloride. It means that 2 sulfur atoms and 2 chlorine atoms are combined to form the molecule.
The chemical formula of disulfur dichloride is
(c)
The given compound is diphosphorus hexaoxide. It means that 2 phosphorus atoms and 6 oxygen atoms are combined to form the molecule.
The chemical formula of diphosphorus hexaoxide is