. Read the following information and answer the questions. Some symbols and combining powers of elements are given below. (Na : 1, K:1, CI : 1. Mg: 2,AL: 3, Ca : 2,0:2, OH (Hydroxide): 1) Names of the compounds are also given. Write chemical formula for the given compounds (Show all the stops you followed to get the formula, don't write formula directly
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Answer:
Na+
K+
Cl-
Mg2+
Al3+
Ca2+
O2+
OH-
Explanation:
Na , K has atomic no. 11 and 19...they both have 1 valance electron. therefore they loses their electron to get stable electric configuration and get positive sign
Simlar with Mg (atomic no. 12), Ca(Atomic no. 20) and O (atomic no. 8). They loses 2 electrons to get stable configuration and get 2+ sign
Al (atomic no. 13) . It loses 3 electron to get stable configuration and get 3+ sign.
Cl and OH has has atomic no. 17 and 9. They both have 7 valance electron. They need 1 more electron to get stable configuration that's why they gains 1 more electron and get negative sign.
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