Fill in the blanks with suitable answers. [5] 1. Metals are good ________________agents 2. The most electronegative element period 2________________ 3. The chemical bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair___________- . 4. Solution X turns blue litmus red , so it must contains__________-ions another; solution Y turns red to blue so they contain __________-ions.
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Answer:metals are good electrical agents.the most electronegative element in period 2 is neon.3 the chemical bnd is covalent bond.4 it contains SO2 and y is NO3
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