Question

1.) An element 'X' has six electrons in its outer or valence shell. It's valency is _ [ +2/-2/-1]. 2.) An element 'Y' has electronic configuration 2,8,6. The element 'Y' is a _ [ metal/non - metal/noble gas]. 3.)A _ [ proton/neutron] is a sub - atomic particle with no charge and unit mass. 4.)An element Z with zero valency is a _ [ metal/noble gas/non - metal]. 5.) Magnesium atom with electronic configuration 2,8,2 achieves stable electronic configuration by losing two electrons, thereby achieving stable electronic configuration of the nearest noble gas _ [ neon / argon ].​

Answer 1

Answer:

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Answer 2

Explanation:

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