85 are all (a) Noble gases (b) Halogens (c) Heavy metals (d) Light metals

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The elements with atomic numbers 9, 17, 35, 53, 85 are all (a) Noble gases (b) Halogens (c) Heavy metals (d) Light metals
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The elements with atomic numbers 9, 17, 35, 53, 85 are all (a) Noble gases (b) Halogens (c) Heavy metals (d) Light metals 17 35° 53 85 are all (a) Noble gases (b) Halogens (c) Heavy metals (d) Light metals The elements with atomic numbers 9 November 8, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
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Tags: 17 , 35° , 53 , 85 are all (a) Noble gases (b) Halogens (c) Heavy metals (d) Light metals , The elements with atomic numbers 9 ,