Chemistry, asked by friendsforever7244, 8 months ago

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Answered by AbdulHafeezAhmed
2

1. Eka- Boron (Aluminum)

2. Gold and platinum

3. 63

4. Average of 7 and 39 = (7 + 39)/2 = 23

5. 1 Group - Alkaline metals

2 Group - Alkaline earth metals

17 Group- Halogens

18 Group - Noble gases

6. Bridge elements are elements that belongs to period 2 of the periodic table. they are called so because they show resemblance in property diagonally i.e the elements of period 2 show resemblance to the the elements of period 3

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