Helicon 10, The measurement 186 g 11. Calculate the answer to the corvine number

Question

Helicon 10, The measurement 186 g 11. Calculate the answer to the corvine number of sunbeam neared he 0.00 23 10 (r) 006 12. How many significant figures does 0.00100100100 etesian (b) 4 (a) 5 Calculate the mass in grams to the erect number at significant figure 02s gasoline with a density of 0.09 gimlet (b) 172.5 g (a) 170 g 14. What group has the following electron configuration 2s (d) annual metals (e)war each (b) alkaline earth (c) halogen a) noble gases 15. Elements with the following atomic numbers. 5, 14.3s, and s2 are caused (a) metalloids (b) alkaline earth (c) halogens a) alkali metals noble gases What category does the following elements fall into on the periodic table that has 1 only valence alkaline earth halogens (a) noble gases alkaline earth (c) halogens (d) alkali metals (e) rear earth

Explanation / Answer

As the whole picture is not clear I'm answering from Qno.14

Ans 14- p^5 is halogens and p^6 is noble gases outermost electronic configuration

Ans15- they are called metalloids as they possess properties between metals and non metals

Ans16- alkali metals have only one valence electron with outermost electronic configuration of ns^1

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