Question

Draw seg XY of length 5.6 cm & divide it in ratio 2:3​

Answer 1

Step-by-step explanation:

solve with x

take the ratio in equation 2x+3x=5.6

5x=5.6

x=11.2

then

2x=22.4

3x=33.6

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Answer 2

Answer:

If the carbon atom gains four electrons to achieve the nearest electronic configuration of the noble gas, Ne, C4− ion will be formed. But again, a huge amount of energy is required. Moreover, in C4+ ion it is difficult for 6 protons to hold 10 electrons. Hence, to satisfy its tetravalency, carbon shares all four of its valence electrons and forms covalent bonds.