Question

c6 , o8, ne10, ne11, si14

1.elements present in the same period

2.elements present in the same group

Justify your answer.

Answer 1

1.c6,o8,ne10 present in the same period because all have same valence shell.
2. c6&si14 present in the same group because they have a same valence electrons 4 in outermost orbit.

Answer 2

Answer:

Explanation:

1)C6 , O8 , Ne10 should be in the same periods.

It is because they have the same number of valence shells.

C6》2,4

O8》2,6

Ne10》2,8

2)C6 and Si14 should be in the same group.

It is because they have the same number of valence electrons.

C6》4 valence electrons.

Si14》4 valence electrons.

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