Предмет: Химия, автор: Fallens0n

Для ряда химических элементов бор- углерод- азот-кислород характерны следующие закономерности:
1) Уменьшается электроотрицательность
2) Увеличивается число электронов во внешнем электронном слое
3) Увеличивается радиус атома
4) Ослабевают неметаллические свойства
5) Усиливаются неметаллические свойства
2 из вариантов верны

Ответы

Автор ответа: tokomaka

Ответы правильные: 2 и 5

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