Предмет: Химия, автор: reksikbohatirov

Визначте число електронів, протонів і нейтронів в елементах з протонними числами 11, 22, 33, 44, 55, 66, 77. Вкажіть назви цих елементів.

Ответы

Автор ответа: nikolaygr

Відповідь:

електрони протони нейтрони назва

11 11 11 12 Натрій

22 22 22 26 Титан

33 33 33 42 Арсен

44 44 44 57 Рутеній

55 55 55 78 Цезій

66 66 66 97 Диспрозій

77 77 77 115 Іридій

Пояснення:

guraiter: помогите пожалуйста с алгеброй разобраться пожалуйста

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Визначте число електронів, протонів і нейтронів в елементах з протонними числами 11, 22, 33, 44, 55, 66, 77. Вкажіть назви цих елементів. ​

Ответы

Визначте число електронів, протонів і нейтронів в елементах з протонними числами 11, 22, 33, 44, 55, 66, 77. Вкажіть назви цих елементів.