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Будова атома.

Будова атома. Склад атомних ядер

QuestionAnswer
Протонне число 20 має елемент Кальцій
16 електронів має Сульфур
Елемент з зарядом ядра +24 Хром
Скільки електронів має Барій? 56
Скільки протонів має Оксиген? 8
Скільки нейтронів має Карбон-13 ? 7
Вкажіть лужний метал ІІІ періоду Натрій
Вкажіть інертний елемент IV періоду Криптон
Вкажіть галоген ІІ періоду Флуор
Скільки протонів має Оксиген-17 ? 8
Вкажіть елемент, який має 13 протонів і 14 нейтронів Алюміній
Вкажіть елемент, який має 10 нейтронів а нуклонне число атома дорівнює 20 Неон
Скільки енергетичних рівнів має Калій? 4
Яку максимальну валентність має Хлор? 7
Created by: oxigen-70
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