Предмет: Химия, автор: nastwwx1

5. Заповни таблицю, послуговуючись Періодичною системою хімічних елементів (с. 40).
Назва та символ
хімічного елемента
Натрій, Na
фосфор, р
Флуор, F
Порядковий номер
Номер періоду
Номер групи, підгрупа
Відносна атомна маса
Заряд ядра атома
Кількість електронів
на зовнішньому
енергетичному рівні
Кількість енергетичних
рiвнiв
Електронна формула
атома
Тип елемента
(металічний /
неметалічний)

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Ответы

Автор ответа: Sharik32839

8

Ответ: на фото) вибачте, якщо не правильно

Объяснение: Успіхів)

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Автор ответа: polinapolinkap

5

Відповідь:

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