Bonding From Electrons
Mendeleev
Периодична таблица · chemistry · physics
How to use this page
Start from what you can observe, then connect it to the model scientists use.
Look for one measurable consequence: a colour change, a temperature change, a spectrum, a pressure, a mass or a time.
How to use this page
A model is useful because it explains and predicts. It is not a literal photograph of nature.
How to use this page
Решен пример
Na → Na⁺+e⁻ ; Cl+e⁻→Cl⁻
Проверка: Замести стойностите, запази мерните единици и провери дали резултатът има физичен смисъл.
Упражнение
Отговор:
H—H ; O=O ; N≡N