Justifique por que as palavras sublinhadas estão empregadas de maneiras errada em seguida reescreva-a de forma correta

There are main groups in the modern periodic table of elements

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

Which three statements represent the benefits of performing experiments using computer simulations?