Question

give the correct formula for barium chloride. express your answer as a chemical formula. a chemical reaction does not occur for this question. submit request answer

Explanation:

Step1: Determine ion charges

Barium (Ba) is in group 2, so it forms \( \text{Ba}^{2+} \) ions. Chloride (Cl) is in group 17, forming \( \text{Cl}^- \) ions.

Step2: Balance charges

To balance the \( 2+ \) charge of \( \text{Ba}^{2+} \), we need two \( \text{Cl}^- \) ions (since \( 2 \times 1^- = 2^- \), balancing \( 2^+ \)).

Step3: Write the formula

Combine the ions: \( \text{Ba}^{2+} \) and \( 2\text{Cl}^- \) give \( \text{BaCl}_2 \).

Answer:

\( \text{BaCl}_2 \)