Question

question 5 (1 point) use what you learned from watching the videos to answer the question below. an unknown ion from group 3a and an unknown ion from group 6a join to make a compound. what would the formula look like? x is from group 3a y is from group 6a a x6y2 b xy c x2y3 d x3y2

Explanation:

Step1: Determine the charges of the ions

Elements in group 3A form ions with a + 3 charge. So, X has a charge of $X^{3 + }$. Elements in group 6A form ions with a - 2 charge. So, Y has a charge of $Y^{2 - }$.

Step2: Use the criss - cross method

To form a neutral compound, we use the criss - cross method. The magnitude of the charge of one ion becomes the sub - script of the other ion. So the formula of the compound will be $X_{2}Y_{3}$.

Answer:

$X_{2}Y_{3}$