What is charge on the cation in the ionic compound Fe2(CO3)3?     -2     +3     -3     +2

= ||| ch 2 O ATOMS, IONS AND MOLECULES Naming ionic compounds with common oxoanions Fill in the name and empirical formula of each ionic compound that could be formed from the ions in this table: cation K L K 2+ K K Explanation anion 3 CIO 4 CIO CIO3 CIO₂ $5 Check 93⁰ -Fenerj 4 some ionic compounds empirical formula 0 0 0 Its do • % 5 ro 4- 6 name of compound + & Ta 7 " VUDU 20 a * 144 8 X ly fo huly g Ś Ⓒ2023 McGraw Hill LL prime video DDI

Two main-group elements are highlighted in the outline of the Periodic Table below: X Y What can you say about these elements without knowing exactly which they are? Use that knowledge to answer the questions in the following table, if possible. Important: do not try to figure out exactly which elements are marked, and then use your knowledge of the properties of each specific element. You don't need to. You will also be marked wrong for any answer, correct or not, that can't be determined from the rough location of each marked element in the Periodic Table. The atoms of which element are more likely to be the cations in an ionic compound? O Element X O Element Y O Can't say without more information. X

Fill in the name and empirical formula of each ionic compound that could be formed from the ions in this table: some ionic compounds cation anion empirical formula name of compound 4+ Sn BrO 4 2+ Со NO, 4+ Pb cio 4 Po 2+