Write the empirical formula corresponding to each of the following molecular formulas: (a) Al₂Br₆

Write the empirical formula corresponding to each of the following molecular formulas: (b) C₈H₁₀

Write the empirical formula corresponding to each of the following molecular formulas: (c) C₄H₈O₂

Write the empirical formula corresponding to each of the following molecular formulas: (d) P₄O₁₀ (e) C₆H₄Cl₂ (f) B₃N₃H₆.

Determine the molecular and empirical formulas of the following: (a) the organic solvent benzene, which has six carbon atoms and six hydrogen atoms

Determine the molecular and empirical formulas of the following: (b) the compound silicon tetrachloride, which has a silicon atom and four chlorine atoms and is used in the manufacture of computer chips

How many hydrogen atoms are in each of the following: (a) C₂H₅OH? (b) Ca(C₂H₅COO)₂? (c) (NH₄)₃PO₄?

How many of the indicated atoms are represented by each chemical formula: (a) carbon atoms in C₄H₉COOCH₃

How many of the indicated atoms are represented by each chemical formula: (b) oxygen atoms in Ca(ClO₃)₂ (c) hydrogen atoms in (NH₄)₂HPO₄?

Write the molecular and structural formulas for the compounds represented by the following molecular models:

Write the molecular and structural formulas for the compounds represented by the following models:

Fill in the gaps in the following table: Symbol 59Co3+ Protons 34 76 80 Neutrons 46 116 120 Electrons 36 78 Net charge 2+

Fill in the gaps in the following table:

Symbol 31P3-

Protons 34 50

Neutrons 45 69 118

Electrons 46 76

Net charge 2- 3+

Each of the following elements is capable of forming an ion in chemical reactions. By referring to the periodic table, predict the charge of the most stable ion of each: c. K

Using the periodic table, predict the charge of the most stable ion of the following elements: d. Br

Using the periodic table, predict the charge of the most stable ion of the following elements: e. Se

Using the periodic table to guide you, predict the chemical formula and name of the compound formed by the following elements: (a) Ga and F (b) Li and H

Using the periodic table to guide you, predict the chemical formula and name of the compound formed by the following elements: (c) Al and I

Using the periodic table to guide you, predict the chemical formula and name of the compound formed by the following elements: (d) K and S.

The most common charge associated with scandium in its compounds is . Indicate the chemical formulas you would expect for compounds formed between scandium and b. sulfur

Predict the chemical formula for the ionic compound formed by (a) Ca2+ and Br-

Predict the chemical formula for the ionic compound formed by (b) K+ and CO32-

Predict the chemical formula for the ionic compound formed by (c) Al3+ and CH3COO-

Predict the chemical formula for the ionic compound formed by (d) NH4+ and SO42-

Predict the chemical formula for the ionic compound formed by (e) Mg2+ and PO43-.

Predict the chemical formulas of the compounds formed by the following pairs of ions: (b) Fe3+ and O2-

Predict the chemical formulas of the compounds formed by the following pairs of ions: (c) Hg22+ and CO32-

Predict the chemical formulas of the compounds formed by the following pairs of ions: (d) Ca2+ and ClO3-

Predict the chemical formulas of the compounds formed by the following pairs of ions: (e) NH4+ and PO43-.

Complete the table by filling in the formula for the ionic compound formed by each pair of cations and anions, as shown for the first pair. Ion K⁺ NH₄⁺ Mg²⁺ Fe³⁺ Cl^- KCl OH^- CO₃^2- PO₄^3-

Complete the first row of the table.

Complete the second row of the table.

Complete the third row of the table.

Complete the fourth row of the table.