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 133Cs+ Protons 35 15 Neutrons 46 16 30 Electrons 18 20 Net charge 1- 5+

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: (a) Be (b) Rb (c) As (d) In (e) At.

Using the periodic table, predict the charge of the most stable ion of the following elements: (a) Li (b) Ba (c) Po (d) I

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

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 selenium is 2-. Indicate the chemical formulas you would expect for compounds formed between selenium and (b) lithium

Predict the chemical formulas of the ionic compound formed by (a) Fe3+ and OH-

Predict the chemical formulas of the ionic compound formed by (b) Cs+ and NO3

Predict the chemical formulas of the ionic compound formed by (c) V2+ and CH3COO-

Predict the chemical formulas of the ionic compound formed by (d) Li+ and PO43-

Predict the chemical formulas of the ionic compound formed by (e) In3+ and O2-.

Predict the chemical formulas of the compounds formed by the following pairs of ions: (a) Cr³⁺ and CN^- (b) Mn²⁺ and ClO₄^-

Predict the chemical formulas of the compounds formed by the following pairs of ions: (c) Na⁺ and Cr₂O₇^2-

Predict the chemical formulas of the compounds formed by the following pairs of ions: (d) Cd²⁺ and CO₃^2-

Predict the chemical formulas of the compounds formed by the following pairs of ions: (e) Ti⁴⁺ and O^2-.

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.

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 Na+ Ca2+ Fe2+ Al3+ O2- Na2O NO3- SO42- AsO43-

Predict whether each of the following compounds is molecular or ionic: (a) HClO₄

Predict whether each of the following compounds is molecular or ionic: (b) CH₃OCH₃ (c) Mg(NO₃)₂ (d) H₂S

Predict whether each of the following compounds is molecular or ionic: (e) TiCl₄