Types of Bonding
Lewis Structures & Molecular Geometry
Naming & Formula Writing
Percent Composition & Formulas
Balancing & Reaction Types
100

This type of bond forms when electrons are shared between two nonmetals.

What is a covalent bond?

100

A single bond in a Lewis structure represents how many electrons?

What are two electrons?

100

Name this compound: NaCl

What is sodium chloride?

100

The term for the simplest whole-number ratio of atoms in a compound.

What is an empirical formula?

100

What type of reaction is: 2H₂ + O₂ → 2H₂O

What is a synthesis reaction?

200

This type of bond forms between a metal and a nonmetal.

What is an ionic bond?

200

This shape is formed when a molecule has 4 bonded atoms and no lone pairs on the central atom.

What is tetrahedral?

200

Give the formula for carbon dioxide.

What is CO₂?

200

The molar mass of water (H₂O) to one decimal place.

What is 18.0 g/mol?

200

Balance the equation: __ Al + __ Cl₂ → __ AlCl₃

What is 2Al + 3Cl₂ → 2AlCl₃?

300

These weak forces occur between all molecules but are the only forces present in nonpolar molecules.

What are dispersion (London) forces?

300

How many total valence electrons are needed for a Lewis structure of CO₂?

What is 16?

300

Name this compound: H₂SO₄

What is sulfuric acid?

300

A compound is 40% C, 6.7% H, and 53.3% O. Find the empirical formula.

What is CH₂O?

300

This type of reaction involves one element replacing another in a compound.

What is a single replacement reaction?

400

A bond where electrons are unequally shared, causing partial charges.

What is a polar covalent bond?

400

This is the bond angle in a trigonal planar molecule.

What is 120°?

400

Write the correct chemical formula for magnesium nitrate.

What is Mg(NO₃)₂?

400

A compound has an empirical formula of CH and a molar mass of 78 g/mol. What’s the molecular formula?

What is C₆H₆?

400

What type of reaction is: HCl + NaOH → NaCl + H₂O

What is a neutralization reaction?

500

This type of bond features a “sea of electrons” that explains conductivity in metals.

What is a metallic bond?

500

This rule helps atoms (like carbon, oxygen, and nitrogen) achieve full outer shells in Lewis structures.

What is the octet rule?

500

Name the compound: CuCl₂

What is copper(II) chloride?

500

What is the percent by mass of oxygen in H₂O?

What is 88.9%?

500

A hydrocarbon reacts with oxygen to form CO₂ and H₂O. Name the reaction type.

What is a combustion reaction?