This type of bond forms when electrons are shared between two nonmetals.
What is a covalent bond?
A single bond in a Lewis structure represents how many electrons?
What are two electrons?
Name this compound: NaCl
What is sodium chloride?
The term for the simplest whole-number ratio of atoms in a compound.
What is an empirical formula?
What type of reaction is: 2H₂ + O₂ → 2H₂O
What is a synthesis reaction?
This type of bond forms between a metal and a nonmetal.
What is an ionic bond?
This shape is formed when a molecule has 4 bonded atoms and no lone pairs on the central atom.
What is tetrahedral?
Give the formula for carbon dioxide.
What is CO₂?
The molar mass of water (H₂O) to one decimal place.
What is 18.0 g/mol?
Balance the equation: __ Al + __ Cl₂ → __ AlCl₃
What is 2Al + 3Cl₂ → 2AlCl₃?
These weak forces occur between all molecules but are the only forces present in nonpolar molecules.
What are dispersion (London) forces?
How many total valence electrons are needed for a Lewis structure of CO₂?
What is 16?
Name this compound: H₂SO₄
What is sulfuric acid?
A compound is 40% C, 6.7% H, and 53.3% O. Find the empirical formula.
What is CH₂O?
This type of reaction involves one element replacing another in a compound.
What is a single replacement reaction?
A bond where electrons are unequally shared, causing partial charges.
What is a polar covalent bond?
This is the bond angle in a trigonal planar molecule.
What is 120°?
Write the correct chemical formula for magnesium nitrate.
What is Mg(NO₃)₂?
A compound has an empirical formula of CH and a molar mass of 78 g/mol. What’s the molecular formula?
What is C₆H₆?
What type of reaction is: HCl + NaOH → NaCl + H₂O
What is a neutralization reaction?
This type of bond features a “sea of electrons” that explains conductivity in metals.
What is a metallic bond?
This rule helps atoms (like carbon, oxygen, and nitrogen) achieve full outer shells in Lewis structures.
What is the octet rule?
Name the compound: CuCl₂
What is copper(II) chloride?
What is the percent by mass of oxygen in H₂O?
What is 88.9%?
A hydrocarbon reacts with oxygen to form CO₂ and H₂O. Name the reaction type.
What is a combustion reaction?