Elements
The chemical symbol for oxygen.
O
Rows in the periodic table are called ____.
Periods
H₂ + O₂ → H₂O is what type of reaction?
Synthesis/Combination
The pH of pure water.
7
Always wear these to protect your eyes.
Goggles
The lightest element.
Hydrogen
Columns in the periodic table are called ____.
Groups/Families
Substances on the left side of a chemical equation.
Reactants
An acid tastes ____.
Sour
Never taste, touch, or directly ____ a chemical.
Smell
The element with atomic number 6.
Carbon
The first element in the periodic table.
Hydrogen
Burning wood is an example of what type of reaction?
Combustion
The acid found in lemons.
Citric acid
This should always be tied back during lab.
Long hair
The element used in pencils.
Graphite/Carbon
The noble gases are found in which group number?
Group 18
The law that states matter cannot be created or destroyed.
Law of Conservation of Mass
A base turns red litmus paper ____.
Blue
Before leaving the lab, always do this.
Wash your hands
The only metal that is liquid at room temperature.
Mercury
This transition metal is used in stainless steel.
Chromium
Reaction where a compound breaks into two or more simpler substances.
Decomposition
The scientist who defined acids as proton donors.
Bronsted-Lowry
This safety device is used if your clothes catch on fire.
Fire blanket