Chemical Compounds
This gas makes up 78% of Earth's atmosphere and is represented by N₂.
What is nitrogen (N₂)?
Used in cleaning wounds, this compound with the formula H₂O₂ breaks down into water and oxygen.
What is hydrogen peroxide (H₂O₂)?
This type of bond is formed when two atoms share electrons equally.
Covelent Bond
This is the state of matter where molecules are packed closely together and have a definite shape and volume.
What is a solid?
Also known as H₂O, this compound is essential for life and makes up most of Earth's surface.
What is water (H₂O)?
This simple sugar, also known as C₆H₁₂O₆, is a source of energy for living organisms.
Glucose
In this type of bonding, one atom gives away electrons to another, forming positive and negative ions.
What is an ionic bond?
This high-energy state of matter, found in stars, consists of charged particles and is the most abundant state in the universe.
What is plasma?
Sodium chloride is the scientific name for this common compound used to season food.
What is table salt (NaCl)?
This acid gives vinegar its sour taste and has the formula CH₃COOH.
What is acetic acid (CH₃COOH)?
In metallic bonding, electrons move freely around a "sea of electrons." This type of bonding is common in this class of elements.
What are metals?
The process where a solid changes directly into a gas without becoming a liquid first is known as this.
What is sublimation?
This compound, made of carbon and hydrogen (CH₄), is a major component of natural gas.
What is methane (CH₄)?
Known as baking soda, is commonly used in cooking and cleaning. Its formula is NaHCO₃.
What is sodium bicarbonate (NaHCO₃)?
This molecule, made of two hydrogen atoms and one oxygen atom (H₂O), has polar covalent bonds because the electrons are not shared equally.
What is water (H₂O)?
This term refers to the temperature at which a liquid turns into a gas at normal atmospheric pressure.
What is the boiling point?
The primary component of chalk and limestone, this compound has the formula CaCO₃.
What is calcium carbonate (CaCO₃)?
This strong acid, with the formula H₂SO₄, is found in car batteries and is used in the production of fertilizers.
What is sulfuric acid (H₂SO₄)?
Ionic compounds like sodium chloride (NaCl) form solid structures where positive and negative ions are arranged in a repeating pattern called this.
What is a crystal lattice?
When a gas turns into a liquid, this process occurs, which is the reverse of evaporation.
What is condensation?