These are the three basic states in which matter exists.
What are solid, liquid and gas?
The image below shows this type of molecule.
Hydrogen is typically shown in this color in molecule models.
What is white or grey?
This is the difference between a compound and a mixture.
What is a mixture can be separated, but a compound is the same all the way through down to the molecules?
Two or more different types of atoms bound together.
What is a molecule of a compound?
The three subatomic particles that make up an atom.
What are proton, neutron, and electron?
The image below shows this type of molecule.
What is a molecule of a compound?
Oxygen is typically shown in this color in molecule models.
What is red?
This is the reason why ice floats.
What is ice is less dense than water?
Two-atom molecules (molecules of the same element) found in elements that do not naturally exist as a single atom.
What is a diatomic molecule?
The labeled parts of an atom in the image below.
What is
A-Nucleus
B-Proton/Neutron
C-Proton/Neutron
D-Electron
These are the two types of molecular models we have studied.
What are ball and stick and space filling?
Phosphorus is typically shown in this color in molecule models.
What is orange?
This French chemist discovered hydrogen and oxygen.
Who is Antoine Laurent Lavoisier?
The making, breaking or rearranging of the chemical bonds between two atoms.
What is a chemical reaction?
The number of _____________________ determines the atomic number of an atom.
What is protons?
These three gases naturally occur in pairs.
What are hydrogen, oxygen, and nitrogen?
Sulfur is typically shown in this color in molecule models.
What is yellow?
The names of the two images below.
What is molecule and molecool?
A written expression made of chemical symbols of each element in each compound followed by a subscript number indicating the number of atoms of that element in one unit of the compound.
What is a chemical formula?
These are the six elements that combine in differently to form carbohydrates, lipids, proteins, and nucleic acids.
What are
Carbon
Hydrogen
Nitrogen
Oxygen
Phosphorus
Sulfur
The formula of a water molecule below has ______ hydrogen atom(s) and _______ oxygen atom(s).
What is 2 and 1?
Nitrogen is typically show in this color in molecule models.
What is blue?
A table that arranges atoms in the order of increasing atomic number; it is organized by periods and groups.
What is the periodic table of elements?
Two or more of the same type of atom chemically bound together.
What is a molecule of an element?