Periodic Table
The smallest particle of an element, which retains the properties of that element.
What is an atom?
The chemical formula for salt.
What is NaCl?
A type of reaction where two substances combine to form a new compound.
What is a synthesis reaction?
The state of matter where particles are closelt packed but can slide past one another.
What is a liquid?
The center of an atom, containing protons and neutrons.
What is the nucleus?
List all the prefixes when naming covalent compounds from 1 to 10.
1 - mono
2 - di
3 - tri
4 - tetra
5 - penta
6 - hexa
7 - hepta
8 - octa
9 - nona
10- deca
The part of a chemical equation that shows what goes into the reaction.
What are the reactants?
A state of matter with no fixed shapes and fills its container.
What is a gas?
What is 7?
List the seven diatomic molecules.
HOFBrINCl
The written name for the compound Fe2O3.
What is Iron (III) Oxide?
A reaction that releases energy, usually in the form of heat.
What is an exothermic reaction?
The process of a gas turning into a solid at freezing point.
What is deposition?
The name of the compound CaCO3, found in chalk and limestone.
The total number of protons in an atm’s nucleus, which determines the element.
What is the atomic number?
The name of the compound with the formula NH3, often used in cleaning products.
What is ammonia?
A process where a substance combines with ocygen to produce heat and light.
What is combustion?
The state of matter found in stars, where gases are ionized.
What is plasma?
The name of HCl when dissolved in WATER, commonly used in labs.
What is hydrochloric acid?
Atoms of the same element with a different number of neutrons.
What are isotopes?
The name of the compound wth the formula K2Cr2O7•7H2O.
What is Potassium dichromate tetrahydrate?
This type of action / reaction occurs when iron reacts with oxygen and water over time, frming a reddish - brown substance.
What is rusting, or a chemical reaction?
Define and name a real-life example of sublimation.
What is dry ice?
This scientist developed the model of atom in which electrons orbit the nucleus in specific energy levels, known as the planetary model.
Who is Niels Bohr?