Chemical formulas
The component elements of CO2
Carbon and Oxygen
Anything that takes up space and has mass
What is Matter?
One example of this: Rolling a piece of clay into a flat sheet.
What is a Physical change?
An atom
What is A small particle that is the building block of matter
The component elements of HCl
Hydrogen and Chlorine
A pure substance made of only 1 type of atom.
What is an Element?
One example of this: a piece of paper burning.
2 or more atoms bonded together that act as a unit.
What is a molecule?
The component elements of AlN.
The law that states that "the total mass before a chemical reaction is the same as the total mass after the chemical reaction".
What is conservation of mass?
One example: you place an Iron bar disappears when placed in pure Oxygen, with rust as a result.
What is a chemical change?
A Compound
What is made when 2 or more different types of atoms bond and act as one unit?
The component elements of AgBF4
Silver, Boron, and Flourine
Matter with composition that is always the same.
What is a substance?
One Example: You place sugar in water and it dissappears.
What is physical change?
A Homogeneous Mixture
What is A mixture in which two or more substances are evenly mixed but not bonded together
The component elements and number of each element in SiPO3
The process where a solute breaks down into tiny particles and mixes evenly with a solvent, forming a transparent liquid called a solution
What is dissolving?
One example: A piece of wax is heated until it evaporates.
What is physical change?
A Heterogeneous Mixture
What is a mixture in which the substances are not evenly mixed?