Matter and chemical change Flashcards
Period
A horizontal line on 5e periodic table
Matter
Anything that has mass and occupies space
Sublimation
Solid to a gas
Group
A vertical column on the periodic table
Element
Substance made up of only one type of atom
Compound
Substance made of two or more different atoms
Alchemist
Someone part magician and part scientist
Atomic number
Shows the number of protons in Athena nucleus
Physical change
Change in physical appearance or state of substance
Deposition
Gas to solid
Electron
Negatively charged particles that orbit the nucleus
Atomic mass
Mass of an atom of an element
Chemical change
Change I. Which two or more substances react to create a different substance or substances
Mixture
Combination of pure subtances
Properties
Characteristics that describe a particular substance
properties
Characteristics that describe a particular substance
Corrosion
When oxygen reacts with metal
Ion
Formed when an atom losses or gains electrons
Product
New substance formed as a result of a chemical reaction
Endothermic
Chemical reaction in which heat is absorbed
Chemical formulas
Identifys the elements and the amount of atoms of each element
Compound
Chemical combination of two or more elements in a specific ratio
Polyatomic ion
Groups of atoms acting as one
Molecular compound
Pure substance formed when non-metals combine
