Success Criteria Flashcards
When has a physical change occurred
NO new substances have occurred
Reversible
When has a chemical change occurred
When bonds are broken between atoms
Not easily reversible
Physical change examples
Melting
Boiling
Breaking
Dissolving
Shredding
Chopping
Chemical change examples
Burning
Digestion
Boiling an egg
Battery usage
Baking a cake
Ripening of fruit
Law of conservation of reactants and products
In the law of conservation, the total mass of the products must equal the total mass of reactants
Difference between chemical and physical change
Physical change is a change in properties, like shape or texture, but chemical change represents the formation of a new substance in a chemical reaction.
What is a molecule
a group of atoms bonded together
What is an element
A chemical element that can not be broken down into any other substances.
What is a compound
a substance made of two or more different chemical elements.
Chemical word reaction example
oxygen + magnesium = Magnesium oxide (MgO)
What is a trend
Patterns and similarities in the periodic table, have similar chemical properties
Groups of metals on the periodic table
Halogens, Noble gases, Alkali, Transition metals, Alkaline earth and non-metals
Noble gases
g18,p1-p6
Rare gases, low reaction rates
Halogens
g17,p2-p6
A chemical element that forms a salt when interacted with metal
Transition metals
g3-g12,p4-p7
Metals that conduct electricity
