Elements, Compounds, molecules
Composed of two or more elements
What is a compound?
Horizontal rows on periodic table
What is periods?
Breaking glass
Nucleus location
What is the center of the atom?
Has a shiny luster, ductile and malleable
What is metals?
A pure substance; cannot be broken down further
What is an element?
Vertical rows on periodic table; Have similar chemical and physical properties
What is groups/families?
Silver spoon tarnishes
What is a chemical change?
Proton charge
What is positive?
Dull luster, not malleable or ductile
What is nonmetals?
H2O
What is a molecule?
Left side of period table
Metals
Physical change in the digestive system
What is teeth grinding up food?
Neutron charge
What is neutral or no charge?
Contains properties of metals and nonmetals
What is metalloids?
Co
What is an element?
Right side of periodic table
Nonmetals
Sugar dissolving in water
What is a physical change?
Electron charge
Can be pulled into a thin wire
What is ductile?
CO
What is a compound?
Metalloids
Heating up sugar until it melts then becomes dark brown
What is a chemical change?
Electron cloud
What is the area surrounding the nucleus and contains electrons?
Can be bent/shaped by pressure
What is malleable?