properties/ changes
The substance is combustible or reactive. These properties describe a physical or chemical property.
Chemical
this is the simplest type of matter with one atom and cannot be broken down
elements
A
elements
Atoms flow freely everywhere (solid, liquid, gas)
gas
The real name for the rows on the periodic table.
PERIODS
Describe what physical properties are.
anything you can observe with senses or measure
Salt (NaCl) is Sodium bonded to Chlorine. This is an example of a
compound
B
compounds
indefinite shape, definite volume (solid, liquid, gas)
liquid
There are 18 __________ on the periodic table.
Groups
When citric acid and baking soda are mixed, carbon dioxide is produced and the temperature decreases. This is an example of a _________ change. (physical or chemical)
chemcial
What is the difference between elements and compounds?
compounds have two or more elements
C
mix of elements
Describe how the atoms would look in a beaker if the item were a solid.
Name three properties of metals.
luster, durable, conductors, react with acid
Grinding kosher salt into a powder is an example of a _________ change (physical or chemical)
Physical
Name the three mixtures we talked about when drawing the pictures.
mix of elements, mix of compounds, mix of both
D
Mix of compounds
What is the name of a "liquid to a solid" phase change?
freezing
Where are the nonmetals on the periodic table?
right plus H
Boiling point is what type of property? Name Both types (physical or chemical) and (intensive or extensive)
physical, intensive
What type of mixture would salt water be? What type of mixture would ocean water be? Explain why
homogeneous- same when dissolved
heterogeneous - different, shells, kelp
Draw a mix of elements and compounds
single circles and together cirles
What is the name of a "liquid to a gas" phase change?
evaporation
What are the 7 metalloids?
B, Si, Ge, As, Sb, Te, Po