Vocabulary
Malleability means a material can...
Bend without breaking.
A property describes...
the characteristics of a material.
What is a molecule?
When 2 or more atoms are chemically bonded together.
List the 3 states of matter.
Solid, Liquid, and Gas
Where does Ms. Sokola teach science?
BMS
Smallest building block of matter.
A physical property is an...
observed or measured characteristic that describes how a material behaves.
What is a compound?
When two or more different elements are chemically bonded.
True or False:
All states of matter have kinetic energy.
True
All particles of matter are __________ to see.
too small
What is an element?
Simplest, purest, substances.
Describes how a material reacts with another substance.
Which of these is not a compound?
a: CH4
b: H2
c: H2O
H2
Which state of matter has the least kinetic energy?
Solids
What is the correct chemical symbol for Gold?
Au.
Why does oil float on water?
The oil is less dense than the water.
List 4 physical properties studied in our chemistry of materials unit.
Density, State of Matter, Malleability, Solubility
How many different types of elements are in the following compound?
Rust: Fe2O3
Two
When a liquid evaporates to become a gas, particles _____ thermal energy.
Gain
Name one material that was chemically reactive to the hydrochloric acid.
Limestone, Aluminum, Calcium Carbonate
What is an extended structure?
A varied number of one or more kinds of atoms bonded together to form a large network.
By changing the structure of a substance what else will change?
The function and therefor its properties.
How many atoms are in this molecule?
Na3C6H5O7
21
As heat is added to a substance, the substance _____ kinetic energy.
gains
What is the chemical formula for methane?
CH4