Vocab
Chemistry is the study of what?
The study of the composition, structure, and properties of matter, the process that matter undergoes, and the energy changes in this process.
What two properties does matter have?
It takes up space and it has mass
In a glass jar I have an item that has a definite shape and volume what state of matter would it be?
Solid
What would you call an element that is a poor conductor of heat and electricity?
a nonmetal
What branch of chemistry would study the properties of matter?
Physical Chemistry
What do you call substance with indefinite shape and definite volume?
Liquid
In a glass jar I have a substance with a definite volume, but a shape that can change, what state of matter would it be?
Liquid
What is the blend of two or more kinds of matter, each of which keeps its own properties?
mixture
What element is a good electrical and heat conductor?
Metal
What is the smallest unit of an element that maintains the chemical identity of that element?
atom
What is the quantity of matter?
Mass
The bundle of bananas in my kitchen has begun to rot, is this a physical or chemical change?
Chemical
If I melt a piece of wax is this a physical or chemical change?
Physical
What is the significant figure in 0.0103?
3
The substance that react in a chemical change are called the ____. The substances formed by the chemical change are called the ____.
Reactants, Products
If you can break down a substance into simpler substances then it is a what?
Compound
Homogeneous mixtures have a uniform composition and are also called what?
Solution
In a fluorescent bulb I have a substance that is very high in temperature and is made of charged particles, what state of matter is it?
Plasma
The metric system unit to measure liquid volume is ___
Liter (L)
What property depends on the amount of matter that is present?
Extensive Properties
What do you define the transfer of a specific substance into a new one?
chemical change
Describe the difference between a physical and chemical property
physical properties can be observed or measured without changing its identity.
Chemical properties relate to the ability of a substance to change into different substances
Identify the substance described:
I am made of matter, can be separated, and my composition is not uniform, what am I?
Heterogeneous mixture
How many meters (m) in one Kilometer (Km)?
1000
How many Micrometers in a meter?
1000,000