Metric System & Scientific Notation
Rewrite 137,000,000 in scientific notation
1.37 x 10^8
A property of matter that can be observed or measured without changing the identity of the matter
Physical Property
Individual Substances that are not evenly mixed
Heterogeneous/Heterogenous Mixture
Anything that has mass and takes up space
Matter
The particles move the slowest in this kind of matter
solid
Convert 1.23 x 10^-5 into standard notation
.0000123
Density=
Mass/Volume
The individual substances are evenly mixed
Homogenous/Homogenous Mixture
A small particle that is a building block of matter
Atoms
When the system absorbs energy from its surroundings
Endothermic
convert 1 centimeter to dekameter
.0001
What are 2 signs of a chemical change?
Formation of a precipitate, formation of bubbles, change in color, change in temperature, odor production
The thing that is being dissolved
solute
In the center of an atom that contains protons and neutrons
Nucleus
This happens when you boil pasta and the water changes from a liquid to a gas
Vaporization
convert .001 kilograms to miligrams
1,000
The ability to be pounded into thin sheets
Malleability
Water is an example of this because it does the dissolving
solvent
What is the charge of a proton, Neutron, and electron?
Proton- positive, neutron- neutral, electron- negative
A solid to a gas. Dry ice is an example
Sublimation
What is the acronym for remembering the order of the metric conversion step ladder?
King Henry Died by Drinking Chocolate Milk (KHDBDCM)
What are three ways to increase solubility?
Heat, Stir, Grind
Matter with a composition that is always the same (H2O is an example)
Substance
This surrounds the outside of the nucleus
Electron cloud
Gas to a solid. Formation of crystals
Deposition