Nature Of Science
What is the unit for amount of substance?
mole (mol)
What is a mixture?
two or more substances that are mixed together by have not reacted with each other.
Ionic Compounds are composed of?
a metal and nonmetal
light energy travels in the form of?
waves
Examples of potential energy are?
A roller coaster at the top of the hill stopped, stretched rubber band and a yoyo held in your hand
what order do the prefixes go?
Kilo, Hecto, Deca, Liter/Gram/Meter, Deci, Centi, Milli
What are some examples of extensive properties?
mass, length, volume
What are physical properties of molecular compounds?
low melting points, have covalent bonds, poor conductors of heat or electricity.
What has the longest wavelength?
radio waves
The higher the object and the more mass it has...
the more potential energy it has
Scientific theories do not become what?
a scientific law
What are some examples of intensive properties?
melting point, boiling point, density, ability to conduct electricity, ability to transfer energy as heat, color
what are properties of ionic compounds?
high melting and boiling points, conduct electricity, and formation of crystal structures.
what has the shortest wavelength
gamma waves
Gas pressure is?
the force exerted by a gas per unit surface area of an object
What is the difference between an independent and dependent variable?
What are the three subatomic particles?
protons, neutrons, electrons
what are the 5 types of chemical reactions?
synthesis, decomposition, single replacement, double replacement, combustion
What is amplitude?
the maximum distance a wave extends above its middle position.
what is kinetic energy?
the energy of motion
Convert 0.00612 into scientific notation
6.12 x 103
What are electrons in the outer shell called?
valence electrons
The Octet Rule states
atoms achieve stable electron configuration when they have 8 valence electrons.
when temperature increases what does the average kinetic energy do?
it increases and causes the spacing between the molecules to increase.
What is potential energy?
stored energy