Definitions
Define Matter
anything that takes up space and has mass
a vertical column on the periodic table
Groups
whats the formula for newtons 2nd law?
F=ma
energy in the form of motion
kinetic energy
what is the formula for weight?
w=F=ma=m(9.8)
Define Density
the mass of a substance per unit volume
horizontal rows on the periodic table
Periods
what is newtons 1st law?
an object moving at a constant velocity keeps moving at that velocity unless an unbalanced force acts on it
stored energy(J)
potential energy
total distance traveled divided by total time traveled
average speed
Define Compounds
two or more atoms chemically bonded to one another in a fixed proportion
number of protons & neutrons in an atom
mass number
what is newtons 2nd law?
a net force acting on an object causes the object to accelerate in the direction of the net force
the sum of kinetic & potential energy in a system(J)
mechanical energy
define instantaneous speed
speed at a given point in time; this is what is shown on a speedometer
Define Homogeneous Mixture
components are evenly distributed out on microscopic level
number of protons in an atom
atomic number
what is newtons 3rd law?
when one object erects a force on a second object, the second object exerts a force on the first object that is equal in size & opposite in direction.
material that allows heat or electricity to flow easily
conductor
heterogeneous mixture
substances that are not spreaded
Define Law of Conservation of Matter
matter is neither created nor destroyed during a chemical change
weighted average of all isotopes of a particular element
atomic mass
what is another saying for newtons 3rd law
every action has an equal & opposite reaction
transfer of energy
work
the tendency of an object to resist a change in its motion
inertia