Chemistry 1
Chemistry 2
Force and Motion 1
Force and Motion 2
Mix
100
is found by adding the number of protons and neutrons
Mass
100
releases energy
Exothermic reaction
100
distance covered/time took to travel the distance
Speed
100
net force is 0 (no change in motion or object stays at rest)
balanced force
100
What causes an object that is at rest to stay at rest?
Inertia
200
smallest particle to retain the properties of an element
an atom
200
negatively charged particle
electrons
200
Force =
mass time acceleration
200
forces act in pairs
Newton's 3rd law of motion
200
MAN stands for
Mass - Atomic Number = Neutrons
300
smallest particle of an atom
electron
300
outermost electrons are called
Valence electrons
300
Forces in opposite directions are
subtracted
300
amount of matter in an object is
Mass
300
it has a negative charge and much less mass than a proton
Electron
400
Elements to the left of the Periodic Table
Metals
400
Which one is a compound: O2 or CO2
CO2
500
An atom has 9 protons, 10 neutrons and 7 valence electrons. What is the element?
fluorine
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