Atomic Diagrams - Fluorine
Chemistry Vocab
Phase Changes
Water Cycle
Anything goes...
100
How many protons are in fluorine?
9
100
What is an element
The smallest unit of matter - composed of 1 atom
100
What is the phase change when a liquid turns into a solid?
Freezing
100
What is it called when water falls to the earth from the atmosphere? (Hint: not rain)
Precipitation
100
How do you find the volume of an object?
Length x width x height
200
How many neutrons are in fluorine
10
200
What is the element with the smallest atomic mass?
Hydrogen
200
What is the phase change when a liquid turns into a gas
Boiling
200
What is it called in the water cycle when water changes into its gaseous phase and enters the atmosphere?
Evaporation
200
Burning a match - physical or chemical change?
Chemical
300
How many electrons are in fluorine
9
300
Is a mixture combination of substances to form a physical or chemical change?
Physical combination of substances
300
What is it called when a solid turns into a liquid
Melting
300
What is it called when water leaves exits plants leaves to enter the atmosphere?
Transpiration
300
How do you find the density of a substance?
Density = mass/volume
400
What is the atomic mass of fluorine
19
400
What is the difference between a compound and a molecule?
A molecule is when two or more atoms are joined together (can be the same atoms) A compound is at least 2 different elements joined together
400
What is it called when a gas turns into a liquid
Condensation
400
What is it called when water changes from a gas to a liquid in the atmosphere?
Condensation
400
The boiling point of water - Is that a physical change or a physical property?
Physical property
500
Draw an atomic diagram of fluorine
--Check with teacher--
500
Is salt water physical or a chemical property?
Physical - salt and water can be easily separated from each other
500
What phase is it when particles are furthest apart?
Gas
500
List 3 types of water pollution
Sewage runoff - nutrients, oxygen levels decrease Chemical pollution - toxic substances released into the water Disease carrying microorganisms - bacteria and viruses Suspended matter - increase the turbidity of the water
500
What is the difference between mass and weight?
Mass is the amount of matter something has in it Weight is the force that is applied due to the acceleration of gravity
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