Atom
Periodic Table and Trends
States of Matter
Thermochemistry
Fields of chemistry
100
this is the smallest unit of an element
What is an atom?
100
the chemical symol for this element is Na
What is sodium
100
it flows and the particles are loosly packed together
What is a liquid
100
thermochemistry is concerned with this
What is heat?
100
Chemistry is the study of this
What is matter?
200
these are negatively charged subatomic particles that circle around the nucleus
What are electron
200
these are located in the middle of the periodic table
What is transition metal
200
this word refers to motion
What is kinetic?
200
heat is represented by this letter
What is q?
200
the first step of the scientific method is this
What is a question ?
300
The model of the atom suggested by Thomson
What is the plum pudding model?
300
this group of elements does not react with other elements
what are nobel gases
300
these substances contain particles with higher average kinetic energy than cooler substances
What is hotter
300
the ability to do work or supply heat
What is energy
300
after a hypothesis has been repeatedly tested and supported it becomes this
What is a theory
400
This is the trend seen in electron energy as it moves from the nuclues
What is increases
400
this group has the most electronegaitivity on the periodic table
What are halogens
400
as this decreases, the particles move slower and slower and slower
What is temperature
400
the quantity of heat needed to raise 1 gram of water by 1 degree C
What is calorie
400
This law is a concise statement that summerizes the results of many observations and experiments
What is a scientific law?
500
This greek philospher discovered the atom
What is democritus
500
this radioactive element is found in the actinide series
What is uranium
500
using this you can represent the relationship among solid, liquid, and vapor states of a substance in a sealed container
What is a phase diagram?
500
allows us to measure a heat of reaction
What is hess's law
500
this is the study of compostition of matter
What is analytical chemistry?
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