fields of chemistry
states of matter
the atom
electron arrangment
periodic table and trends
100
the study of composition of matter and change it undergoes
What is chemistry?
100
anything that has mass and takes up space
What is matter?
100
the smallest part of an element
What is an atom?
100
"fuzzy cloud" around the nucleus
What are electrons?
100
electrons found in the outermost layer of the shell
What is valence?
200
the second step of the scientific method
What is observation?
200
matter that has uniform and definite composition
What is a substance?
200
negatively charged subatomic particles
What is electron?
200
electrons will only have the configuration with this energy level
What is the lowest?
200
The main difference between classical and quantum mechanics is this.
What is size?
300
concise statement that summerizes the result and many observation and experiments.
What is scientific law?
300
when a substance is altered without changing its chemical composition
What is a physical change?
300
the first person to take modern attempts at discovering an atom
Who is John Dalton?
300
these gases have there outermost shell sublevels filled
What are noble gasses?
300
Metals that quickly bond with anything around them.
What are alkali metals?
400
it never is 100% proven and can always be disproven.
What is a theory?
400
a mixture that isnt chemically uniformed together
What is heterogenus?
400
the actual mass of an element based on all of the isotopes.
What is weight?
400
the plum pudding model had electrons located here
What is the nucleus?
400
this energy increases as you go from left to right across the periodic table.
What is ionization energy?
500
the field that has been benefitted the most from chemistry.
What is medicine and biotechnology?
500
liquid is boiled into a vapor then condensed back into a liquid
What is distillation?
500
James Chadwick discovered this subatomic particle.
What is the neutron?
500
electrons enter the lowest energy orbital first during this principle
What is Aufbau's?
500
This British physicist arranged the elements by order of atomic number instead of atomic mass
who is Henry Moselely?
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