Basic Chemistry
Physical vs Chemical Properties
Atomic Theory
Periodic Properties and Trends
Electon Structure
100
matter
Chemistry is best defined as the study of
100
Chemical change
What is property is burning?
100
atomic theory
What did John Dalton, a school master who studied chemistry and proposed an
100
A horizontal row of blocs in the periodic table.
What is a period?
100
protons and neutrons
What is in the nucleus?
200
mass
What is the amount of material in an object called
200
Physical Properties
What property is density?
200
John Dalton
Who first recognized the ratio of the number of atoms that combine is the same as the ratio of the masses that combine.
200
the family on the periodic table that has all gases and has a complete valence electron shell.
What are noble gas?
200
It is where the electrons located
What is the electron cloud?
300
solid
What state of matter is characterized by definite shape and definite volume?
300
Physical Property
What is property is crushing a soda can?
300
Rutherford
Who conceived that principles of atomic theory which is recognized today.
300
Group 2: Alkali Earth Metal
What group on the periodic table contains only metals?
300
Sodium
What element has the electron configuration has 1s2 2s2 2p6 3s1
400
liquid
What state of matter is characterized by definite volume, but lack of definite shape
400
chemical property
What is property is precipitation, when it is the result of two different liquid solutions being mixed together?
400
Most scientist now know that atoms can be divided and elements exist as isotopes
Most of Dalton's early theory is accepted, except
400
up to 10 electrons
What does the single orbital in the 3d level hold?
400
An element with 8 electrons in its highest main energy level.
What is an octet?
500
Density
What is mass divided by volume?
500
element
What is a substance that can not be separated into a simpler substances by a chemical change?
500
The whole atoms of the same elements combine to form compounds.
What is the law of multiple proportions?
500
they are the metalloids, which have some characteristics of metals and some of the characteristics of nonmetals.
What is a semiconductors and where are they located?
500
The sequence in which energy sublevels are filled
What is the Aufbau principle?
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