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Electron Configuration
Periodic Chart
Matter
Measurements
Atomic Structure
100
spherical shaped
What is s orbital?
100
elements that are located along the zigzag line
What are metalloids?
100
state of matter of a vapor
What is a gas?
100
the number of significant digits in 45,000
What is 2?
100
located outside of nucleus and has a negative charge
What is an electron?
200
the number of orbitals in the p sublevel
What is 3?
200
makes up 80% of the periodic chart
What are metals?
200
indefinite shape but definite volume
What is a liquid?
200
the SI unit of mass
What is the kilogram?
200
atomic number of 9
What is fluorine?
300
the sublevel that is after 3s
What is 3p?
300
the two rows located at the bottom of the periodic chart
What are inner transition elements?
300
pizza, vegetable soup, soil
What are heterogeneous mixtures?
300
absolute zero
What is 0 K?
300
Li-7 is an isotope. this is the mass number
What is 7?
400
the sublevel that is after 4s
What is 3d?
400
the only metal that is a liquid at room temperature
What is Hg?
400
oxygen, sugar, water
What are pure substances?
400
number of significant digits in 0.050010
What is 5?
400
number of electrons in Al-27
What is 13?
500
Has 3 electrons on the 2nd energy level
What is Boron?
500
nitrogen, oxygen, fluorine, chlorine, bromine, and hydrogen
What are diatomic molecules?
500
air, sprite, stainless steel
What are homogeneous mixtures?
500
mass divided by volume
What is density?
500
the number of neutrons in H-2
What is 1?