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Ch 4 voc

phyisical science

QuestionAnswer
A large counting. Mole
Equals 6.02x10^23 Avogador's Constant
The mass in grams of 1 mol of a substance. Molarmass
A ratio that is derived from the equality of two different units. Conversion factors
an atoms central region. Nucleus
A subutomic Particle that has a positive charge and that is found in the nucleus of an atom. Proton
A subutomic particle that has a negative charge. Electron
A subutomic particle that has no charge. Neutron
A regional in an atom where where there is a high probability of finding electrons. Orbital
An electron that is found in the outer most shell of an atom. Valenc Electron
A horrizontal row of the elements in the periodic table. Period
A verticle column of elements in the periodic table. Group
An atom that has gained or lost one electron and has a negative or positive charge. Ion
Number of protons in the nucleas of an atom. Atomic Number
The sum of the numberes of protons and neutrons in the nucleus. Mass Number
An atom that has the same number of protons as other atoms of the same element. Isotope.
The wieghted average of the masses of all naturally occuring isotopes of an element. Average Atomic Mass
Can be stretched and shaped. Metal
Found on the right side of the periodic table. Nonmetal
Sometimes considered to be in its own group. Semiconductor
Soft, Shiny, reacts with water. Alkali Metal
One of the elements of group 2 of the periodic table. Alkaline-Earth Metal
One of the metals that can use the inner shell before using the outer shell. Transition Metal
One of the elements Group 17 on the periodic table. Halogen
Created by: Myles Singleton
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