Science Elements- & atoms

36 terms by L0v3purpl3island 

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20 elements & atom definitions.. hope this helps

H

hydrogen

Li

lithium

Be

Beryllium

N

nitrogen

F

fluorine

mg

magnesium

A

aluminum

si

silicon

P

phosphorus

Cl

chlorine

atom

the smallest particle of an element that still has the properties of the element

atomic mass

the average mass of the element's atoms ; the total number of protons and neutrons in the atom

atomic nucleus

dense center of the atom where the protons and neutrons are located

atomic number

the number of protons : the identification number of the atom

compound

a substance made from 2 or more elements whose atoms have been chemically bonded together

electron

the negatively charged subatomic particle ; orbits the nucleus

electron-cloud model

the most current model of how the electrons move around the nucleus

element

substances that CANNOT be broken down into other substances

compound

a substance made from 2 or more elements whose atoms have been chemically bonded together

molecule

the smallest part of a compound that has the properties of that compound

neutron

the neutral subatomic particle; found in the nucleus

outer shell

the location of the electrons that are involoved in bonding
*every atom's goal in life is to have a full outer shell

neutron

the neutral subatomic particle found in the nucleus

periodic table

a table of the elements arranged by atomic number and grouped by similar properties

proton

the positivity charged subatomic particle ; found in the nucleus in the nucleus of the atom

malleable

able to be pressed into thin sheets
*aluminum

ductile

able to be stretched into wire

alloy

a solid mixture of atoms

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