Science Test 2.1
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Atom
A particle of matter that uniqely defines a chemical element (c6h12o6)
Nucleus
Contains genetic materials
Element
A piece of matter (ask ms h)
Isotope
an Atom that has the same # of protons but a different # of Neutrons
Compound
Substance made up of two or more chemical elements
Atomic Number
of protons in single matter
Atomic Mass
Average mass of atoms in a chemical element
Ionic Bond
When two or more atoms after the transfer of one or two or more electrons
Covalent Bond
Formed by the equal sharing of electrons from two atoms
Molecule
Two or more chemical atoms connected by a Bond
Hydrogen Bond
A weak bond between two molecules resulting in an electroastactic attraction between two molecules
Ion
An Atom or group of atoms that carries a posotive or negative charge as a result of having lost or gained more than one electron
What three subatomic particles make up the atom?
Protons, Neutrons, Electrons
What is the charge/location of each?
ASK MS H
What particle is responsible for the identity of an element?
Proton
What particle is responsible for bonding?
Electrons
How are all of the isotopes of an element similar and different from each other?
Same protons but different neutrons
How do covalent bonds form
When electrons are shared between atoms and are attracted by the nuclei of both atoms
How do Ionic bonds form
The transfer of one or more electrons between atoms
What are the relative strengths of the three bond types?
Triple Bond Double Bond Single Bond