20 terms

Chemistry Vocab 2- Science


Terms in this set (...)

an ion with a negative charge- formed by gaining electrons
an ion with a positive charge- formed by losing electrons
Chemical Bonding
the force that holds atoms together
Chemical Formula
chemical symbols that show the ratio and amount of elements in a compound
Covalent Bond
a chemical bond that results from the sharing of electrons
Diatomic Molecule
elements that covalently bond with themselves to form a molecule
metal that can be drawn into a thin wire
Electron Dot Diagram (aka Lewis Structures)
a shorthand representation of the valence electrons in an atom
How to Write the Formula for an Ionic Compound
write the symbol for your metal first, then your nonmetal second
an atom that has an electrical charge
Ionic Bond
a chemical bond between oppositely charged ions
Ionic Compounds
form salts
Ionic Compounds Will Conduct Electricity
when dissolved in a liquid
metal being hammered into a thin sheet
they normally lose electrons during chemical reactions- usually form positive ions
Naming Ionic Compounds
the name of the metal comes first, followed by the name of the nonmetal, changing the nonmetals ending to "ide"
they normally gain electrons during chemical reactions- usually form negative bonds
Octet Rule
atoms gain or lose electrons to get a full outermost energy level
tell the amount of atoms in a compound
Valence Electrons
outermost electrons which will determine bonding

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