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16 Cards in this Set

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Definition of Atom?
Atoms are the fundamental unit of all matter.
3 constituent of an Atom
Protons (+), Neutrons (neutral), Electrons (-)
What is a molecule?
A compound of a defined number of atoms in a particular spatial relationship.
Chemical bonding
The process of chemical combination and re-arrangement.
Ionic bond
A linkage in which 2 or more ions are bonded to eachother by virtue of their opposite charge.
Covalent bond
Type of chemical bond in which 2 atoms are linked through a sharing of electrons.
Hydrogen bond
A chemical bond that links an already covalent bonded Hydro atom with a second, usually with electronegative atom.
Solvent, Solute, Solution
- Salt is being dissolved
- Water is doing the dissolving
- The mixture of salt & water
Matter
Anything that takes up space and mass.
Element
A substance that is pure because it cannot be reduced to any simpler set of component substance through chemical process.
Atomic number
The number of protons in the nucleus of an atom.
Isotopes
The number of neutrons contained in its nucleus.
Law of conservation of mass
Matter is neither created nor destroyed in a chemical reaction.
Polar covalent bond
Electrons are shared unequally between atoms. One end of an atom will have a (-) charge & the other (+)
Non polar covalent bond
Electrons are shared equally between atoms.
Ion
A charged atom whose # of electrons differ from its # of protons