perodic table vocab
Terms
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- Periodic Law
- a ordered iist of the atomic numbers
- Nucleus
- charged core of an atom containing most of its mass
- Electron
- subatomic particle with negative charge.
- Average Atomic Mass
- ask about it
- Ductile
- a metal able to be drawn out into a thin wire
- Metal
- solid material that is typically hard and shiny,good elctrical and thermal conductivity
- Mass Number
- total number of protons and electrons
- Ion
- An atom or molecle with a net electirc charge due to the loss or gain of one or more electrons.
- Electronegativity
- electrons and form negative ions in chemical reations.
- Neutron
- same mass as a proton bu without eletric charge.
- Isotope
- two or more froms of the same element that ontain equal numbers of protons but different numbers of neutrons.
- Metalloid
- a element whose properties are intermediate between metal and solid nonmetals.
- Malleable
- permanently out of shape without breaking or cracking.
- Valence
- combining power of a element.
- Atomic Number
- number of protons in the nucleus of an atom
- Proton
- chimical element that has a characteristic number of protons in the nucleus.
- Non-Metal
- a element or substance that is not metal.
- Period
- elements occupying an entire horizantal row in the periodic table.