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Atomic Structure

Mr Greenwood
Horizontales
Effective Nuclear charge
The mass of an atom expressed in atomic mass units
the area around an atom's nucleus where electrons are most likely to be found
A form of an element that has different number of Neutrons
A particle with a positive charge
The attractive force of the electrons to the nucleus.
A negatively charged ion
A particle with a negative charge
Measure of an atom's tendency to attract a shared electron
Energy required to remove an electron
Electrons on the outer most energy level on an atom
Made up of protons and neutrons
The number of protons in the nucleus of an atom
state in which all electrons are at their lowest possible energy level
Verticales
blocking of valence shell electron attraction by the nucleus, due to the presence of inner-shell electrons
The sum of the number of protons and neutrons in the nucleus of an atom
An atom's tendency to attract free electrons
charged atom or group of atoms
standard for the atomic mass unit
Made up of protons,Neutrons,and electrons
state in which electrons have absorbed energy and "jumped" to a higher energy level
The size of an atom
A neutral charged particle
cannot be decomposed into simpler substances by ordinary chemical means
A positively charged ion