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Define Orbital
A region around the nucleus that can hold up to 2 electrons, with opposite spins
Shape of an S orbital
Sphere
Shape of a P orbital
Dumb bell
Define principal quantum number
The shell number or energy level of an atom
How many electrons can be held in each shell?
1 - 2 electrons
2 - 8 electrons
3 - 18 electrons
4 - 32 electrons
Define sub shell
A group of orbitals of the same type within a shell
Explain the blocks of a periodic table
Block elements (such as S block) have there highest energy electrons in the subshell named. (So s block elements like Sodium have their highest energy electrons in an s sub shell)
Define an ionic bond
An electrostatic attraction between ions of opposite charge
Difference between cations and anions
Cations are when metal atoms lose electrons and become positive ions
Anions are when non metal atoms gain electrons and become negative ions
What is an ionic bond?
It is the electrostatic attraction between ions of opposite charge.
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