Chemical Bonding and Atomic Structure: A Comprehensive Guide
Classified in Chemistry
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Metal + nonmetal = ionic bond
Nonmetal + nonmetal = covalent bond
Metal + metal = metallic bond
Electron filling pattern: 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f
Physical Changes
- Do not create a new substance.
Chemical Changes - Do produce new substances.
Ions - Atoms can gain or lose electrons to form ions (atoms with a charge.
• Anion - Atom with a negative charge.
• Cation - Atom with a positive charge.
quantitative= number/amount, qualitative= observation of physical change
alkali metals the column of elements from lithium to francium.
Alkaline earths the column of elements from beryllium to radium.
Halogens the column of elements from fluorine to astatine.
The Periodic Law states that the physical and