Elements & Compounds
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There are ___ different types of elements that humans have discovered
118
What is the smallest piece of an Element to exist?
Atoms
What makes Different Compounds?
Combining different Atoms 2 different Elements
Compound
2 or more different Elements joined together
Element
1 type of Atom joined together
Where are Metals found on the Periodic Table?
On the left side They have fewer electrons when a metal reacts, they lose Electrons to form Ions
Properties of Metal
High Melting and Boiling points Good conductors of heat and electricity All Solids (except Mercury)
Where the non-metals found on the Periodic Table?
On the right side When non-metals react they either Gain Electrons to form negatively charged Ions Share Electrons to form Neutral Molecules
Properties of non-metals
Lower Melting and Boiling points Often found as Gases Generally do not conduct heat or electricity