Elements & Compounds Flashcards
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