Atom
Atom is made of ______________ particles
subatomic
Element is made of __________
Metals
What is the name of Group 1
Alkali Metals
How many atoms are there in CO2?
3
What are the 3 subatomic particles?
Proton, electron, and neutron
What type of elements are poor conductor?
Non metals
The right side of the Periodic Table is made of ______________________
Nonmetals
What is the name of Group 2
Alkaline Earth Metals
Compound is made of ____________________
2 or more DIFFERENT elements
What gives the identity of an atom?
Number of protons
What type of elements are malleable?
Metals
Periodic Table is arranged according to
Increasing atomic number
What is the name of Group 17
Halogens
How many atoms are there in H20?
3
What is inside of a nucleus?
Protons and neutrons
Metalloids
Elements on the periodic table are ________________ and _________________________.
Naturally occuring and man made
What is the name of Group 18
Noble Gases
Is H20 a molecule or compound?
Elements in the same group have the same number of __________________
Valence electrons
How many elements are there in a Periodic Table?
118
What is a valence electron?
Electron in the outermost shell
What is the most reactive metal group?
Alkali metals
Is O2 a compound?
No