Show:
Atomic Structure
Periods & Groups
Guess Who
Energy Levels
Terminology
100
negative charge
What is an electron?
100
horizontal placement on a periodic table
What is a period?
100
I have 5 electrons
What is boron?
100
electrons in the last energy level
What are valence electrons?
100
basic building block of matter
What is an atom/element?
200
postitive charge
What is a proton?
200
vertical placement on a periodic table
What is a group or family?
200
I have 10 protons
What is neon?
200
level that can hold 8 electrons
What is the 2nd energy level?
200
number of protons
What is atomic number?
300
no charge
What is a neutron?
300
placement by the number of energy levels
What is a period?
300
located on period 3 and group 6
What is sulfur?
300
level that can hold 2 electrons
What is the 1st energy level?
300
number of protons and neutrons?
What is atomic mass number?
400
found in the center of an atom
What are protons and neutrons?
400
placement by the number of valence electrons
What is a group?
400
lightest of all elements
What is hydrogen?
400
number of energy levels in potassium
What is 4?
400
location of electrons
what are energy levels/shells?
500
type of model used to identify the number and location of subatomic particles
What is the Bohr Model?
500
group/family not reactive with other elements
What are the noble gases or group8?
500
combine with chlorine to make salt
What is sodium?
500
maximum number of energy levels
What is 7?
500
developed the first periodic table
Who is Dmitri Mendeleev?