Atomic Structure
What is the positively charged subatomic particle?
Proton
The atomic number tells us the number of ________.
Protons
The charge of an electron.
-1
What period is Boron from?
Period 2
This Russian chemist is known as the Father of the Periodic Table.
Dimitri Mendeleev
Which subatomic particles are in the nucleus?
Protons and Neutrons
Protons 12
Neutrons 14
Electrons 10
What is the Atomic Mass?
26 amu
How many energy levels does Calcium (Ca) have?
4
These are the 3 element classifications.
Metal, nonmetal, metalloid
Metal that produces a blue-green color.
*Think of the flame test
Copper
Electrons on the outermost energy level.
Valence Electrons
An atom has
27 protons
+3 charge
How many electrons does it have?
24
How many electrons can the p sublevel hold?
Which atom has more protons?
Se or Br
Br
What charge will all group 2 elements form?
+2
Used to determine the number of energy levels in an atom.
Period (row) number
Protons 12
Neutrons 14
Electrons 10
What is the charge?
+2
This electron movement leads to the emission of a photon.
Relaxing; Excited to ground state
Which atom has the greatest atomic radius?
Na, Ca, Ga
Ca
What is the name of group 18 elements?
Noble Gases
How many electrons go in the first oribtal?
2 electrons
An atom has
5 protons
-2 charge
How many electrons does it have?
7
What is the electron configuration of Boron (B)?
1s22s22p1
Which atom has the lowest electron affinity?
Sr, Be, Rb
Rb
How many Valence Electrons does Sulfur (S) have?
6