Atomic Structure
Which subatomic particle has no charge?
Neutron
The atomic number tells us the number of ________.
Protons
What is the charge of an electron?
Negative (-1)
What are the columns (up and down) of the periodic table called?
Groups
Which atom has more protons?
Se or Br
Br
What is the positive charged subatomic particle?
Protons
Protons 12
Neutrons 14
Electrons 10
What is the Atomic Mass?
26 amu
How many electrons can the n=1 shell hold?
2
What are the rows (left and right) of the periodic table called?
Periods
Which element has the greatest Atomic Mass?
Fe, Au, Hg
Hg
Where are electrons found?
The shells/ energy levels
An atom has
27 protons
+3 charge
How many electrons does it have?
24
How many electrons fit into an orbital?
2
Which period is Boron (B) in?
Period 2
Which atom has the greatest electron affinity?
Al , Cl, Na
Cl
Which subatomic particles are in the nucleus?
Protons and Neutrons
Protons 12
Neutrons 14
Electrons 10
What is the charge?
+2
Which color of light has the highest energy?
Violet/ purple
How many energy levels does Calcium (Ca) have?
4
Which atom has the lowest electron affinity?
Sr, Be, Ra
Ra
How many electrons go in the first oribtal?
2 electrons
An atom has
5 protons
-2 charge
How many electrons does it have?
7
How many Valence Electrons does Sulfur (S) have?
6
Which metalloid is used in computers?
Silicon (Si)
List the elements from least to greatest reactivity:
Sulfur (S), Oxygen (O), Fluorine (F)