Show:
Periodic Table
Periods/Ions
Groups/Bonds
Elements/Compounds
Valence Electrons
100
Who created the periodic table?
Dimitri M.
100
How many periods are there?
7
100
How many groups are there?
18
100
How many metalloids are there?
8
100
How many valence electrions are there total?
8
200
The Majority of the periodic table are Metals, Non Metals, or Metalloids?
Metals
200
What period is the element Lead in?
6
200
Which group are the Alkaline Metals?
2
200
Give an oxidation number for Potassium?
+1
200
Which group has 8 Valence electrons
Noble
300
Who created the periodic table that we use today?
Henry Moseley
300
How do ions form?
Due to loss or gain of valence electrons.
300
Which group are the Noble gasses in?
18
300
What's an oxidation number?
The charge assigned to an element that affects the number of electons.
300
What kind of diagram can you make with valence electrons?
Lewis Dot Diagram.
400
What is the periodic law?
Chemical and physical properties that occur in a repeating pattern with an increasing atomic number.
400
Whats the difference between cation and anion?
Cation= atom with positive charge Anion= atom with negative charge.
400
What are ionic compounds?
They are formed together when atoms gain or lose electrons to get an octet of electrons in its outer energy level.
400
What are the two general types of compounds?
Ionic and Covalent
400
How many valence electrons does Boron have?
3
500
How many elements are on the periodic table?
118
500
What period is Helium in?
1
500
When does a chemical bond occur?
When two atoms join together to form a compound.
500
What are covalent compounds?
They are formed between atoms that are sharing electron to complete their octet.
500
Does transition elements have valence electrons?
No