Periodic Table Flashcards
1
Q
What’s the periodic table
A
The periodic table is the arrangement of elements by atomic number , groups and periods
2
Q
How’s the modern day periodic table arranged
A
The modern day periodic table is arranged in order of atomic number , groups with other elements of similar properties and periods
3
Q
The periodic table is called it because
A
Because similar properties occur at regular intervals
4
Q
The law of octaves
A
Every 8th element is similar Presumed every element was discovered Placed in octaves even if not similar Only worked to calcium Element were arranged in mass
5
Q
John newlands
A
Law of octaves
