The History and Arrangement of the Periodic Table

Question 1

Lanthanide:

Revolt · Accepted Answer

promethium

Question 2

Which element below is the most reactive?

Revolt · Accepted Answer

chlorine

Question 3

Which two elements most likely have the most similar properties?

Revolt · Accepted Answer

nitrogen and phosphorus

Question 4

Which element below must be stored in oil because of its reactivity?fluorinechorinesodiumgold

Revolt · Accepted Answer

sodium

Question 5

One of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. Which property fits this description?

Revolt · Accepted Answer

atomic mass

Question 6

Halogen:

Revolt · Accepted Answer

fluorine

Question 7

A group 5A element:

Revolt · Accepted Answer

arsenic

Question 8

Lanthanide:

Revolt · Accepted Answer

promethium

Question 9

Which element below is the most reactive?

Revolt · Accepted Answer

chlorine

Question 10

Which two elements most likely have the most similar properties?

Revolt · Accepted Answer

nitrogen and phosphorus

The History and Arrangement of the Periodic Table Answers

More from this Course

TRY EDGENUITY HACKS