Krazefannieviz
Answered

(unit3,module3,activity1)

Are there any gaps in your arrangement? Where are they? What do you think these gaps might mean?

Sagot :

Mizuviz
In the family of boron and aluminum and the family of silicon and carbon, we can see that there are gaps. The gaps might be a hint that there are elements that are still unknown during the time of Mendeleev and Meyer....

--Mizu