At which checkpoint would a cell become arrested if a chromosome was not properly aligned in the spindle?

There are main groups in the modern periodic table of elements

How many grams of aluminum will there be in 98g of al2o3?

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)