Category: S-BLOCK ELEMENTS

A. Ca and P
B. S and P
C. Ca and S
D. we could not apply

A. Gypsum
B. Dolomite
C. Calcite
D. Plaster of Paris

A. Low electronegativity
B. Low electropositivity
C. Low charge density
D. Not known yet

A. Hydroxide ions to reach anode
B. Chlorine gas to mix
C. Cathode to decay
D. All of the above

A. Francium
B. Caesium
C. Rubidium
D. Radium

A. Na2CO3
B. K2CO3
C. (NH4)2CO3
D. CaCO3

A. LiOH
B. NaOH
C. KOH
D. CsOH

A. Triggers hydration
B. Triggers hydrolysis
C. Prevents rapid hardening
D. all of the above

A. Na
B. Cr
C. Li
D. K

A. A1+3
B. Cs+
C. Ba+
D. Mg+2