Conectare
WAEC - Chemistry (2015 - No. 12)
The alkaline earth metals have similar chemical properties because________?
They are in the same period
Their salts are colourless
They have the same number of valence electrons
They are very reactive
Comentarii (0)
Autentifică-te pentru a comenta
Publicitate
Permiteți javascriptului să încarce corect această pagină
