A) proton B) transiton C) transfer D) electron E) directional
A) lead B) boron C) gold D) mercury E) tin
A) the boron family B) actinides C) alkali metals D) halogens E) the hydrogen group
A) noble gases B) rare earths C) common earths D) iron triad E) halogens
A) platinum B) cobalt C) zinc D) lead E) tin
A) the boron family B) lanthanides C) noble gases D) halogens E) actinides
A) group 16 B) group 1 C) group 2 D) group 14 E) group 15
A) Hg B) h C) H D) He E) Hf
A) chlorine B) sugars C) helium D) iodine E) salts
A) They have magnetic properties. B) They are worth more money. C) They glow in the dark. D) They never rust. E) They are liquid metals.
A) families B) triads C) periods D) groups E) metaloids |