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