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