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