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