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