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