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