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