English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

2007-01-06 04:37:46 · 4 answers · asked by Anonymous in Science & Mathematics Chemistry

4 answers

yes!

"Rare earth elements" and "rare earth metals" are trivial names sometimes applied to a collection of sixteen chemical elements in the periodic table, namely scandium, yttrium, and fourteen of the fifteen lanthanides (excluding promethium), which naturally occur on the Earth.

2007-01-06 04:40:36 · answer #1 · answered by Som™ 6 · 0 0

Scandium Family Name

2017-01-16 15:44:16 · answer #2 · answered by Anonymous · 0 0

Scandium is one of the d block element. Yes, it is very rare.

2007-01-06 04:51:17 · answer #3 · answered by li mei 3 · 0 0

platinum is a transition metallic interior the sub-team it incredibly is declared as noble metals as they don't react lots it is not a uncommon earth metallic-those are the backside, separated 2 rows of the usually periodic table as regularly drawn (those with terminal f electrons)

2016-10-30 04:13:46 · answer #4 · answered by Anonymous · 0 0

fedest.com, questions and answers