An user Spanish
says…

En general
  suelen
Verb
  ser
Auxiliary
  ricos
Adjective
  en
Adposition
  metales
Noun
  alcalinos
Adjective
estroncio
Noun
titanio
Noun
fósforo
Noun
  y
Coordinating conjunction
  bario
Noun
.

In general, they are usually rich in alkali metals, strontium, titanium, phosphorus and barium.
Words and sentences
New
en general

generally, in general, at large, by and large, overall

New
ser

New
en

  1. in, at, on
  2. in (a time)
  3. in (a language)
  4. used after some verbs and translated by various prepositions in English
  5. in (in various expressions)

New
metales

plural of metal

New
alcalinos

masculine plural of alcalino

New
estroncio

strontium

New
fósforo

  1. phosphorus
  2. match, matchstick

New
bario

barium

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