Answer:
I think it is necessary.
Explanation:
Without the "a" it's like you're asking a question, when you add the "personal a" you're saying it as in you did that!
Answer:
1. b
2. a
3. c
4. d
un poco (a little bit): es una frase usada para decir que no quieres mucho de una cosa
ambos (both): se usa para referir a dos cosas o dos personas
contraste (contrast): es cuando hablas de las diferencias entre personas u objetos
baratisimo (super cheep): es un superlativo para decir que algo no costó mucho dinero
Explanation:
Metallic character refers to the level of reactivity of a metal. Metals tend to lose electrons in chemical reactions, as indicated by their low ionization energies. Within a compound, metal atoms have relatively low attraction for electrons, as indicated by their low electronegativities.
