24 мар. 2018 г. · Reactivity increases down the group, as the valence electron is further away from the nucleus due to the greater number of electron shells. This ...

24 дек. 2017 г. · As we go down the group, the atom gets bigger. Therefore, the attraction between the nucleus and the last electron gets weaker. This makes it ...

8 сент. 2017 г. · In a reaction, this electron is lost and the alkali metal forms a +1 ion. As you go down group 1, the number of electron shells increases – ...

3 нояб. 2017 г. · As we move down in group 1, the atomic radius increases and ionisation energy decreases. Both these factors make losing the outermost electron ...

1 июн. 2017 г. · In a reaction, this electron is lost and the alkali metal forms a +1 ion. As you go down group 1, the number of electron shells increases – ...

7 авг. 2018 г. · Simply stated: As you go down group 1, the number of electron shells increases – lithium has two, sodium has three, and so forth.

30 нояб. 2017 г. · As you go down the group, the atomic radius increases, putting the valence electron far away from the nucleus, less attracted by the nucleus and ...

27 янв. 2018 г. · DOWN a Group: In METALS reactivity INCREASES as you go DOWN a Group because the farther down a Group of metals you go, the easier it is for ...

4 нояб. 2020 г. · As you descend Group 1, the elements in it become more reactive. In other words, the reactivity of the so-called alkali metals increases.

21 мар. 2017 г. · DOWN a Group: In METALS reactivity INCREASES as you go DOWN a Group because the farther down a Group of metals you go, the easier it is for ...