20 окт. 2020 г. · Group 1 has one valence electron, group-2 has two, and so on.

13 февр. 2012 г. · Group -2 elements have 2 valence electrons in their valence shell.These group elements are commonly called as Alkaline Earth metals.

1 нояб. 2022 г. · 1. **Group 1 (Alkali Metals):** 1 valence electron · 2. **Group 2 (Alkaline Earth Metals):** 2 valence electrons · 3. **Groups 3-12 (Transition ...

27 сент. 2019 г. · In the octet rule, the valence electron must be 8 for the compounds to become stable. Why is it important for compounds to have stability?

19 июн. 2018 г. · Because they have six valence electrons. (I'm counting -2 and +2 as the same, because they're both divalent, and the sign only depends on what ...

22 сент. 2023 г. · Groups two after loss of both valence electrons can attained empty stable valence shell. Hence it is most reactive.

2 авг. 2022 г. · Second group elements Be,Mg,Ca,Ba,Ra have two Valence electrons. Zn, Cd,Hg also have two valence electrons.

11 окт. 2022 г. · One of the trends within the periodic table is the groups, Group 2 metals all have two valence electrons. Group 17 or 7, the halogens all have ...

17 янв. 2018 г. · Group 1A has 1 valence electron. Group 2A has 2 valence electrons. Group 3A has 3 valence electrons.

17 июн. 2019 г. · Group-II element have Valence electron 2. And they can easily lose 2 of their valence electrons for bond formation.