The energy required to break one mole of Cl - Cl bond is 242 kJ/mol
Answer:
All the members of a group of elements have the same number of valence electrons and similar chemical properties.
Explanation:
The vertical columns on the periodic table are called groups or families because of their similar chemical behavior.
Answer:
Hey mate....
Explanation:
This is ur answer....
.
Kavisharma/ Haezel is the admin of brainly......
hope it helps,
mark me as the brainliest.....
Follow me......xd
Answer:
2-
Explanation:
For an element to be stable, it must follow the octet rule: an atom will gain, lose or share electrons until its valence shell is complete with 8 electrons.
An element with the valence electron configuration ns²np⁴ has 6 (2+4) electrons in its valence shell. Thus, in order to fulfill the octet, it will gain 2 electrons. As a consequence, it will form an anion with charge 2-.
The attraction of like water molecules to each other is called cohension