লক্ষ্য করুন: এই এন্ট্রির অনুবাদ বর্তমানে মান পর্যালোচনার অধীনে রয়েছে, তাই কিছু বিষয়বস্তু সাময়িকভাবে শুধুমাত্র ইংরেজিতে প্রদর্শিত হচ্ছে।
এই এন্ট্রিটি এখনও আপনার ভাষায় অনুবাদ করা হয়নি, তাই নিচে মূল লেখাটি দেখানো হচ্ছে।
valence electron
This term is a technical specification used primarily in chemistry and physics to describe the electrons in the highest energy level of an atom. It carries a neutral, scientific connotation and is used to explain the chemical reactivity and bonding behavior of elements.
In a pedagogical context, the term is often contrasted with core electrons, which are the inner electrons that do not typically participate in chemical reactions. The concept is central to the octet rule and the prediction of molecular geometry.
Meanings
Examples
Carbon has four valence electrons in its outer shell.
I wonder if this element will lose a valence electron to become stable.
The teacher explained how a valence electron can be shared between two atoms.
Noble gases are stable because they have a full set of valence electrons.
Does sodium have one valence electron or two?
The movement of a valence electron from one atom to another creates an ionic bond.
Wait, so the valence electron is the only one that actually reacts?
Alkali metals are highly reactive due to having a single valence electron.