<em>Answer:</em>
- The atom have a full valence electron shell.
<em>Explanation:</em>
- My question is that why covalent bonds take place?
Every atoms tends to from bond with another atoms in order to get nearest electronic configuration of nobel gases. They become stable when their valence shell become complete. So when covelant bond forms between atoms, share electrons to each other and stabilize themselves.
Se: Selenium
Protons: 34
Electrons: All atoms in the periodic table are neutral until changed otherwise
Neutrons: 44
Atomic Mass: 78.09
>Symbol attached<
Answer:
A fly hits a windshield of a truck.
Explanation:
newton's first law
In the year 1909, Robert A. Millikan and Harvey Fletcher performed the oil drop experiment.
Answer:
23
Explanation:
if if you look at the screenshot it has the explanation