Two electrons
Explanation:
The number of electrons needed to form one single bond is two electrons. A bond is formed when two atoms comes together and exchange their valence electron. Some atoms prefers to share their valence electrons and are called covalent compounds.
- To form a single bond, the two atoms must donate an electron each.
- Double bond is formed by four electrons
- Triple bond is formed by six electrons in the vicinity of the atoms.
- The region where the bond forms is rich in a lot of mobile electrons
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Explanation:
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Answer:
In a collision, there is a force on both objects that causes an acceleration of both objects; the forces are equal in magnitude and opposite in direction. For collisions between equal-mass objects, each object experiences the same acceleration.
Explanation:
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Answer:
The net ionic equation for the given reaction :
Explanation:
...[1]
..[2]
...[3]
Replacing , NaI and in [1] by usig [2] [3] and [4]
Removing the common ions present ion both the sides, we get the net ionic equation for the given reaction [1]:
The answer is D) The boy uses force to move the rock a distance