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oksano4ka [1.4K]
3 years ago
10

Chlorine exist in Nature as two Chlorine atoms covalently bonded together Why does this occur

Physics
2 answers:
maxonik [38]3 years ago
4 0
The two chlorine atoms are said to be joined by a covalent bond. The reason that the two chlorine atoms stick together is that the shared pair of electrons is attracted to the nucleus of both chlorine atoms. Hydrogen atoms only need two electrons in their outer level to reach the noble gas structure of helium.
Salsk061 [2.6K]3 years ago
3 0

Answer:

It is one of the 7 diatomics

Explanation:

Br

I

N

Cl

H

O

F

^ these are the 7 diatomic molecules. Atoms of these elements exist as a molecule consisting of two covalently bonded atoms of the same element.

Simply put, for these elements, the diatomic state of the atom is much more stable than the unbound one.

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Ratling [72]

Answer:

D) momentum of cannon + momentum of projectile= 0

Explanation:

The law of conservation of momentum states that the total momentum of an isolated system is constant.

In this case, the system cannon+projectile can be considered as isolated, because no external forces act on it (in fact, the surface is frictionless, so there is no friction acting on the cannon). Therefore, the total momentum of the two objects (cannon+projectile) must be equal before and after the firing:

p_i = p_f

But the initial momentum is zero, because at the beginning both the cannon and the projectile are at rest:

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So the final momentum, which is sum of the momentum of the cannon and of the projectile, must also be zero:

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tensa zangetsu [6.8K]
The equation to be used here is the trajectory of a projectile as written below:

y = xtanθ +/- gx²/2v²(cosθ)²
where
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Correct option is (C) inverse ; more

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