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Chemistry

2 answers:

oksian1 [2.3K]3 years ago

8 0

Explanation :

An x-ray technician will place a lead cloth over parts of your body when taking an x-ray to protect your cells from being damaged. This is due to the reason that x-rays have the potential to harm our body.

X-rays have shorter wavelength while radio waves have a longer wavelength. Also, the frequency of x-rays are more and the radio wave is less.

Since energy is directly proportional to frequency, so x-rays carry more energy which transferred to our body.

When the human body is directly exposed under x -rays, the electrons of x-rays strikes and due to this our DNA chains can break. This can leads to cancer.

Sergeu [11.5K]3 years ago

6 0

Radio waves can harm people, but due to the wavelength of the X-Rays which are extremely dangerous to humans, and the wavelength of Radio waves (which are calm compared to the way X-Rays look) compared side by side, it would take extensive exposure to the Radio waves to cause disease, cancer, or even death. Hope I helped!

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There are ________ σ bonds and ________ π bonds in h3c-ch2-ch=ch-ch2-c≡ch.

FrozenT [24]

The number of sigma and pi bonds are,

Sigma Bonds = 16

Pi Bonds = 3

Explanation:
Every first bond formed between two atoms is sigma. Pi bond is formed when already a sigma bond is there. While in case of Alkyne (triple Bond) there is one sigma and one pi bond already present, so the third bond is formed by second side-to-side overlap of orbitals, hence, a second pi bond is formed.
Below all black bonds are sigma bonds, while in alkene there is one pi bond and in alkyne there are two pi bonds.