Why do i have to watch a video to ask questions

Chemistry

1 answer:

Svet_ta [14]3 years ago

6 0

Because because because uhh

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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.

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3 years ago

Why do elements in a group on the periodic table have similar chemical properties?

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Do elements in a group on the periodic table have similar chemical properties because their atoms have the same number of electrons

A. same number of outermost electrons

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4 years ago

What is the atomic number of an element that has seven protons and eight neutrons and seven electrons?

Dmitrij [34]

Answer:

Nitrogen has an atomic number of 7 (Z=7) because it has 7 protons in its nucleus. Some nitrogen atoms have an atomic mass number of 15 (A=15). A is the number of neutrons plus protons in the nucleus. However, we already know that there are 7 protons

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3 years ago

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An example of an adaptation that gives an organism greater access to energy

FrozenT [24]

A vestigial structure is a feature of an organism's body that was once an adaptation shaped by natural selection, but which is no longer useful in their current environment. For example, some species of fish that live in completely dark caves have eyes, although their eyes cannot see and serve no function.

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4 years ago

A musician hits a drum with a drumstick. In three to four sentences, explain the collision forces between the drum and drumstick

Likurg_2 [28]

Answer:

When the drumstick hits the drum, there is a force acting on both objects. The force are equal in magnitude and opposite in direction. So, when collision happens, both object receives the force and pushes each other away.

Explanation:

Hope this helps :)

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2 years ago