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Setler79 [48]
3 years ago
12

A student spends 4.5 hours studying for a test. How much time is this equivalent to in seconds

Chemistry
1 answer:
ivanzaharov [21]3 years ago
7 0
The answer is: b)16,200 seconds :)
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Today, nuclear power plants rely on fission. While fusion reactions have been used in nuclear bombs, many scientists and enginee
Zigmanuir [339]

Explanation:

nuclear fusion yields more energy than nuclear fission and the products of the reaction are not radioactive

5 0
3 years ago
Nuclear physicists have discovered over 100 different particles that compose the nucleus of an atom. From a chemistry perspectiv
Julli [10]

Answer:

Protons and neutrons which packed tightly into central core of the atom.

Explanation:

Atoms are composed of three subatomic particle; electron, proton and neutron. Electrons are negatively charged, protons are positively charged whereas neutrons are neutral, hence does not have any charge.

Out of three, protons and neutrons are present in the nucleus of the atom.

Nucleus is the central part of the atom possessing most of the mass of the atom. In the nucleus, protons and neutrons are tightly packed with the help of nuclear force.

Electrons are present around the nucleus also called electron cloud.

Therefore, nucleus are composed of protons and neutrons which packed tightly into central core of the atom

4 0
3 years ago
What is the bond angle of a regional planar molecule
blsea [12.9K]
For bent molecular geometry<span> when the electron-pair geometry is trigonal </span>planar<span> the </span>bond angle<span> is slightly less than 120 degrees, around 118 degrees. </span>
3 0
4 years ago
Which element probably has the most properties in common with lead (Pb)?
Fed [463]

Answer:

Here is your answer: Tin,

Explanation:

Which of the following elements probably has the most properties in common with lead (Pb)? Tin (Sn).

8 0
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Choose the term that best describes the following statement: a system in equilibrium will oppose a change in a way that helps re
Scorpion4ik [409]
Le Chatelier's principle (D)
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