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pantera1 [17]
2 years ago
13

Describe the nucleus of the atom.

Chemistry
1 answer:
miskamm [114]2 years ago
6 0

Answer:

The nucleus of atom is composed of two subatomic particles that each have charges.

  • Protons, which are positively charged particles.
  • Neutrons, which are neutrally charged particles.

Both reside in the nucleus of an atom. The amount of protons and neutrons (Electrons can to) is what helps us identify each atom apart. Electrons are NOT in the nucleus of atom but orbit it in outer layers called orbitals.

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Firlakuza [10]

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The answer is 1.25 L

Explanation:

5 0
3 years ago
Forests are the only carbon sinks on Earth. Please select the best answer from the choices provided T F
dmitriy555 [2]
False, as oceans can act as carbon sinks along with forests. 
4 0
3 years ago
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Question 19 of 26
Alona [7]

Answer:

3Mg(NO3)2(aq)+2Na3PO4(aq)⇒Mg3(PO4)2(s)+6NaNO3(aq)

Explanation:

4 0
3 years ago
A 2.3 kg object has 15 ) of kinetic energy. Calculate its speed.
chubhunter [2.5K]

Answer:

<h3>The answer is option D</h3>

Explanation:

To find the speed given the kinetic energy and mass we use the formula

v =  \sqrt{ \frac{2KE}{m} }  \\

where

m is the mass

v is the speed

From the question

KE = 15 J

m = 2.3 kg

We have

v =  \sqrt{ \frac{2 \times 15}{2.3} }  =  \sqrt{ \frac{30}{2.3} }  \\  = 3.61157559...

We have the final answer as

<h3>3.6 m/s</h3>

Hope this helps you

7 0
3 years ago
The air pressure inside a submarine is 0.832atm. What would the pressure be in mnhg
Gwar [14]

Answer:

632.32 mmHg

Explanation:

Millimetre mercury:

It is the monometric unit of pressure. It is define as "The pressure exerted by the column pf mercury at the height of 1 millimetre.

It is represented as mmHg.

It can also be written as mm Hg.

Atmosphere (atm):

It is barometric pressure, define as "The force exerted by atmospheric column on per unit area".

It is written as "atm".

Conversion of atm to mmHg:

0.832 atm × 760 mmHg / 1 atm

632.32 mmHg

5 0
3 years ago
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