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9966 [12]
2 years ago
6

What particles would you find in a nucleus of an atom

Chemistry
1 answer:
sammy [17]2 years ago
5 0

Answer:

The nucleus is a collection of particles called protons, which are positively charged, and neutrons, which are electrically neutral. Protons and neutrons are in turn made up of particles called quarks. The chemical element of an atom is determined by the number of protons, or the atomic number, Z, of the nucleus.

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A piece of limestone erodes due to acid rain. This process can be best described as a......
arsen [322]
Slow chemical change

It is a chemical change because the erosion is due to the chemical reaction between the acid and the in the rain and the calcium carbonate.

It is slow due to the concentration of acid is low.
3 0
3 years ago
Why isn’t there anyone helping for chemistry I need this by literally tomorrow morning before 8:30 ;-;
Naily [24]

Answer:

Find it in the teacher desk by tomorrow 7:30

Explanation:

4 0
2 years ago
Read 2 more answers
A very hot cube of copper metal (32.5 g) is submerged into 105.3 g of water at 15.4 0C and it reach a thermal equilibrium of 17.
zysi [14]

Answer:

The initial temperature of the metal is 84.149 °C.

Explanation:

The heat lost by the metal will be equivalent to the heat gain by the water.  

- (msΔT)metal = (msΔT)water

-32.5 grams × 0.365 J/g°C × ΔT = 105.3 grams × 4.18 J/g °C × (17.3 -15.4)°C

-ΔT = 836.29/12.51 °C

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-(T final - T initial) = 66.89 °C

T initial = 66.89 °C + T final

T initial = 66.89 °C + 17.3 °C

T initial = 84.149 °C.

7 0
3 years ago
An acid and base will combine to form a new substance with new properties in a
garri49 [273]

Answer:

A salt

Explanation:

When an acid and a base are placed together, they react to neutralize the acid and base properties, producing a salt. The H(+) cation of the acid combines with the OH(-) anion of the base to form water. The compound formed by the cation of the base and the anion of the acid is called a salt

4 0
2 years ago
The number of protons plus neutrons in the atom is called its?
yKpoI14uk [10]
This is the thing called the mass number of the thing
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3 years ago
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