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RoseWind [281]
3 years ago
15

How are the atomic number and the number of protons related to each other?

Chemistry
1 answer:
SpyIntel [72]3 years ago
5 0

Answer:

Neutral atoms of each element contain an equal number of protons and electrons. The number of protons determines an element's atomic number and is used to distinguish one element from another. ... Together, the number of protons and the number of neutrons determine an element's mass number.

Explanation:

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Copper chloride burns bright green 510x10^9 m what is the frequency in Hz?
Katen [24]

Answer:

5.88 x 10⁻⁴Hz

Explanation:

Given parameters:

Wavelength = 510 x 10⁹m

Unknown:

Frequency  = ?

Solution:

To solve this expression, we use the equation below:

             V  = f∧

V is the velocity  = 3 x 10⁸m/s

f is the frequency

∧ is the wavelength

          3 x 10⁸   = f x 510 x 10⁹

       f  = 5.88 x 10⁻⁴Hz

5 0
2 years ago
In a laboratory, Carlos places one plate with grape jelly and another plate with cooked brown rice inside an ant farm. The next
olga2289 [7]

Answer:

number 1, 3, and 4 :)

Explanation:

hope you do good in edge!!

4 0
3 years ago
Does anyone know how to do this???​
Lelechka [254]

Answer:

2.9 g/cm³

Explanation:

From the question given above, the following data were obtained:

Mass = 236.376 g

Volume = 81.5 cm³

Density =?

Density can be defined as the mass of a substance per unit volume of the substance. It can be expressed mathematically as:

Density = mass /volume

With the above formula, we can obtain the density of the object as shown below:

Mass = 236.376 g

Volume = 81.5 cm³

Density =?

Density = mass /volume

Density = 236.376 / 81.5

Density = 2.9 g/cm³

Thus, the density of the object is 2.9 g/cm³

8 0
3 years ago
How do you do this problem Potassium
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Where is the picture ???
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Chemical formula for ethene
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