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Anni [7]
4 years ago
5

Each element has three number listed under it which value represent the atomic

Chemistry
1 answer:
Natasha_Volkova [10]4 years ago
8 0

The atomic number is the number at the top.


The atomic number is equal to the number of protons in an atom's nucleus. The atomic number determines which element an atom is. For example, any atom that contains exactly 47 protons in its nucleus is an atom of silver.

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The number of cycles of a periodic wave occurring per unit time is defined as a waves
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How many cycles happen in a given unit of time is called a wave's frequency.
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4 years ago
If the pressure at a depth of 8 ft below the surface of a stagnant fluid is 3.5 psi, what will the pressure of the liquid be at
alexandr402 [8]

Answer : The pressure of the liquid at depth of 48 ft below the surface of fluid is, 21 psi.

Explanation : Given,

The pressure of the liquid at depth 8 ft = 3.5 psi

Now we have to calculate the pressure of the liquid at depth 28 ft.

According to the question,

As, the depth of 8 ft below the surface of a stagnant fluid has pressure = 3.5 psi

So, the depth of 48 ft below the surface of a stagnant fluid has pressure = \frac{3.5\text{ psi}}{8\text{ ft}}\times 48\text{ ft}=21\text{ psi}

Therefore, the pressure of the liquid at depth of 48 ft below the surface of fluid is, 21 psi.

8 0
3 years ago
This equation indicates that the reaction absorbs heat. What is this type of reaction called? H2O + heat → H2 + O2 A. an exother
Anastaziya [24]
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7 0
3 years ago
If you are given a diagram of an atom, how would you identify what element it is?
Varvara68 [4.7K]

The simplest way to use the periodic table to identify an element is by looking for the element's name or elemental symbol. The periodic table can be used to identify an element by looking for the element's atomic number. The atomic number of an element is the number of protons found within the atoms of that element.





                                     hope it helps


7 0
3 years ago
Describe the pattern of synthesis (combination) and decomposition reactions.
jonny [76]

Answer:

Explanation:

Synthesis is the combining of two elements or atoms into a compound/mixture. Decomposition is the breaking down of a compound/mixture into individual atoms or elements. In conclusion, on is the building up of a compund/mixture and one is breaking down.

6 0
3 years ago
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