3 years ago

Which atom has a nucleus they contains 13 proton and 14 neutrons

1 answer:

6 0

The number of protons define the element. Since this element has 13 protons, the element is aluminum. This certain atom is also an isotope of aluminum since the atom can have different numbers of neutrons

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Consider the partial equation.

Yuliya22 [10]

Answer:

the answer is a

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3 years ago

As part of each science lab, Mr. Arico requires his student to wash their glassware, so it is clean for the next class. He has f

FinnZ [79.3K]

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social facilitation

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3 years ago

Convert 88.2°C into °F

prisoha [69]

The formula for converting Celsius to Fahrenheit is:
Let Celsius be C

(C * 1.8) + 32 = the value in Fahrenheit.

(88.2*1.8) + 32 = 190.76 degrees Fahrenheit.

Hope this helps!

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3 years ago

Calculate the number of oxygen atoms and its mass in 50g of CaCo3<br>

xz_007 [3.2K]

The number of oxygen atoms = 3

Mass = 24 g

<h3>Further explanation</h3>

The formula of a compound shows the composition of the constituent elements

CaCO₃ is composed of 3 types of elements, namely Ca, C and O

The amounts of each of these elements in the compound CaCO₃:

Ca = 1
C = 1
O = 3

So the number of oxygen atoms = 3

mass of Oxygen :

$\tt mass~O=\dfrac{3\times Ar~O}{MW~CaCO_3}\times mass~CaCO_3\\\\mass~O=\dfrac{3\times 16}{100}\times 50=24~g$

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3 years ago

Jesse travels 3.0 meters east and then turns and travels 4.0 meters north. What distance did Jesse travel? 1 m 5 m, northeast 7

boyakko [2]

7.0 meters because 3.0+4.0=7

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3 years ago

Read 2 more answers