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2 years ago

H is a chemical _ and H2 is a chemical __

Chemistry

2 answers:

Artyom0805 [142]2 years ago

8 0

Gfgggggggdgbvgfbdgvfxhc

jeyben [28]2 years ago

4 0

I don’t know if I am right but I think it is symbol for the first one and the second one is formula.

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2. What was the primary reason in the 1850's driving the curiosity of atoms?

nalin [4]

The primary reason that large numbers of people left Ireland in the 1840s and 1850s was MASS STARVATION.

Great Famine or Great Hunger was a period in Ireland where mass starvation, diseases, and emigration occurred between 1845 to 1852.

The Great Famine was caused by Phytophthora infestans, a disease that infests in potatoes. Though the potato infestation spread throughout Europe, it greatly affected Ireland, where 1/3 of its population was dependent on the potato crop as their primary source of food.

The loss of their primary source of food led to mass starvation, sickness, and eventual death. Others opted to leave Ireland and seek shelter and food in other countries to survive.

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3 years ago

Read the picture :) please and thank you!

lana [24]

It's "C" a sample of dust particles at 0 Pascals

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2 years ago

Zeke knows that there are several layers of sediment underneath his town. The top layer is soil, the next layer is clay, and the

Eddi Din [679]

Answer:

He could add a model of soil layers.

Explanation: C

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3 years ago

Read 2 more answers

The image shows the representation of an unknown element in the periodic table. A square is shown. Inside the square twelve is w

Ludmilka [50]

<u>Answer:</u> The correct answer is the mass number of the most common isotope of the element is 24.

<u>Explanation:</u>

We are given:

An element having atomic number 12 is magnesium and atomic mass of the element is 24.305

The image corresponding will be $_{24.305}\textrm{Mg}^{12}\\\text{Magnesium}$

The number '24.305' is the average atomic mass of magnesium element.

Average atomic mass is defined as the sum of masses of each isotope each multiplied by their natural fractional abundance.

Formula used to calculate average atomic mass follows:

$\text{Average atomic mass }=\sum_{i=1}^n\text{(Atomic mass of an isotopes)}_i\times \text{(Fractional abundance})_i$

Average atomic mass of magnesium = 24.305 amu

As, the average atomic mass of magnesium lies closer to the mass of Mg-24 isotope. This means that the relative abundance of this isotope is the highest of all the other isotopes.

The 'Mg-24' isotope is the most common isotope of the given element.

Hence, the correct answer is the mass number of the most common isotope of the element is 24.

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2 years ago

Plz help me plz I am timed!!

PolarNik [594]

Answer:

full moon

Explanation:

....ur welcome..............

6 0

2 years ago

Read 2 more answers

H is a chemical _____ and H2 is a chemical ______

H is a chemical _ and H2 is a chemical __