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larisa86 [58]
3 years ago
8

Which has the largest atomic radius magnesium silicon sulfur or sodium the smallest

Chemistry
2 answers:
Monica [59]3 years ago
5 0

Therefore the largest atoms are on the left and the smallest on the right. So sodium (Na) has the largest atomic radius, as the valence electrons are the least attracted to the nucleus

PLEASE MARK ME AS BRAINIEST AND ADD ME AS FRIEND HOPE THIS HELPS AND GIVE G M A I L

HAPPY THANKSGIVING AND HAPPY THANKSGIVING BREAK

lianna [129]3 years ago
3 0

Answer:

Sodium (largest) and Sulfur (smallest)

Explanation:

Atomic radius of an element/atom is the distance between the central nucleus of the element/atom and the outermost shell of electrons. This indicates that the higher the number of shells, the higher the atomic radius, hence atomic radius increases down the group.

But the question focuses on elements in the same period. Magnesium (Mg), Silicon (Si), Sulfur (S) and Sodium (Na) are all found in period 3 on the periodic table. Elements having the same number of electron shells are found in the same period but the number of valence electrons plays a crucial role in atomic radius across a period - this is because the outermost shell is easily attracted to the central nucelus when there are fewer number of valence electrons on it, hence atomic radius decreases across the period as there is an increase in valence electrons across the period.

The trend below shows increasing pattern of atomic radius of the options provided

S< Si< Mg< Na

The trend shows that sulfur (S) has the smallest while sodium (Na) has the largest atomic radius.

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sammy [17]

<u>Answer:</u>

211.9 J

<u>Explanation:</u>

The molecules of water release heat during the transition of water vapor to liquid water, but the temperature of the water does not change with it.

The amount of heat released can be represented by the formula:

Q=mL_e

where Q = heat energy, m = mass of water and L = latent heat of evaporation.

The latent heat of evaporation for water is L=2257 kJ/kg and the mass of the water is m=93.9 g=0.0939 kg.

The amount of heat released in this process is:

Q=mL_e = (0.0939kg)(2257 kJ/kg)= 211.9 J

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3 years ago
Who are the scientists that contributed in arranging of the periodic table?
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A gas tank contains 3 gases (N2, O2, and CO2). The total pressure of the gases is 825mmHg. If Pco2 = 125mmHg and Po2= 350mmHg, w
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Answer:

350mmHg

Explanation:

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3 0
2 years ago
Ruth has a garden in front of her house. She waters the plants every morning. After some time, the water from the plants and soi
IgorLugansk [536]

Answer:

<u><em>The correct answer is:</em></u>

<h3><u><em>Option D: Evapotranspiration  </em></u></h3>

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3 years ago
Select all the correct images<br><br> Select the atoms that belong to the same element
mezya [45]

Answer: Atoms with 11 protons, 10 neutrons and 11 electrons belong to the same element with 11 protons, 12 neutrons and 11 electrons.

Explanation:

Elements that contain same number of valence electrons belong to the same group. This is because they will have same reactivity (or properties) due to which they lie in the same group.

For example, element with 11 protons, 10 neutrons and 11 electrons is same as the element with 11 protons, 12 neutrons and 11 electrons.

Hence, both these atoms belong to the same element.

Thus, we can conclude that atoms with 11 protons, 10 neutrons and 11 electrons belong to the same element with 11 protons, 12 neutrons and 11 electrons.

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3 years ago
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