A group of students were discussing the lonization energies of Selenium and Flourine. Which student is correct for the reason why their element has the highest lonization energy? O A Student C says F because the larger the atom, the stronger the attraction between protons and valence electrons. The stronger the attraction the more energy is needed to remove a valence electron. B. Student B says Se because the smaller the atom, the stronger the attraction between protons and valence electrons. The stronger the attraction, the more energy is needed to remove a valence electron. C. Student D says F because the smaller the atom, the stronger the attraction between protons and valence electrons. The stronger the attraction, the more energy is needed to remove a valence electron. OD. Student A says Se because the larger the atom, the stronger the attraction between protons and valence electrons. The stronger the attraction the more energy is needed to remove a valence electron.

Answers

Answer 1

Answer:

The correct student is Student D, who says that Fluorine (F) has the highest ionization energy because the smaller the atom, the stronger the attraction between protons and valence electrons.

The stronger the attraction, the more energy is needed to remove a valence electron.

Ionization energy refers to the energy required to remove an electron from an atom. Smaller atoms have a stronger attraction between the positively charged protons in the nucleus and the negatively charged electrons in the outermost energy level. As a result, it takes more energy to remove an electron from a smaller atom like fluorine. This is because the electrons are held more tightly due to the stronger attraction.

So, the reasoning provided by Student D correctly explains why Fluorine has the highest ionization energy among Selenium (Se) and Fluorine (F).

Learn more about ionization energy from the link given below.

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Answer 2

Answer:

I think the Answer is C because Flourine is stronger in electron attraction and is smaller so it has a stronger electronic pull. Hope this helps :)

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What element has the electron configuration of 1s2 2s2 2p6 3s2 3p2?

Answers

The element with the electron configuration 1s² 2s² 2p⁶ 3s² 3p² is silicon (Si).

In the electron configuration notation, each number and letter represents a specific energy level (or shell) and subshell that contains electrons in an atom. The numbers indicate the energy levels (principal quantum numbers), and the letters represent the type of subshell (s, p, d, or f).

Let's break down the electron configuration for silicon (Si):

1s²: This indicates that the first energy level (n = 1) has two electrons in the s subshell.

2s²: This indicates that the second energy level (n = 2) has two electrons in the s subshell.

2p⁶: This indicates that the second energy level (n = 2) has six electrons in the p subshell.

3s²: This indicates that the third energy level (n = 3) has two electrons in the s subshell.

3p²: This indicates that the third energy level (n = 3) has two electrons in the p subshell.

To find the element with this electron configuration, we count the total number of electrons: 2 + 2 + 6 + 2 + 2 = 14 electrons. Since silicon (Si) has 14 electrons, it matches the given electron configuration.

Silicon is a chemical element in the periodic table with atomic number 14. It is a metalloid, meaning it has properties of both metals and nonmetals. Silicon is widely used in various industries, including electronics, as it is a key component of semiconductors and is crucial for modern technology.

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1s², 2s², 2p⁶, 3s²,3p²

The element is Silicon 14 Si

hope this helps!

What is the temperature increase of 6.4 kg of water when it is heated by a 7.7

Answers

if you measure my hairline you will get about 90°

When 11.12 g of neon is combined in a 100 L container at 80oC with 9.59 g of argon, what is the mole fraction of argon?

Answers

The correct answer for the question that is being presented above is this one: "0.3."

Here it is how to solve.
Molecular mass of Ar = 40
Molecular mass of Ne = 20
Number of moles of Ar = 9.59/40 = 0.239
Number of moles of Ne = 11.12/20= 0.556
Mole fraction of argon = 0.239/ ( 0.239 + 0.556) = 0.3

Pleaseeee helpp its a HW question

will mark brainliest!!

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How do i mark brainliest

According to the periodic table, which two elements are in the same row?A. nitrogen and antimony
B. francium and platinum
C. rubidium and zinc
D. barium and mercury

Answers

D. Barium and Mercury

When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion? A.
+2

B.
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C.
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D.
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Answers

D. 2- youre adding two negative charges to a neutral element

The electrical charge of the oxygen ion is -2.

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