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What is the atomic number of se?
The atomic number of Selenium is 34.
What has the greatest electronegativity se s cl?
According to 'Little and Jones' scale Cl 2.83 Se 2.48 S 2.44
What shows the correct arrangement of Se Cl and S in order of increasing ionization energy?
The correct arrangement of selenium (Se), chlorine (Cl), and sulfur (S) in order of increasing ionization energy is S < Se < Cl. Ionization energy tends to increase across a period and decrease down a group in the periodic table. Since Cl is in the same period as S and Se but further to the right, it has the highest ionization energy. Sulfur, being below and to the left of chlorine and selenium, has the lowest ionization energy of the three.
How does the ionization energy of Ne compare to that of Se?
Neon is a much smaller atom than selenium because neon has fewer occupied energy levels so it has a considerably smaller atomic radius. For that reason, it will be more difficult to remove an electron from Ne than Se, so Ne has the greater ionization energy.
Which element has atomic weight of 79?
Selenium (Se) has an atomic weight of 79,04.
Which is more reactive Br Se or Cl?
Bromine (Br) is more reactive than chlorine (Cl) and selenium (Se). Bromine has a lower ionization energy and a larger atomic radius compared to chlorine and selenium, making it more willing to participate in chemical reactions.
What elements has the smallest atomic radius Ge Se Br As?
The element with the smallest atomic radius among Ge, Se, Br, and As is Arsenic (As). Atomic size generally decreases across a period from left to right, so the elements in this group progress in order of increasing atomic radius: Germanium (Ge) > Selenium (Se) > Bromine (Br) > Arsenic (As).
When the three elements se te and br ara arranged in order of increasing atomic radius?
The atomic radii of elements follow a general trend: As you move down a group on the periodic table, atomic radius generally increases. Among the three elements mentioned, Se would have the largest atomic radius, followed by Te, with Br having the smallest atomic radius.
How would you rank these atoms from smallest to largest atomic radius Cs K O Se?
Se < O < K < Cs - Atomic radius decreases across a period from left to right on the periodic table, while it increases down a group. Therefore, Se has the smallest atomic radius, followed by O, then K, and Cs has the largest atomic radius.
What should have the larger ionization energy Se or Br?
Se should have a larger ionization energy than Br. This is because Se, located in the higher period on the periodic table, has a larger atomic radius compared to Br. As you move across a period from left to right, the ionization energy generally increases due to increased effective nuclear charge.
Would the Br ion be bigger than the Se ion?
No. The Se ion will be larger than the Br ion. The more negative the anion's charge, the larger the radius (more electrons = stronger repulsion between the electrons; so, more distance between them). Se would become "Se2-" as an anion, and Br would become "Br1-". Because Se's "2-" anion charge is more negative than Br's "1-" anion charge, and because Se would have more relative electrons to protons than Br, there is more repulsion between electrons, and distance, within the Se ion. So, the Se ion has a larger radius. Hope it helps.
Rank these elements in terms of decreasing atomic radius?
Y (biggest) Fe Ga S F (smallest)
Which element has a larger ionic radius than calcium?
An element that has a larger ionic radius than calcium is strontium. Strontium is located below calcium in the same group of the periodic table, which means it has an extra energy level and therefore a larger ionic radius.
What is the atomic number of se?
The atomic number of Selenium is 34.
What has the greatest electronegativity se s cl?
According to 'Little and Jones' scale Cl 2.83 Se 2.48 S 2.44
What is the Lewis Structure for SeCN-?
.. .. .. :Cl - Se - Cl: .. .. .. There are two dots above the Cl, Se, and other Cl. There are also two dots below the Cl, Se, and other Cl. There are two dots to the left of Cl, and two dots to the right of the other Cl. The dash (-) represents two dots. So, there are a total of 20 electrons. Se has 6, and each chlorine has 7. 6 + 7(2) = 20
What is isoelectronic with Se-2?
Kr
