What is se on the table of elements?
selenium (Se), a chemical element in the oxygen group (Group 16 [VIa] of the periodic table), closely allied in chemical and physical properties with the elements sulfur and tellurium.
What is the element name se?
Selenium
Selenium is a chemical element with symbol Se and atomic number 34.
What is the symbol SE on the periodic table?
Periodic Table with Element Names and Electronegativity
Element Name | Symbol | Atomic Number |
---|---|---|
Selenium | Se | 34 |
Silicon | Si | 14 |
Silver | Ag | 47 |
Sodium | Na | 11 |
What period is se in on the periodic table?
4
Fact box
Group | 16 | 220.8°C, 429.4°F, 494 K |
---|---|---|
Period | 4 | 685°C, 1265°F, 958 K |
Block | p | 4.809 |
Atomic number | 34 | 78.971 |
State at 20°C | Solid | 80Se |
What is CL on the periodic table?
chlorine (Cl), chemical element, the second lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. Chlorine is a toxic, corrosive, greenish yellow gas that is irritating to the eyes and to the respiratory system.
What is CD on the periodic table?
Cadmium – Element information, properties and uses | Periodic Table.
What element is similar to se?
Nonmetal
MetalloidChalcogenPeriod 4 element
Selenium/Chemical series
How many protons are in SE?
34
Selenium/Atomic number
Is se a metal in the periodic table?
Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, and also has similarities to arsenic.
What is SE electron configuration?
[Ar] 3d10 4s2 4p4
Selenium/Electron configuration
What is se energy level?
Second Energy Level: 8.
Is chlorine Cl or CI?
Chlorine is a chemical element with symbol Cl and atomic number 17. Classified as a halogen, Chlorine is a gas at room temperature….Chlorine.
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Ca | |
Ti | |
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Cr |