Is selenium a nonmetal metal or metalloid?
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Is selenium a nonmetal metal or metalloid?
Selenium is a metalloid (an element intermediate in properties between the metals and the nonmetals).
Is selenium a metal on the periodic table?
Selenium is a non metallic chemical element, member of the group XVI of the periodic table. In chemical activity and physical properties it resembles sulfur and tellurium.
What makes selenium a metalloid?
Selenium has both properties of metals and non metals so it is classified as metalloid.
What is the 34th element on the periodic table?
Selenium – Element information, properties and uses | Periodic Table.
What are the metals nonmetals and metalloids in periodic table?
The metals are to the left of the line (except for hydrogen, which is a nonmetal), the nonmetals are to the right of the line, and the elements immediately adjacent to the line are the metalloids. When elements combine to form compounds, there are two major types of bonding that can result.
What element has an atomic mass of 34?
Selenium
The Elements, sorted by Atomic Mass
| Atomic Number | Symbol | Name |
|---|---|---|
| 32 | Ge | Germanium |
| 33 | As | Arsenic |
| 34 | Se | Selenium |
| 35 | Br | Bromine |
How many neutrons does selenium 34 have?
45 neutrons
This atom of selenium has 34 protons, 45 neutrons, and 36 electrons. The atomic number of an element gives the number of protons found in the nucleus of each atom of that element.
What element contains 34 protons?
Selenium (Se) – Atomic Number 34.
What is the atomic radius of selenium atomic number 34?
190 pm
Selenium
| Atomic Number: | 34 | 190 pm (Van der Waals) |
|---|---|---|
| Atomic Symbol: | Se | 221 °C |
| Atomic Weight: | 78.96 | 685 °C |
| Electron Configuration: | [Ar]4s23d104p4 | 6, 5, 4, 3, 2, 1,[2] −1, −2 (a strongly acidic oxide) |