How many isotopes are in scandium?
How many isotopes are in scandium?
In nature, scandium exists in the form of one stable isotope, scandium-45. Among 25 (excluding nuclear isomers) radioactive isotopes with masses ranging from 36 to 61, the most stable is scandium-46 (half-life of 83.79 days), and the least stable is scandium-39 (half-life of less than 300 nanoseconds).
What is the isotope of scandium?
45Sc
Naturally occurring scandium (21Sc) is composed of one stable isotope, 45Sc. Twenty-five radioisotopes have been characterized, with the most stable being 46Sc with a half-life of 83.8 days, 47Sc with a half-life of 3.35 days, and 48Sc with a half-life of 43.7 hours and 44Sc with a half-life of 3.97 hours.
Is Scandium 46 an isotope?
The stable isotope of Scandium is Sc-45, and Scandium 46 is a synthetic isotope of Scandium, created by neutron activation. and has a relatively long half life of 83.8 days.
What group is scandium in?
Group 3
Fact box
| Group | 3 | 1541°C, 2806°F, 1814 K |
|---|---|---|
| Block | d | 2.99 |
| Atomic number | 21 | 44.956 |
| State at 20°C | Solid | 45Sc |
| Electron configuration | [Ar] 3d14s2 | 7440-20-2 |
How do you know the group number of scandium?
For s-block elements , group number is equal to the number of valence electrons. For p-block elements ,group number is equal to 10+number of electrons electrons in the Valence shell . For s-block elements , group number is equal to the number of valence electrons.
What is deuterium atomic number?
1
The atomic number of deuterium is 1 and the mass number is 2. The atomic mass can be given as 2.014 amu. This is also a stable isotope of hydrogen but is less abundant.
What is the isotope formula?
Isotopes. For any given isotope, the sum of the numbers of protons and neutrons in the nucleus is called the mass number. This is because each proton and each neutron weigh one atomic mass unit (amu). By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.
What is scandium group number?
Y. calcium ← scandium → titanium. Atomic number (Z) 21. Group.
How do I find my scandium group number?
Scandium, atomic number 21. It is the first of the transition metals, and its discovery is entwined with that of vertical neighbours yttrium and lanthanum.
What is the atomic mass of scandium?
44.955912 u
Scandium/Atomic mass
Why is deuterium an isotope?
Deuterium is one of the isotopes of hydrogen. Because deuterium contains a neutron, it is more massive or heavier than protium, so it is sometimes called heavy hydrogen. There’s a third hydrogen isotope, tritium, which may also be called heavy hydrogen because each atom contains one proton and two neutrons.
What is the atomic model of scandium?
Scandium – Atomic Number – Atomic Mass – Density of Scandium. Atomic Number of Scandium. Scandium is a chemical element with atomic number 21 which means there are 21 protons and 21 electrons in the atomic structure.
How many protons neutrons and electrons does scandium have?
Scandium has 21 electrons, as indicated by the element’s atomic number. Scandium also has 21 protons and 24 neutrons.
What are the different types of isotopes?
Isotopes of the same element have different quantities of neutrons, though the proton count is the same. Scientists divide isotopes into two main types: radioactive and stable. Both types see wide use in several industries and fields of study.
What are facts about scandium?
Interesting Facts about Scandium. Scandium is the transition metal having the lowest atomic number. Scandium was called after Scandinavia . Chemist Lars Nilson was trying to isolate the component ytterbium from the minerals euxenite and gadolinite when he found scandium. These minerals were mostly found in the Scandinavia area.
