What is the name of the element with 98 protons?
Table of Contents
Californium
Californium is a radioactive chemical element with the symbol Cf and atomic number 98. The element was first synthesized in 1950 at the Lawrence Berkeley National Laboratory (then the University of California Radiation Laboratory), by bombarding curium with alpha particles (helium-4 ions).
What is the proton number of sodium?
11Sodium / Atomic number
What element has an AMU of 98?
“New element californium (atomic number 98)”.
What element is present in sodium?
Sodium is a very soft silvery-white metal. Sodium is the most common alkali metal and the sixth most abundant element on Earth, comprising 2.8 percent of Earth’s crust….sodium.
| atomic number | 11 |
|---|---|
| atomic weight | 22.9898 |
| melting point | 97.81 °C (208 °F) |
| boiling point | 882.9 °C (1,621 °F) |
| specific gravity | 0.971 (20 °C) |
Who discovered californium 252?
| Discovery date | 1950 |
|---|---|
| Discovered by | Stanley Thompson, Kenneth Street, Jr., Albert Ghiorso, and Glenn Seaborg |
| Origin of the name | Californium is named for the university and state of California, where the element was first made. |
| Allotropes |
How many protons does sodium 24 have?
The atoms of both isotopes contain 11 protons, but sodium-23 has 12 neutrons whereas sodium-24 has 13.
Which one is an ore of sodium?
Detailed Solution. Borax is an ore of Sodium. Its chemical formula is Na2B4O7. 10H2O.
Where is californium found in India?
The radio-active element was found engraved inside the stones. The cost of Californium is around Rs 17 cr per gram. Kolkata: The Criminal Investigation Department (CID) of West Bengal has seized radioactive element Californium, worth Rs 4,250 crore, from two persons in Kolkata airport area on Thursday.
How many protons are in the nucleus of sodium?
Sodium is a chemical element with atomic number 11 which means there are 11 protons in its nucleus. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z.
What is the atomic number of sodium in periodic table?
Sodium – Periodic Table Element Sodium Atomic Number 11 Symbol Na Element Category Alkali Metal Phase at STP Solid
What is the atomic number of the element with 108 protons?
Hassium is a chemical element with atomic number 108 which means there are 108 protons and 108 electrons in the atomic structure. The chemical symbol for Hassium is Hs. It is a synthetic element (first synthesised at Hasse in Germany) and radioactive.
What is the mass number of the isotopes of sodium?
This fact has key implications for the building up of the periodic table of elements. Mass numbers of typical isotopes of Sodium are 23. The total number of neutrons in the nucleus of an atom is called the neutron number of the atom and is given the symbol N. Neutron number plus atomic number equals atomic mass number: N+Z=A.