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What does Fr stand for in chemistry?
The elemnt frankium. This is a group 1 metal. It is highly radioactive.
What do all atoms of the same elemnt have?
All atoms of the same element have the same number of protons in their atomic nuclei. The number of protons is the atomic number for that element on the periodic table. The elements are arranged in order of increasing atomic number on the periodic table.
Why is the ionic radius of a group 2 elemnt smaller than its atomic radius?
The ionic radius of a Group 2 element is smaller than its atomic radius because, when these elements form cations (specifically, (M^{2+}) ions), they lose two electrons from their outermost shell. This loss of electrons results in a reduced electron-electron repulsion and allows the remaining electrons to be pulled closer to the nucleus, thus decreasing the size of the ion compared to the neutral atom. Additionally, the effective nuclear charge experienced by the remaining electrons increases, further contributing to the smaller ionic radius.
What kind of bond is an element expected to form when it reacts?
an elemnt can form several bonding depending on the elctronegativity. Types of Bonding: Covalent (QM) Ionic (classical) Dipole-dipole (classical) Ion-dipole (classical) Van der Waals forces (QM and classical)
What all atoms of a single element have in common?
The same number of protons (the atomic number),(the number of neutrons in the nucleus may differ from atom to atom ) The fact that atoms of an elemnt have the same number of protons means that in the neutral atom the number of electrons is the same - and therefore the chemistry is the same.
What elemnt has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10?
The element with this electron configuration is calcium (Ca), which has 20 electrons.
What element can become stable by using one electron hydrogen farogen sodium nitrogen oxygen or chlorine?
Farogen is not an elemnt known to science. The element that can use one electron is chlorine, which achieves the octete when it gains an electron. hydrogen becomes the hydride ion with a stabel duet (He configutaration) Sodium can lose one electron to acheive the octet.
What element has a small amounts of elemnt are required by the human body?
A trace element.
What is Tl as a elemnt?
Tl is element 81 Thallium, a highly toxic poor metal.
Is Water an elemnt?
No. An element is composed of a single atom. Water is composed of the elements hydrogen and oxygen as well as trace elements.
An element has only one kind of atom?
Yes and no! All of the atoms of an elemnt have the same number of protons. The number of neutrons can differ.
What does the period number say about the elemnt?
It shows the horizonal row of the element so like Ex: Rb which is period 5 cause u count how many rows there is and when u find the element(He) it is in the 5th row
When the masses of all naturally occurrinv isotopes of a particular elemnt qre averaged the reault is called the elemnts?
When the masses of all naturally occurring isotopes of a particular element are averaged, the result is called the atomic mass of the element.
When lithium forms a bond what happens?
When lithium forms a bond, it loses its one valence electron to achieve a stable electron configuration. This electron is transferred to another atom, usually a non-metal, to form an ionic bond. This results in lithium becoming a positively charged ion with a full outer shell.
Is copper an elemnt or compound?
Copper is an element because it cannot be broken down past it's state of being copper. All compounds can pretty much be broken apart or separated, but elements are unable to be separated. Therefore, copper is an element.
what elemnt is 1s22s22p63s23p64s23d104p65s2?
antimony atom
What does Fr stand for in chemistry?
The elemnt frankium. This is a group 1 metal. It is highly radioactive.
