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What type of bonds will calcium form?
Calcium has 20 electrons with 2 in its outer valence shell. When Ca2+ (a metal) bonds, it donates the 2 free electrons to a nonmetal forming an ionic bond. For example : Ca2+ + Cl2- = CaCl where calcium the cation donated 2 electrons and chlorine the anion accepted 2 electrons.
What happens to the valence electrons of magnesium oxide?
Mg donated two valence electrons to O.
Is nitric oxide dative or 'normal' covalent bond?
Nitric oxide has a dative (coordinate) covalent bond. The N has donated both electrons and the O has also donated 2 electrons to make the N=O.
Are the electrons in a coordinate bond donated by both the bonded atoms?
No - one atom provides both electrons for the covalent bond. eg when ammonia (NH3) forms an ammonium ion, the nitrogen in ammonia provides 2 unbonded valence electrons. These form the covalent bond between the hydrogen ion (H+) and the nitrogen which becomes an ammonium ion - NH4+
What is the term for a bond where an electron pair is shared but both electrons have been donated by one atom?
coordinate covalent bond
When an atom forms a bond what are the 3 things that its electrons can do?
The electrons can be shared equally (covalent bond). The electrons can be shared but one atom provides those electrons and the other provides none (dative or coordinate covalent bond). The electrons can be donated by one and accepted by the other atom (ionic bond).
Which bond forms by sharing electrons in the outermost shell?
The sharing of electrons between atoms forms a covalent bond. If electrons are donated from one atom to another to form a bond this would be an ionic bond.
What type of bonds will calcium form?
Calcium has 20 electrons with 2 in its outer valence shell. When Ca2+ (a metal) bonds, it donates the 2 free electrons to a nonmetal forming an ionic bond. For example : Ca2+ + Cl2- = CaCl where calcium the cation donated 2 electrons and chlorine the anion accepted 2 electrons.
What happens to the valence electrons of magnesium oxide?
Mg donated two valence electrons to O.
Which group donated two electrons when bonding?
group 2
What are donated or shared when two atoms form a bond?
electrons
What do the oxidation number of plus 2 and -2 imply?
The oxidation number illustrates the number of electrons that a particular atom has partially/completely donated/accepted. +2 stands for donation of two electrons such as magnesium in magnesium salts. The oxidation number of -2 stands for obtaining two electrons such as an oxygen atom in an oxide.
What element has 12 protons 14 neutrons 10 electrons?
Magnesium2+ because it donated 2 electrons
Is nitric oxide dative or 'normal' covalent bond?
Nitric oxide has a dative (coordinate) covalent bond. The N has donated both electrons and the O has also donated 2 electrons to make the N=O.
Why is O-negative called the universal donor?
It can be donated to any person, and it is universally accepted.
When atoms share electrons what forms?
A covalent bond forms when atoms share electrons.
What is meant by the oxidation number of an elemnet?
The oxidation number implies that how many electrons that a particular element has partially/fully accepted/donated. The oxidation number for any neutral atom is 0. The oxidation number of an atom is equal to its overall charge.
