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How many electrons are in a completed valence shell of most second period atoms when they combine with other atoms to become molecules- 2 or 4 or 6 or 8?
The first two elements in the 2nd period are metals, and form ionic compounds rather than molecules. Boron, carbon, nitrogen, oxygen, and fluorine share electrons, forming covalent bonds with other nonmetals so that they will each have a full valence shell with eight electrons. The noble gas neon already has eight valence electrons and is generally nonreactive.
Molecules that form when electrons are shared unequally between atoms are called?
Valence electrons
How many valence electrons if oxygen and hydrogen combine?
When oxygen and hydrogen combine to form water (H2O), oxygen contributes 6 valence electrons (group 16, 6 electrons) and each hydrogen atom contributes 1 valence electron (group 1, 1 electron), resulting in a total of 8 valence electrons in the water molecule.
What re valence electrons?
Valence electrons are: In chemistry, those electrons found in orbits farthest from the nucleus of the atom. These electrons determine the way in which the atom will combine with other atoms, and thus determine its chemical properties.
Carbons valence electrons?
A carbon needs 8 electrons to have a solid shell so it usually form 4 other bonds to combine with the 4 electrons it already has
How many electrons are in a completed valence shell of most second period atoms when they combine with other atoms to become molecules- 2 or 4 or 6 or 8?
The first two elements in the 2nd period are metals, and form ionic compounds rather than molecules. Boron, carbon, nitrogen, oxygen, and fluorine share electrons, forming covalent bonds with other nonmetals so that they will each have a full valence shell with eight electrons. The noble gas neon already has eight valence electrons and is generally nonreactive.
Molecules that form when electrons are shared unequally between atoms are called?
Valence electrons
How many valence electrons are in wood?
Wood does not have valence electrons because it is a collection of many different molecules, such as cellulose and lignin, that each have their own valence electrons. The number of valence electrons in wood can vary depending on the specific molecules present in its structure.
What happens to the number of valence electrons when atoms combine to form a compound?
They Share Electrons
What is shared when elements combine to form compounds?
When elements combine to form compounds, they share electrons to achieve a stable electron configuration. This sharing allows them to form strong chemical bonds, resulting in the formation of a new substance with unique properties.
Which electrons are shared in molecules?
In metallic bonding, the valence electrons freely 'jump' from atom to atom, forming kind of an electron sea.
How many valence electrons if oxygen and hydrogen combine?
When oxygen and hydrogen combine to form water (H2O), oxygen contributes 6 valence electrons (group 16, 6 electrons) and each hydrogen atom contributes 1 valence electron (group 1, 1 electron), resulting in a total of 8 valence electrons in the water molecule.
How many valence electrons can combine with other elements?
all the electrons that are available in outermost shell
How many total valence electrons does NaCl have?
The NCl3 molecule, like most other stable molecules, exist because they share electrons in such a way as to close out the valence shell. Therefore, although one usually doesn't say so in regards to molecules, NCl3 has 8 valence electrons.
What re valence electrons?
Valence electrons are: In chemistry, those electrons found in orbits farthest from the nucleus of the atom. These electrons determine the way in which the atom will combine with other atoms, and thus determine its chemical properties.
Carbons valence electrons?
A carbon needs 8 electrons to have a solid shell so it usually form 4 other bonds to combine with the 4 electrons it already has
Which electrons can form diatomic molecules joined by a single covalent bond?
The valence electrons
