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Octet rule - Wikipedia


The octet rule is a chemical rule of thumb that reflects observation that atoms of main-group elements tend to combine in such a way that each atom has eight electrons in its valence shell ... A sod...

An atom that has single electrons in its outermost shell - Answers.com


An atom that has single electrons in its outermost shell? An atom that has single ... Atoms with less than 4 electrons in their outermost shell? represent a group of  ...

The periodic table, electron shells, and orbitals - Khan Academy


In contrast, chlorine has only seven electrons in its outermost shell, while sodium has ... They are unstable as single atoms, but can become stable by losing or ...

Elements and Atoms - Kimball's Biology Pages


3) has three electrons, two in the K shell and one located farther from the ... Any atom of the first group will interact with a single atom of any of the ... of atoms each with a stable octet of electrons in its outermost shell.

Chemistry Modules


The number of protons an atom has is called the atom's atomic number, and ... Example of an unstable atom with a single electron in its outer-most shell.



The smallest atom, hydrogen, is composed of a single proton which resides ... If an atom has more or less electrons in its outermost orbital than eight or .... Conversely, polar molecules are pulled apart from one another as hydration shells form ...

Atoms and Elements


However, the charge strength of a single electron is equal to that of a single proton ... Each proton and neutron has about the same amount of mass, measured in ... of protons and the atomic mass of an atom by looking at its element information .... outermost energy shell that contains any electrons is called the valence shell.

SparkNotes: Atomic Structure: Electron Configuration and Valence ...


The outermost orbital shell of an atom is called its valence shell, and the ... For example, sodium (Na), which has a single electron in its outer 3s orbital, can lose  ...

What determines an atom's reactivity? | Reference.com


An atom's reactivity is determined by the number of electrons in its outermost shell. ... metals, which are looking to lose the single electron in their outer shells. ... A: The element palladium has 10 valence electrons in its outermost shell, the 4d ...

Campbell Biology: Chapter 2 Test Preparation Flashcards | Easy ...


D) The nitrogen atom has a mass number of 7 and an atomic number of 14. E) The ... An atom has 6 electrons in its outer shell. ... D) 8 electrons in its outermost electron shell. .... B) Covalent bonds involve the sharing of pairs of electrons between atoms; ionic bonds involve the sharing of single electrons between atoms.

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An atom that has single electrons in its outermost shell is called


Atoms with a single valence electron belong to ... in its outermost shell is called? ... An atom that has single electrons in its ... What is the outermost shell of an ...

Electron Shells and the Bohr Model - Boundless


The properties of an element are determined by its outermost electrons, ... Atoms that do not have full outer shells will tend to gain or lose electrons, ... Each element, when electrically neutral, has a number of electrons equal to its atomic number. ... or lose electrons to attain stability; they are highly stable as single atoms.

Chemical Bonding


Sodium (Na), for example, has one electron in its valence shell. ... An ion is any atom that has gained electrons to have a negative charge (anion) or .... example, will need to form four covalent bonds in order to fill its outermost shell. ... Hydrogen tends to form covalent bonds because a single covalent bond will fill its shell.