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The nucleus of an atom (protons and neutrons) determines if an atom is radioactive. The tendency is, the larger the nucleus, the more unstable it is and the more likely it is to be radioactive. As for the chemical bonding properties of the atom, the electron configuration determines how it will bond, with what it will bond, and in what ratio atoms will bond to form the 20,000,000 different substances on Earth.

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16y ago
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14y ago

The number of electrons in the outer shell of the atom.

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9y ago

The chemical behavior of an atom is determined by its electron configuration - that is, the distribution of electrons in the atom's shells.

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13y ago


It depends on the atomic structure (i.e. the amount of protons, neutrons and electrons.)

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11y ago

The arrangement of the electrons

The number of nucleons

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12y ago

The number of electrons but in particular the number of electrons in the outer shell (valence electrons) will determine how the element reacts and thus the chemical properties.

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15y ago

covalent bonding.

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Q: What determines the chemical activity of an atom?
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Related questions

What determines and Atom chemical property?

This is the number of protons.


What determines the chemical properies of an atom?

All chemical properties are determined by electronic structure.


Which subatomic particle determines the chemical activity of an atom?

The electrons control the chemical properties of an atom. More specifically, the outer electrons, or valence electrons, are involved in bonding, and they determine the chemical properties of an atom.


What is an electron that is in the highest energy level of an atom and determines the atom's chemical properties is called?

valence electrons


What force determines chemical properties?

The main force that determines the chemical properties of an atom is nuclear force. There are other forces included like electrostatic force and force of attraction among others.


Which part of an atom determines chemical properties?

The number of electrons is very important.


How is the chemical stability of a mineral is related to the temperature at which the mineral forms?

The strength of the minerals chemical bond between its atom determines its chemical stability .


Which subatomic particle determines the activity of the element?

In the chemical reactivity of atoms electrons are involved.


What energy shell determines the chemical properties of an atom?

The valence shell containing the valence electrons used in chemical reactions.


What determines the type of chemical reactions that atom participate in?

the number of electrons in the outermost electron shell


What determines types of chemical reactions that an atom participates in?

the number of electrons in the outermost electron shell


What determines the type of chemical reactions that an atom participates in?

the number of electrons in the outermost electron shell