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The number of loosely held electrons determines the reactivity of an element.

Other elements attract electrons and will react also.

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12y ago

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Is an element determined by the number of electrons?

no . by the number of protons which determines the number of electrons when neutral


What is the number of protons in one atom of an element determines the atom?

The number of protons determines the element's atomic number. When combined with the number of neutrons, it determines the element's atomic mass.


What determines a chemical properties of an element?

The number and arrangement of electrons.


What has the greatest effects on the properties of an element?

The number of protons in the nucleus, which determines the element's identity, has the greatest effect on an element's properties. The number of electrons determines its chemical behavior, while the arrangement of electrons in energy levels plays a role in its physical properties.


How many electrons has an atom?

An atom has the same number of electrons as it does protons, and the number of protons determines what element it is.


What single characteristic of the atom of an elements determines the elements place in the periodic table?

The number of electrons determines an element's position.


If you know the number of electrons in a neutral atom can you determine what the element is?

Yes, in a neutral atom the number of electrons and protons is equal, and it is the number of protons that determines what element the atom is. So, by looking at the number of electrons you can tell what element it is.


What determines the group an element is placed in?

The number of electrons in the outermost orbital.


Which subatomic particle determines the properties of an element?

The number of protons in the atomic nucleus determines the properties of an element. Every element has its own unique number of protons, called its atomic number, which is displayed on the periodic table. The elements are arranged in order of increasing atomic number on the periodic table.


Does the number of electrons an atom has defines what kind of element it is?

Yes, the number of electrons in an atom determines its chemical properties and where it is located on the periodic table. Each element has a unique number of electrons, which determines its position in the periodic table and its interaction with other elements.


Which part of an element determines its atomic number?

The number of protons in an element's nucleus determines its atomic number. Each element has a unique number of protons, which also corresponds to its position on the periodic table.


In the atom what type of particle determines the element that atoms represent?

proton you can change the number of neutrons and electrons and still have the same element