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The factor in determining how an atom reacts is the valence electrons, ie how many and in what energy level.

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8y ago

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Do electrons in the lowest energy level of an atom that determine how that atom reacts?

Electrons in the outer shell, also known as valance electrons, determine how an atom will react. To be more precise I should add that there are transition state elements whose reactivity is also influenced by some of the inner electrons as well.


What number in an atom determines what kind of atom it is?

The atomic number, which is the number of protons in the nucleus, determines what kind of atom it is.


What determines how an atom behaves when it encounters another atom?

The electron configuration of an atom determines how it behaves when it comes into contact with another atom.


What part of an atom determines the isotope of an atom?

Neutron


What is a characteristic that determines how a substance reacts?

chemical change


What determines an atoms number?

the number of protons determines the atom.


determines the shape of an atom?

angles


What determines speed of an atom?

i am pretty sure that it is the mass and temperature of the atom


The number of protons in an atom of an element determines the atom's what?

Mass Number


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.


Which main part of an atom determines the atomic number of an element?

The number of protons, which are found in the nucleus of an atom.


Which features of an atom determines how it reacts with other atoms?

The number of protons and electrons in an atom determine its chemical properties. Specifically, the number of electrons in the outermost energy level (valence electrons) dictates how likely the atom is to react with other atoms to achieve a stable electron configuration.