Hydrogen is present in the greatest number of atoms, if that is what is meant by "particles" in the question.
Yes, everything is made of tiny particles - if it is an element then the particles are atoms of that element, if it is a compound then the particles are molecules composed of atoms of the elements which make up the compound.
is the smallest particle of an element that has the properties of that element
The atom is the smallest particle of an element that retains it's characteristics. Sub-atomic particles such as protons, neutrons and electrons form the atom and it is the amount of each of these sub-atomic particles that make the element that element.
A radioactive element is an element that readily undergoes nuclear decay - the nucleus spontaneously emits subatomic particles as the element changes into another element.
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The elements Carbon, Hydrogen, Oxygen and Nitrogen Mae up Acetaminophen. The element that has the greatest proportion is H9 because that is the largest number stating that there are 9 Hydrogens.
electrons
The simplest form of an element is an atom. Subatomic particles are not a form of the element; they are a "building block" of an element.
atoms which have the same properties of that element
The element that has the greatest electromagnetivity is Flourine, F, with 3.98.
Periodate
Yes, everything is made of tiny particles - if it is an element then the particles are atoms of that element, if it is a compound then the particles are molecules composed of atoms of the elements which make up the compound.
Atoms
atoms
Atoms
Hydrogen
element