n-heptane
A substance that only contains one kind of atom is called an element.
An element is a substance that contains only one kind of atom. Examples include hydrogen, oxygen, and carbon. Each element is defined by the number of protons in its atomic nucleus.
The element with 26 electrons and protons is iron (Fe).
An element is the correct answer
Isotopes - atoms with the same atomic number, number of protons and number of electrons
A substance that only contains one kind of atom is called an element.
mercury
That would be radioactive decay.
An atom is the smallest piece of an element that can be identified as that element.
what kind of question are that?
atom
diatomic
nonmetal
a metal
no it is not
Every element has its own kind of atom, identifiable from atoms of another element by its number of protons.
no. There is one element for each kind of atom.