No, not all atoms of the same element are identical. Contrary to Dalton’s theory — that atoms of the same element are identical — scientists discovered that atoms comprise smaller sub-atomic particles. Further experiment... More »

All atoms of the same element have the same number of protons in the nucleus and consequently have the same atomic number. All atoms of the same neutral element have the same number of electrons as well. More »

All isotopes of the same element share a common number of protons and electrons, though they vary in their relative numbers of neutrons. All isotopes of a given element are chemically identical, and they form bonds with ... More »

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To find the number of electrons an element has, locate it on the periodic table of elements, find the atomic number, and note the number of protons; because atoms are naturally electrically neutral, the protons and elect... More »

To calculate the molecular weight of diethyl ether, determine the molecular formula, find the atomic weight of each atom, multiply the atomic weight the atom by the number of atoms of the element in the molecular formula... More » Science Chemistry Atoms & Molecules

An atom represents the smallest part of an element that still retains the characteristics of that element, and the bonding between two or more atoms forms a molecule. Molecules are often defined as the smallest part of a... More »

An element is defined as a substance made up of atoms with a specific number of protons. That means that every atom with 1 proton is always a hydrogen atom. Elements cannot be broken down further by chemical means and al... More »