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simple.wikipedia.org/wiki/Atom

An atom is the basic unit that makes up all matter. There are many different types of atoms, each with its own name, mass and size. These different atoms are ...

resources.schoolscience.co.uk/PPARC/14-16/partch1pg3.html

The elements. There are more than 109 different types of atom - one for each element. ... How many different combinations of two atoms can we make? (Type a  ...

sciencing.com/different-kinds-atoms-5611676.html

Apr 24, 2017 ... Their protons, neutrons and electrons balance. Barring ... Some atoms have too many neutrons in the nucleus, which makes them unstable.

crystalj13.imascientist.org.uk/2013/06/18/how-many-different-types-of-atoms-are-in-the-human-body

Jun 18, 2013 ... Lots and lots of different types as Ed and David have already listed. In terms of total number of atoms there are more atoms in the human body ...

www.dummies.com/education/science/chemistry/isotopes-different-types-of-atoms

Atoms in a chemical element that have different numbers of neutrons than protons and electrons ... There's even an isotope of hydrogen containing two neutrons.

www.windows2universe.org/earth/geology/periodic_table.html

Apr 29, 2003 ... Everything you see around you is made of tiny particles called atoms. There are many different types of atoms, each with a special combination ...

www.reference.com/science/many-naturally-occurring-atoms-7170778997affe93

The are 92 naturally occurring atoms, or elements. ... A: A molecule is made up of two or more atoms of the same element or compound, or different elements or ...

www.thoughtco.com/what-are-some-examples-of-atoms-603804

May 15, 2017 ... Different Types of Atoms ... Many atoms consist of a positively-charged nucleus of protons and neutrons ... Atoms of a single element that have different numbers of neutrons from one ... If the chemical symbol of a molecule is written, you can distinguish it from an atom because there will be a subscript ...

www.answers.com/Q/How_many_different_types_of_atom

There are 118 different types of atoms because there are 118 elements on the periodic table of elements and each element is made of one type of atom like ...