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Atom - Simple English Wikipedia, the free encyclopedia


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 types of ...

A world of atoms. Elementary my dear. - School Science


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  ...

Isotopes: Different Types of Atoms - For Dummies


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.

What is an element? How many elements are there? - Science ...


An element is a substance that is made entirely from one type of atom. For example ... These different versions of hydrogen are called isotopes. All isotopes of a ...

Chem4Kids.com: Atoms


You are made of different types of atoms. Atoms are ... As we just learned, there are almost 120 elements that can be found in the molecules we know. Smaller ...

Question: How many different types of atoms are in the human body?


Jun 18, 2013 ... Question: How many different types of atoms are in the human body? ... Then there are a huge range of metals present to a greater or lesser ...

Atoms - What are they? What's inside them? - Explain that Stuff


Apr 6, 2016 ... But if you had a few dozen different types of atom, you could build all these ... There are engines inside cars, pips inside apples, hearts and lungs ... is called the nucleus) and the electrons, which are very much smaller, whizz ...

How many different types of atom - Answers.com


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 ...



Some 92 kinds of atoms exist in nature, such as hydrogen, oxygen, iron, gold, etc. ... For example, water is made of two hydrogen atoms linked to an oxygen atom, hence its .... Electrons are also much less massive than protons or neutrons.

BBC - GCSE Bitesize: Elements and compounds


There are over a hundred different types of atom, called elements, and each one has ... Compounds are represented by formulae that show how many atoms of ...

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The Periodic Table of the Elements - Windows to the Universe


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 ...

Questions and Answers - How many atoms are there in the world?


The mass of an object is a measure of how much material the object has. ... amount of the earth for the most abundant types of atoms (also called the element ).

Atoms, Elements, and Molecules - Polymer Science Learning Center


Atoms are so small that there are millions and billions and trillions in the tiniest speck you can see. Solids, liquids, gases ... ELEMENTS are the kinds of atoms that we can have. Carbon is an ... Molecules can be much bigger. One molecule of ...