L1:1 Building blocks of matter: atoms, elements, molecules, and compounds.

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9 Terms

1
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What is an atom?

The smallest particle of an element, which maintains the properties of that element, and is invisible to the naked eye.

<p>The smallest particle of an element, which maintains the properties of that element, and is invisible to the naked eye.</p>
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Where are atoms found?

- Elements are made up of one kind of atom

-periodic table organizes these known elements

<p>- Elements are made up of one kind of atom</p><p>-periodic table organizes these known elements</p>
3
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Why are atoms to important?

They are the building blocks of matter

<p>They are the building blocks of matter</p>
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What is an element?

A pure substance made up of only one type of atom.

The atoms within that element are identical to each other.

<p>A pure substance made up of only one type of atom.</p><p>The atoms within that element are identical to each other.</p>
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Molecule

A group of one or more type of atoms together.

<p>A group of one or more type of atoms together.</p>
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List the two types of molecules:

1. molecular element

2. molecular compound

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What is a molecular element?

a molecule consisting of atoms of the same element

<p>a molecule consisting of atoms of the same element</p>
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What is a molecular compound?

molecules that are composed of different types of elements/atoms.

<p>molecules that are composed of different types of elements/atoms.</p>
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How does hydrogen exist in nature?

H2