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Water and H2O

Water and H2O. Being that water makes up 70% of our planet’s surface it makes sense to understand the atoms that make up the molecule of water. Water is molecule that is made up of the atoms Hydrogen and Oxygen. Using the periodic table provided, fill in the information needed:.

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Water and H2O

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  1. Water and H2O • Being that water makes up 70% of our planet’s surface it makes sense to understand the atoms that make up the molecule of water. • Water is molecule that is made up of the atoms Hydrogen and Oxygen. • Using the periodic table provided, fill in the information needed:

  2. Elements in Water… • Hydrogen Atomic #: Atomic Mass: # of protons: # of Neutrons: # of Electrons: Group #: Period #:

  3. Elements in Water • Oxygen Atomic #: Atomic Mass: # of protons: # of Neutrons: # of Electrons: Group #: Period #:

  4. Elements in Salt Water (NaCl) • Sodium Atomic #: Atomic Mass: # of protons: # of Neutrons: # of Electrons: Group #: Period #:

  5. Elements in Salt Water (NaCl) • Chlorine Atomic #: Atomic Mass: # of protons: # of Neutrons: # of Electrons: Group #: Period #:

  6. Creating a Molecule • The elements Hydrogen and Oxygen are attracted to each other because of their electron cloud formation.

  7. Creating A Chemical Bond • Every Element has a certain number of Electrons in its outer shell (cloud) • If the outer shell is not filled these electrons are called valence electrons. • This atom has 4 Valence Electrons.

  8. Stable Elements • Each element wants to be stable. • To do this, it must fill each electron spot of its outer level with an electron from another element. • Once the electrons are given and taken, the two elements are know bonded.

  9. Giving or Receiving Electrons…8 is the magic number…. • The valence electrons of an element can be given to another element to help fill the receiving elements empty spaces. • For Example:

  10. A molecule of water

  11. The Results of Bonding… • When two or more elements bond they will form a molecule. • This molecule is then called a compound. • A compound is a substance made up of two or more elements that are chemically combined.

  12. This how the compound of salt is made: • Na gives 1 Electron to Cl.

  13. Location on the Periodic Table… • An elements location on the periodic table will tell you how many valence electrons it has or how many empty spaces it has in its outer shell. • The group # equals the # of valence electrons.

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