Naila :]

Naila :]

Wednesday, April 17, 2013

Elements & Compounds

What is an element?
 Elements are substances that cannot be broken down into anything simpler.

1. Facts about water:
 2 hydrogens
 1 oxygen
 when they come closely together, they become liquid
 whenever they come really close together, they form a solid
 Waters' formula simplified is H2O

How is the Periodic Table organized?
they're organized by their characteristics. Maybe by metals or by gases.


2. What is the name of the element that C stands for?
  carbon

3. What is the atomic number for C?
  6

 4. Locate Hydrogen, atomic number 1, what is the atomic mass?
 1.0079

5. Locate Oxygen, atomic number 8, what is the atomic mass?
15.9994

6. Locate Carbon, atomic number 6, what is the atomic mass?
12.0107


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