Elements and Compounds

Foundation Science 4 Class Code SC22102
Matter
Matter is anything that has mass and takes up space
Is this matter?
Is this?

Is gas matter?
The Atom
Atom – the basic unit of matter
Atom is made of a nucleus and electrons
Nucleus is made of protons and neutrons
H...
The Atom
Helium Atom

Is this Helium atom
matter?
YES! Atoms have
mass and take up
space
How Small is an Atom??
Elements
Elements – substances that can’t be broken down
further
Examples of elements: Gold and Oxygen
Gold is an element
...
Periodic Table of Elements
There are 118 elements
98 of the elements are natural, the others man-made
Creation of the Periodic Table
Dmitri Mendeleev was a Russian chemist who
created the first periodic table in 1869
How to use a Periodic Table

weight

Atomic Number is the number of protons
Atomic symbol is a short way to write the elem...
Answer Questions in Notebook
1.

2.
3.
4.

Complete the table using a periodic table

In your own words, tell me the diffe...
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Elements and Compounds 1

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Elements and Compounds 1

  1. 1. Elements and Compounds Foundation Science 4 Class Code SC22102
  2. 2. Matter Matter is anything that has mass and takes up space Is this matter? Is this? Is gas matter?
  3. 3. The Atom Atom – the basic unit of matter Atom is made of a nucleus and electrons Nucleus is made of protons and neutrons Helium Atom
  4. 4. The Atom Helium Atom Is this Helium atom matter? YES! Atoms have mass and take up space
  5. 5. How Small is an Atom??
  6. 6. Elements Elements – substances that can’t be broken down further Examples of elements: Gold and Oxygen Gold is an element because it can’t be broken down into simpler parts. Gold Atoms Is water an element? NO, water can be broken down into hydrogen and oxygen.
  7. 7. Periodic Table of Elements There are 118 elements 98 of the elements are natural, the others man-made
  8. 8. Creation of the Periodic Table Dmitri Mendeleev was a Russian chemist who created the first periodic table in 1869
  9. 9. How to use a Periodic Table weight Atomic Number is the number of protons Atomic symbol is a short way to write the element Atomic weight is the average mass of the element (protons + neutrons)
  10. 10. Answer Questions in Notebook 1. 2. 3. 4. Complete the table using a periodic table In your own words, tell me the difference between matter and an atom Is oxygen matter? Is oxygen an element? What is the atomic number of oxygen? How many protons does an atom of Oxygen have? 5. What is the atomic weight of aluminum? 6. What is an element? 7. Who created the first periodic table? What year did he create it? 8. What is the atomic symbol for gold? 9. What is the atomic symbol for iron? 10. If an atom has 16 protons, what type of atom must that be? 11. Are atoms mostly empty space?

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