Periodic Table Flashcards
What is the Periodic Table?
A table with shows 118 known elements aranged in groups with similar properties.
Group 1 is called…
Alkali metals
Group 7 is called…
Halogens
Group 8 is called…
Noble gases
What is the middle group called?
Transition metals
If we react magnesium with oxygen, The product is
Magnesium oxide
IfI react copper with nitrogen, The product is
Copper nitride
E,g. What does NITRATE contain
Nitrogen and Oxygen
E.g. Waht does Carbonate contain?
Carbon and oxygen
What does Sulfate contain?
Sulfur and oxygen.
If you ask to write a formula.e.g. H20
Is wrong because we need to make sure that the number is subscript and lower case like this H₂O
Alkali Metals
- All react with water to create a metal hydroxide and hydrogen gas.
- Gets MORE reactive as we go DOWN the group.
- Soft and dull.
Lithium + water =
Fizzing
Sodium + water =
Fizzing, become a sphere, moved on surface.
Potassium + water =
Purple flame