Chemical Reactions Flashcards
Metal + Oxygen —->
Metal Oxide
Metal + Water —->
Metal Hydroxide + Hydrogen
Metal + Acid —->
Salt + Hydrogen
Solution + Solution —->
Precipitate Solution
What does the Atomic Number show?
Number of Protons, Electrons.
What does the Mass Number show?
Number of Protons + Number of Neutrons.
What does the Group Number show?
Number of Valence Electrons.
What does the Period Number show?
Number of energy shells.
Why do atoms gain or lose electrons?
To have a full stable valence shell.
Are Metals Positive or Negative ions?
Positive meaning that they lose electrons.
Are Non-Metals Positive or Negative ions?
Negative meaning that they gain electrons.
What is a way that you can test for Hydrogen?
Squeaky Pop Test.
What is a way that you can test for Carbon Dioxide?
Limewater goes cloudy.
What is a way that you can test for oxygen?
Glowing Splint Relights.
What is a way that you can test for Acid/Base?
Universal Indicator.
Describe a Polyatomic ion.
An ion which has two or more atoms.