Zusammenfassung der Ressource
Science
- Acid
- Hydrogen ions (H)
- P.H. of 6 and below
- Turns Blue litmus red
- Neutralises bases
- Base
- Turns red litmus blue
- P.Hof 8-14
- Neutralises acids
- Alkali
- Base dissolved in water
- Hydroxide ions OH-
- Concentrated and dilute
- Concentrated acid
- Large amount of hydrogen ions and a
small amount of water
- Dilute acid
- Large amount of water and a small
amount of hydrogen ions
- ION
- An ion is an atom that has
lost or gained one or more
electrons
- Atoms
- Protons
- Are Much larger
- Positive charge
- Electrons
- are extremely small
- Negative Charge
- Neutrons
- Are large
- A similar mass to protons
- Have no charge
- Electron arrangement
- 2,8,8
- Periodic Table
- Parts of the periodic table
- Rows of elements which go horizontally
called periods
- collumns (vertically)
- Mass Number
- Mass number is the number of
protons and neutrons total in
the nucleus
- Atomic Numbers
- Equals number of protons and
electrons in a nucleus
- Element
- Substance consisting of atoms
that are the same or have the
same atomic number