Atoms Flashcards
What is an Element?
An Element is a Substance consisting of Atoms, which have the Same Number of Protons
What is the mass of an Electron?
The Mass of an Electron is 1/1840
Define the term Isotope
An Isotope is a Variation of the Atom of an Element with a different number of Neutrons, hence a different Atomic Mass
What do all Isotopes have in common?
Atomic/Proton Number
What is the difference between different Isotopes?
- Number of Neutrons
- Isotopic Atomic Mass
Define Relative Atomic Mass
Relative Atomic Mass is the weighted Mean Mass of all Atoms of an Element in comparison to One Twelfth of the mass of a Carbon-12 Atom
What does Relative Isotopic Mass mean?
Relative Isotopic Mass is the weighted Mass of an Atom in comparison to One Twelfth of the mass of a Carbon-12 Atom
Define Relative Molecular Mass
Relative Molecular Mass is the weighted Mean Mass of a Molecule in comparison to One Twelfth of the mass of a Carbon-12 Atom
What does Relative Formula Mass mean?
Relative Formula Mass is the weighted Mean Mass of a Formula Unit in comparison to One Twelfth of a Carbon-12 atom
What can be used to find Relative Masses?
A Mass Spectrometer can be used to work out Relative Masses
What is an Ion?
An Ion is a Positively or Negatively charged Atom
What Ion do Zinc atoms form?
Zinc forms Zn2+ Ions
What Ion do Silver Atoms form?
Silver atoms form Ag+ Ions
What does Iron(III) mean?
Iron(III) means Iron is in the the form Fe3+
What is a Molecular Ion?
A Molecular Ion is an Ion made from Covalently Bonded Atoms
