Topic 1: Why Are Distress Flares Red? Flashcards
What is the charge of a neutron?
0
What is the charge of a proton?
1+
What is the charge of a electron?
1-
What is the atomic number?
The number of protons, which for an atom will be equal to the number of electrons.
What is the mass number?
The number of protons plus neutrons.
What is an Isotope?
An Isotope is an atom of the same element but with a different mass number. Therefore, the have a different number of neutrons.
What is a mass spectrometer?
A mass spectrometer can identify the different isotopes and work out their % abundance in a sample of the element.
What is the Relative Atomic Mass (RAM)?
The Relative Atomic Mass (RAM) is the average mass of all the isotopes of a single element, taking into account the relative proportions of each isotope.