Chapter 2 foundations in chemistry

What is deuterium

An isotope of hydrogen, when found in H2O also known as heavy water

What is a mass defect?

The small amount of mass lost from the strong nuclear forces which hold together protons and neutrons

What is the definition of relative isotopic mass?

The mass of an isotope relative to 1/12 of the mass of carbon 12.

What is the definition of relative atomic mass?

Weighted mean of an atom compared to 1/12 carbon 12.

What is used to find the percentage abundances in a sample?

mass spectrometer

What is a mass spectrometer used for?

To find the percentage abundances of isotopes in a sample

What is a m/z ratio?

mass to charge ratio

What is the charge of Zinc? (Zn)

Zn 2+

What is the charge of Silver? (Ag)

Ag +

How do you name a binary compound?

Name the first element and change the second elements ending to -ide.

In ionic compounds the metal ion comes first.

what are the 5 steps in a mass spectroscopy?

Vaporisation, ionisation, acceleration, deflection, detection

what is the definition of an atom?

The smallest part of matter which retains the properties of its element

What is the definition of element?

a substance which contains one type of atom with the same atomic number

What is the definition of isotope?

an element with the same atomic number/ number of protons but a different number of neutrons

What is the definition of the term relative abundance?

the amount of each isotope in relation to the rest of the samples taken, given as a percentage.