C2 - Atoms And Isotopes Flashcards
What is the relative mass of a proton?
1
What is the relative charge of a neutron?
0
What is the relative charge of an electron?
-1
On the periodic table, what is the bottom number on an element?
The atomic number
How do you work out the relative atomic mass of an element?
(% x Mass of isotope) + (% x Mass of Isotope)
/100
What did Mandeleev want to ensure when creating the periodic table?
That all elements were arranged in the correct groups and periods relative to their properties
How do you work out the number of neutrons within an element?
The relative atomic mass - the atomic number
Who was Mandeleev?
He was a chemist and inventor who created the periodic table
On an element on the periodic table, what is the top number?
The relative atomic mass
What is the relative charge of a proton?
+1
What is a compound?
Two or more different elements conjoined together
What is the relative mass of an electron?
Negligible
What is the relative mass of a neutron?
1
