Analyse the table given below and choose the correct option regarding atomic radius of X and Y.
Element
Number of protons
Number of neutrons
X
11
12
Y
14
Given the element aluminium with atomic number 13 and number of neutrons 14.Find the mass number, number of protons, number of electrons and electronic configuration.
Complete the following table relating to the atomic structure of some elements.
ElementAtomicMassNumber ofNumber ofNumber ofSymbolNumberNumberNeutronsElectronsProtonsLi36Cl1720Na1211Al2713S3216
If Mg2+has 12 protons and 12 neutrons, what is its atomic number and mass number?
Atomic species