Question

1. how many more neutrons does thorium - 230 have than protons? how many electrons does thorium - 230 have?

Explanation:

Step1: Find the number of protons

The atomic number of thorium (\(Th\)) is \(90\). So, the number of protons \(p = 90\).

Step2: Find the number of neutrons

The mass number \(A=230\). Using the formula \(n=A - p\), we substitute \(A = 230\) and \(p = 90\). So, \(n=230 - 90=140\).

Step3: Find the difference between neutrons and protons

\(n - p=140 - 90 = 50\).

Step4: Find the number of electrons

For a neutral atom, the number of electrons \(e\) is equal to the number of protons. So, \(e = p=90\).

Answer:

Thorium - 230 has 50 more neutrons than protons and 90 electrons.