Question

0
i Write the electronic configuration of an element X whose atomic number is 18
ii. An isotope of carbon is represented as 14ce6 Calculate the number of electrons
protons and neutrons.
¡¡¡What are isotopes?​

Answer 1

Answer:

1 : 2,8,8

3: one of two or more forms of a chemical element that have different physical characteristics but the same chemical characteristics

Explanation:

sorry I don't know answer of 2