Answer:
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
Explanation:
Answer:
Given the activity series of elements, the reaction that will occur is: 2AgNO3 + Ni -----> Ni(NO3)2 + 2Ag
The Arrhenius Theory
The Brönsted-Lowry Theory
The Lewis Theory
(let me know if needed explanation)
The atomic number represents or stand for the distinction identity of a chemical element. It is usually defined as the number of protons present number in an atom of an element, which is also equal to the number of electrons