Purchase Solution

Identifying Element from Number of Protons and Neutrons

Not what you're looking for?

Ask Custom Question

An unknown element which has 120 protons and 174 neutrons, has the name ultimatum and symbol Ul.

Give the atomic number of ultimatum and give the full symbol for the above isotope.

Purchase this Solution

Solution Summary

The solution gives not only the answers but also the steps required to arrive at the answer.

Solution Preview

Number of protons = number of electrons

Hence, the atomic number = 120

mass = ...

Purchase this Solution

Free BrainMass Quizzes
General Chemistry - Classification of Matter

This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.

Organic Chemistry Naming: Alkanes

This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.

Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.

Match Elements with their Symbols

Elements are provided: choose the matching one- or two-letter symbol for each element.