A few days ago
6th grade math homework. the elements below are some of the principal elements of the sun. the numbers give?
the average weight of one atom of each element. write each weight in standard form. weights are given in atomic mass units, or amu
HYDROGEN: 1 and 794 hundred-thousandths amu
next question
HELLIUM: 4 and 26 ten-thousandths amu
If you could please help with these 2 questions I am sure I can help my daughter complete her homework. I just can not believe I can not remember how to do it.
Top 1 Answers
A few days ago
Favorite Answer
Ok, I have a degree in Math and In Business and boy do I feel dumb. If this is a 6th grade question, I think I am definitely NOT smarter than a 6th grader. This being said, I can tell you the following and I hope it helps.
Chemical Notation
The standard form for writing the chemical symbol of an element, X, is:
The element’s mass number is written in superscript, and the atomic number is written in subscript. You can infer the neutron number by subtracting A – Z. For instance, we would write the chemical symbol for the two carbon isotopes, called carbon-12 and carbon-14, as is on the following website.
0
- Academic Writing
- Accounting
- Anthropology
- Article
- Blog
- Business
- Career
- Case Study
- Critical Thinking
- Culture
- Dissertation
- Education
- Education Questions
- Essay Tips
- Essay Writing
- Finance
- Free Essay Samples
- Free Essay Templates
- Free Essay Topics
- Health
- History
- Human Resources
- Law
- Literature
- Management
- Marketing
- Nursing
- other
- Politics
- Problem Solving
- Psychology
- Report
- Research Paper
- Review Writing
- Social Issues
- Speech Writing
- Term Paper
- Thesis Writing
- Writing Styles