Go Math Science

by Dr. Osama M. Khaled — published Jun 11, 2024 — last modified Jul 13, 2024 01:01 PM — filed under: Year 10

Avogadro's number, also known as Avogadro's constant, is a fundamental constant in chemistry that represents the number of atoms, molecules, or particles in ...

Located in Physics / Atoms and Molecules

One mole of chlorine contains how many grams?

by Dr. Osama M. Khaled — published Jun 11, 2024 — last modified Jun 11, 2024 08:43 PM Located in Physics / Atoms and Molecules / Avogadro's Number

Avogadro's Number

by Dr. Osama M. Khaled — published Jun 11, 2024 Located in Physics / Atoms and Molecules / Avogadro's Number

Identify the elements of each compound

by Dr. Osama M. Khaled — published Jun 01, 2024 Located in Physics / Atoms and Molecules / Elements and Compounds

Identify each of these as an element or a compound

by Dr. Osama M. Khaled — published Jun 01, 2024 — last modified Jul 03, 2025 12:29 PM Located in Physics / Atoms and Molecules / Elements and Compounds

Any compound can be broken into its constituent elements by chemical means

by Dr. Osama M. Khaled — published Jun 01, 2024 Located in Physics / … / Elements and Compounds / Identify each of these as an element or a compound

Which elements make up table salt?

by Dr. Osama M. Khaled — published Jun 01, 2024 Located in Physics / … / Elements and Compounds / Identify each of these as an element or a compound

Can table salt be changed from a compound into two elements?

by Dr. Osama M. Khaled — published Jun 01, 2024 Located in Physics / … / Elements and Compounds / Identify each of these as an element or a compound

Dividing two fractions

by Dr. Osama M. Khaled — published Apr 19, 2024 — last modified Jul 03, 2025 12:29 PM Located in Mathematics / … / Dividing Fractions / Divide Fractions

divide_chocolate_bar.gif

by Dr. Osama M. Khaled — last modified Apr 19, 2024 09:08 PM Located in Mathematics / … / Divide Fractions / A chocolate bar example

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