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  1. Visual explanation between Molecule vs Compound vs Element vs …

    Visual explanation between Molecule vs Compound vs Element vs Atom vs Substance? Ask Question Asked 8 years, 10 months ago Modified 8 years, 2 months ago

  2. What is the difference between O & O2 - Chemistry Stack Exchange

    Jan 9, 2017 · What is the difference between $\ce {O}$ and $\ce {O2}$. If C is carbon and then why $\ce {O2}$ is oxygen.

  3. What is the difference between an element and an atom?

    Sep 5, 2015 · An atom is a collection of protons, neutrons and electrons. A single, isolated atom in its neutral state has some number of protons, the same number of electrons and some …

  4. Atoms vs molecule when talking about the avogadro's number?

    Mar 5, 2021 · For example, a molecule of water ($\ce {H2O}$) has 2 hydrogen atoms and one oxygen atom. However, when it comes to Avogadro's number, I'm getting confused because it …

  5. Can an element be a single atom or a molecule made up of atoms …

    Sep 15, 2022 · Yes, element can refer to single atoms, to a molecule or, at the macroscopic level, to a sample made up of atoms grouped as molecules or not. The only requirement is that all …

  6. What is the definition of of 'compound', 'mixture', 'element' and ...

    Mixture: two or more different atoms together but not joined. Molecule: two particles (same or different) bonded together. Element: only 1 type of atom; this definition is applied to things …

  7. Is a hydrogen molecule smaller than hydrogen atom?

    May 15, 2019 · However, the actual radius of hydrogen molecule is $120~\text {pm}$ which is greater than that of hydrogen atom i.e. $53~\text {pm}$. So, what does the author actually …

  8. stoichiometry - What exactly does the term "gram atoms" mean ...

    Apr 12, 2015 · The term gram-atom (abbreviated gat.) has been used for a related but distinct concept, namely a quantity of a substance that contains Avogadro's number of atoms, whether …

  9. inorganic chemistry - What is the difference between 'particles ...

    Aug 15, 2014 · chemical species substance particle atom/isotope salt I am rather confused about these terms, because my tutor uses particles and molecules (and elements) as if they were …

  10. inorganic chemistry - Radicals vs atoms having unpaired electrons ...

    Apr 19, 2020 · In organic chemistry course, I read that a radical is an atom, molecule or ion which have unpaired valence electrons. So does there any difference between chlorine atom or …