chemistry

posted by .

1. How do you know that NO2 (with a negative charge 1) is an anion and not ionic compound?


2. What are the SI standard units for length and mass? Why ins't there a standard SI unit for volume?

  • chemistry -

    Compounds don't have charges.

    meter, kilogram. The standard unit of volume is m^3

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    Ok I think I figured this out but im not sure if its right please help. Thanks(= Determine the oxidation number for nitrogen in each of the following a)NH3 = -3 b)NO2-1 = 2 c)N2= 2 d)NO2Cl= 2 e)N2H4= 2 The first one is right. All must …
  2. Organic Chemistry

    This compound is characterized by ionic bonding between a group 1 metal cation and a tetrahedral anion. Write an appropriate Lewis structure for the anion and a specify a formal charge if there is one. NaBF4 I looked up the answer …
  3. Chemistry

    I need help with getting started: 1.The crystal structure of an ionic compound consists of alternating cations and anions lying next to each other in three dimensions. If the cation radius is 55.1% of the anion radius and the distance …
  4. Chemistry

    I need help with getting started: 1.The crystal structure of an ionic compound consists of alternating cations and anions lying next to each other in three dimensions. If the cation radius is 55.1% of the anion radius and the distance …
  5. chemistry

    Which of the following describes the compound Mn(NO2)2?
  6. Intro Chemistry

    An 0.6600 mol sample of an ionic compound has a mass of 131.9 g. Determine the mass (g) of one formula unit of the compound. I have no idea how to do the problem. I need help please, I'm reviewing for an exam. Thank You!
  7. Physics

    B)In physics (and in all science) standard units are used to ensure measurement uniformity. Which of the following fictitious units of measurement could not be considered a standard unit?
  8. Chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond?
  9. chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond?
  10. chemistry

    Check? Answers On bottom. Electrostatic interaction is important for which type of bond?

More Similar Questions