chemistry

posted by pooja

1state relative mass and charge of an electron
2 an atom of an element X may be written as 4X^9 (a)What does the figure 9 indicate? (b)what is the number of protons in an atom X? (c)what is the number of electrons in an atoms X? (d)what does the number 4 indicate?
3 describe the rutherfords nuclear madel of an atom

  1. DrBob222

    I did the last one (above) for you. Not this one. I'll be glad to explain what you don't understand but not another 6 freebies.

Respond to this Question

First Name

Your Answer

Similar Questions

  1. Chemistry

    In our text book, the formula for finding the formal charge of an element in a compound is c(sub f) = X - (Y + Z/2) where x = the number of valence electrons y= the number of unshared electrons owned by the atom z= the number of bonding …
  2. Science

    1. Which statement about subatomic particles is NOT true?
  3. Science-Periodic Table

    whats the connection/relationship between the # of protons in the nucleus of an atom & and atomic # of the element?
  4. Science-Periodic Table

    describe how to verify the # of electrons in the ion of an element. Can you please correct some of my wordings in here. I don't really get how to explain it. You look at the atomic number which is the same number of protons as electrons; …
  5. chemistry

    I wanted to check my True and False Chemistry HW. I am not 100% they are correct. 1.the number of neutrons in an atom is reffered to as its atomic number False 2.the periodic table is arranged by increasing atomic number True 3.atomic …
  6. chemistry

    1.what is meant by atomic number of an element?
  7. Pre-AP Science

    an atom consists of 10 neutrons ,10 electrons,and 9 protons. The atom has gained an electron resulting in a charge of -1. What is its mass number?
  8. Chemistry

    Check answers? 1) Why did J.J. Thomson reason that electrons must be a part of the atoms of all elements?
  9. MS. SUE HELP- Chemistry

    Check answers? 1) Why did J.J. Thomson reason that electrons must be a part of the atoms of all elements?
  10. Periodic Table

    1. The atomic mass of an element is A. the sum of the protons and neutrons in one atom of the element.** B. twice the number of protons in one atom of the element. C. a ration based on the mass of a carbon-12 atom D. a weighted average …

More Similar Questions