Science

posted by .

Hi i have a science exam on tuesday and really need some help to see if what im doing is right.

The question is - How many electrons, protons and neutrons are in the following: a) Br1-
b) Be2+
c) Ne
d) P1-
e) Fe

AND MY ANSWERS ARE:

a)35 electrons
35 protons
45 neutrons

b)4 electrons
4 protons
5 neutrons

c)10 electrons
10 protons
10 neutrons

d)15 electrons
15 protons
16 neutrons
i don't think this ones right ???

e)26 protons
26 electrons
30 neutrons
i don't think this ones right either???

cOULD YOU PLEASE GIVE ME SOME FEEDBACK uRGENTLUY!! plEASE.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Science

    hi i have a science exam on tuesday and i don't understand this question and really need some help. Define: reactant and product
  2. Science

    hi i have a science exam on tuesday and i don't understand this question and really need some help. Draw a diagram of a) Magnesium Atom, Mg b) Fluorine ion, F1-
  3. Science

    hi i have a science exam on tuesday and i don't understand this question and really need some help. How many electrons, protons and neutrons in the following: a)Br1- b)Be2+ c)Ne d)P1- e)Fe
  4. Science

    hi i have a science exam on tuesday and i don't understand this question and really need some help. List the different parts of an atom and give their definition.
  5. Science

    1. Which statement about subatomic particles is NOT true?
  6. Chemistry question!

    Please help! What do both an atom and an ion of the isotope of sodium, Na, contain?
  7. chemistry

    Which of the following statements about protons are false?
  8. Chemistry

    Atom A- 6 protons, 6 electrons, 7 neutrons Atom D- 6 protons, 6 electrons, 8 neutrons Atom X- 7 protons, 7 electrons, 8 neutrons Atom Z- 8 protons, 8 electrons, 9 neutrons Which two atoms are isotopes of the same element?
  9. Science

    Which statement about subatomic particles is NOT true?
  10. Biology HELP!

    1. Which of the following correctly identifies the composition of an oxygen atom?

More Similar Questions