Sunday
April 20, 2014

Homework Help: Science

Posted by Jess D on Sunday, March 23, 2008 at 4:34am.

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 dont think this ones right ???

e)26 protons
26 electrons
30 neutrons
i dont think this ones right either???

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

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Science - hi i have a science exam on tuesday and i dont understand this ...
Science - hi i have a science exam on tuesday and i dont understand this ...
Science - hi i have a science exam on tuesday and i dont understand this ...
Science - hi i have a science exam on tuesday and i dont understand this ...
Science-Periodic Table - describe how to verify the # of electrons in the ion of...
Science - Which statement about subatomic particles is NOT true? A.) Protons and...
Chemistry question! - Please help! What do both an atom and an ion of the ...
Science - 1. Consider a neutral atom that has 17 electrons A.) how many protons ...
chemistry - Which of the following statements about protons are false? (Select ...
Chem- bobpursley - What mass of protons would be required to just neutralize the...

Search
Members