Jess D

The altitude of an equilateral triangle is 12cm. Find the length of the sides.

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

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-

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

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.

hi i have a science exam on tuesday and i don't understand what isotopes are??

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 proto...

Hi im doing measurement at skool at the moment and i cant quite ork out some questions. Can someone please help!! A chess board consists of 5cm squares of blackwood and maple(for the white squares) surrounded by an 8cm wide blackwood border. Determine th...

hi ok this is my attempt can you please give me some feedback... thanks 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 ???...

hi i do not understand those websites could u explain it for me??