princessjane

thanx for ur help :]

hi can u help me with this please -which one of these is the atom= 2,8,8,2? -for neutral atoms with 21-30 protons, the third shell resumes filling;that is, for element 21, the element arrangement is 2,8,9,2. -a-write down how the electrons are arranged in an atom containing 30 electrons??? -b- how are the electrons arranged in a neutral atom containing 31 protons? thankyou in advance for all ur help. jane (:

i need help with my year 10 science homework! i can't find answers to these questions, if you could help with the answers or let me know what website to go onto please let me know. thanks from jane 1. What is the name of the basis or example from which further developments may be made?(9 letters long) 2. What is the name of an electrical thread that conducts electricity?(8 letters long) 3. What is the name of grouping items according to common characteristics?(11letters long) 4. What is the name of objects with orbits first found between Mars and Jupiter, much smaller in size than the planets? (9 letters long) 5. What is the name of something you use a filament sealed inside a bulb filled with halogen gas? 6. What is the name of an experiment that compares results gained against a control that is identical to the subject of the experiment? Thankyou for all your help! :]