Chemistry crossword

2. High speed electron ejected out of nucleus when a neutron gains a positive or negative charge
5. a reaction that occours to make a radioactive element stable
10. The study of the properties characteristics and reactions of matter
11. an atom that has gained or lost an electron
13. the number of protons/electrons in an atom
15. splitting of heavier atoms into lighter ones

1. helium nucleus released as a product has 4 neutrons and 2 electrons/protons
3. +1 charge
4. High speed radiation that comes out of beta or
6. -1 charge very light part of an atom
7. what is found on the periodic table
8. no charge and found in the nucleus of an atom
9. splitting of heavier atoms into lighter ones
12. what an element on average weighs represented on the periodic table on the bottom of an element
14. an atom with a change in nuetrons