Across
- 3. Is an isotope of hydrogen that has only 1 proton and 1 neutron
- 4. Are atoms of the same element that have the same number of protons but with different quantity of neutrons.
- 6. Is the smallest portion of matter and contain subatomic parts like, electron, neutron and proton
- 7. Belonging to or relating to the energy produced by atomic fusion or fission reactions.
- 10. Is an isotope of hydrogen that has 1 proton and 2 neutrons.
Down
- 1. Is an enormous star that is in the solar system, it provides light and warm to the Earth.
- 2. to chemistry, or the interactions of substances as studied in chemistry.
- 5. Change produced in response to a stimulus.
- 8. Is an element that has an atomic number of 2, it symbol is He.
- 9. Is an isotope of hydrogen that has only 1 proton.