INSTRUCTIONS: Fill in the crossword puzzle. Be guided by the clues below. Write your answers in CAPITAL LETTERS
Across
2. the simplest unit of matter
4. a positively charged particle in the nucleus of an atom.
7. negatively charged particles inside the atom.
8. a particle in the nucleus that has no electrical charge.
10. a Greek word for uncuttable / indestructible.
Down
1. Name of an element with an electron configuration of 1822s22p".
3. What do you call the electrons found on the outermost shell of an atom?
5. cloud of electrons around an atom where electrons are most likely to be
found.
6. Name of an element with an electron configuration of 1s22s22p
1
2.
1.
3.
9.
10.
8.
H
4.
5.
6.
7.

i hope you can answer it