Could you attach a picture because I can tell you didn't post the entire question.
Answer:
All matter consists of indivisible particles called atoms. Atoms of the same element are similar in shape and mass, but differ from the atoms of other elements. Atoms cannot be created or destroyed. Atoms of different elements may combine with each other in a fixed, simple, whole number ratios to form compound atoms.
Explanation:
Hope this helps have a great day
Gas i took the test plz mark brainliest!
Electronegativity is your answer.
