The answer is so hard

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes no correct anwser get brainliest

Which term means two or more atoms that share electrons in a chemical bond? a. hydrogen bond b. moleculec. ionic bondd. element amd you