How many electrons are present if a bromine ion has a charge of -1

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

Acontrol during an experiment. might change remains constant does not exist does change

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space