How many neutrons does element x have if it’s atomic number is 35 and it’s mass number is 77?

Which other elements contain the same number of outer electrons as sodium

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.