SAT, 14.10.2021 02:20 areynaguzman100
the element radium has a mass number of 226 and an atomic number of 88. how many neutrons does an atom of radium have?
Answers: 2
SAT, 25.06.2019 22:00, valencial0917
Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.
Answers: 1
the element radium has a mass number of 226 and an atomic number of 88. how many neutrons does an at...
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