On topographic maps, contour lines that are close together indicate O A. flat land
B. gentle slopes
C. river valleys
D. steep slopes

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

How many neutrons does an element have if its atomic number is 50 and its mass number is 166