What does the atomic number of an atom tell us? How much the atom weighs

The number of protons in the atom

Which column the element is in on the periodic table

The number of electrons it is likely to lose

The number of protons in the atom!

Explanation:

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles