I will give Brainliest Which feature defines a neutral atom?

the number of electrons equal to the number of protons

the ability to change to another substance during a chemical reaction

a low level of reactivity

a full outer electron shell

Who is better, messi or cristiano, i need this for a chemistry class. asap

Which of these best describes an ionic bond?

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.