Which of the following identifies the models that represent an ion and an isotope of the original atom? O A. Model 2 is an isotope; Model 3 is an ion
O
B. Model 1 is an ion; Model 2 is an isotope
o C. Model 1 is an ion; Model 3 is an isotope
O D. Model 1 is an isotope; Model 2 is an ion
Sig

What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons,neutrons,electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

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.