Dont Answer if you dont know I'm running out of points and in an important exam: write the isotooe notsyion and the shorthand notation for an isotooe of nitrogen that has an atomic number of 7 and 11 neutrons​

You open a can of soda at room temperature and hear a hiss. which of the following factors has changed inside the container? a.) atmospheric pressure b.) temperature of gas c.) type of gas d.) amount of gas

Which sample at stp has the same number of atoms as 18 liters of ne at stp

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt