Nitrogen-14 and nitrogen-15 are isotopes of the same element. How do these two isotopes differ?

Calculate the number of Calories present in a Burger King Whopper with Cheese® that contains 55 g carbohydrate, 39 g of protein, and 53 g of fat.

1. An atom of silicon has a mass number of 28 and an atomic number of 14. How many protons and how many neutrons are in this atom? Show your calculation.

How many significant digits are in the length measurement 10.01 meters?

How do you solve Mass to mass problem

Match each of the unknown ions to its appropriate description. Match Term Definition V3 - A) A nonmetal that gained one electron X - B) A nonmetal that gained three electrons Y + C) A metal that lost one electron Z3 + D) A metal that lost three

Formula for sulfur tetrafluoride

Geologists think that parts of the Appalachian Mountains formed originally from sediments accumulating in shallow swamps. The weight of the sediments caused the area beneath them to sink, allowing more sediments to accumulate.

What volume would 1.5 mol of nitrogen gas occupy at standard temperature and pressure?

State three reason why do you think air is a mixture and water a compound?

Defined the following convection