In which of the following is most of the water on earth held?
a.
rivers
b.
glaciers
c.
soil
d.
the ocean

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4