How many moles of tungsten atoms are in 4.8x10^25 atoms of tungsten?

Who made. Accurate atomic weight determination's

What is the volume of 1.5 moles of chlorine gas (Cl2) at standard temperature and pressure (STP) ?

List two ways in which heterogeneous mixtures differ from elements.

31 What is the number of electrons in an Al3 + ion? (1) 10 (3) 3 (2) 13 (4) 16

Which sentence is a scientific statement? A. There is a substance around us that cannot be detected. B. Kids should go to school for 12 years. C. Experimentation is the best way to obtain knowledge. D. Unicorns once existed on Earth. E.

What is the product? 3•[1 - 4 5 - 7] [3 - 12 15 - 21] [4 - 1 8 - 4] [3 12 15 21] [4 - 12 8 - 21]

A hormone is an organ that secretes chemical substances into the bloodstream.

Complete and balance the equation for the combustion of zns in excess oxygen? zns + ? o2→? zno + ? use no fractional coefficients. the number of moles and the formula of the product containing s are

What is the relationship between the units of measurement for the volume of a liquid and of a solid object?

1. Which of the following elements is a transition metal?