A sample of copper with a mass of 63.5 g contains 6.02x10^23 atoms. Calculate the mass of a single atom.

What are the forces that create electromagnetism?

How many moles of chlorine are in 100g of chlorine

How are the atoms of each element different?

Which of these factors makes nuclear energy unsustainable? A. Nuclear power plants last the longest. B. Nuclear energy requires wind turbines. C. Nuclear power plants cost the most to build. D. Nuclear energy relies on uranium.

What is the main cause of earths magnetic field?

Which layer of the earth can only be studied by indirect means

Is Euglena heterotroph or autotroph

What is the mass of 5000. atoms of silicon

Which coefficients balance this equation? _CH4 + _O2 - > _CO2 + _H2O A. 1, 1, 1, 1 B. 1, 1, 2, 1 C. 1, 2, 1, 2 D. 2, 1, 2, 1

Student B pushed on a cart against the wall with 500 N of force. The cart didn't move. How do u explain what happened?