Who predicted that all matter can behave as waves as well as particles

The tendency for an object at rest to remain at rest is?

If a machine changes the direction, but not the amount of the input force, the mechanical advantage is greater than 1. TRUE OR FALSE

What is the atomic number of neon? What is the atomic mass of neon? Give your answer to the nearest tenth.

Using the periodic table determine the atomic mass of Na2C2O4

Erbium (Er) is element 68 on the periodic table. A sample contains 5.04*1023 atoms of Er. Calculate the amount of Er.

Lead had been used in plumbing and other products since ancient times. How have chemists contributed to our understanding of lead today? A. They have shown how lead can build up and cause damage in the human body. B.

When converting from moles to molecules OR molecules to moles you use what quantitative value?

Whose model of the atom did J. J. Thomson prove to be incorrect with his Cathode-Ray tube experiments? Neils Bohr John Dalton Erwin Schrodinger James Chadwick

Which soil cannot be rolled into balls or clumps

Water from lake changes to the gAs state in process of