Which scientist won the nobel prize for discovering the electron?

a. dalton

b. democritus

c. lavoisier

d. thomson

Why are numbers used in chemistry often expressed in scientific notation?

Which of the following laboratory procedures best illustrates the law of conservation of mass? Recording the rise in water level when a 25 g piece of wood is placed in 200 mL of water Synthesizing 36 g of H2O plus leftover reactants by combining 4 g

What happened approximately 20,000 years ago? A. the last ice age B. the last glacial maximum C. the last interglacial period D. a change in Earth's axial tilt

What's the Charles and Boyle's law?

What does adhesion mean

If The mass of a box is increased and the force stay the same, determine the relationship with acceleration

A balloon contains 0.15 moles of co2 gas. how many molecules of co2 are in the balloon?

Acids A) are generally proton donors B) produce H + ions in solution C) are electron pair acceptors D) may include all of these characteristics

3.011 x 10^23 atoms F in grams

What would you use if you needed to determine the density of an object? balance and graduated cylinder balance and scale scale and spectroscope