Which scientist is credited with developing the first scientific atomic theory?

a. John Dalton

b. Joseph Proust

c. Ernest Rutherford

d. J. J. Thomson

it can't be d because i chose and it was not right answer

How fast do you think the air particles in this room are moving compared to a car going 50 mph (about 22m/s) ? Put your answer is in the form, 'a molecule travels ___ as fast as a car"

Which statement describes an effect of large asteroid and comet impacts?

Which of the following crystals would be softest and most malleable? CO2 C SiO2 MgO

How many atoms of each element are in the chemical formula NH4NO3? 1 nitrogen, 1 hydrogen, and 3 oxygen 1 nitrogen, 4 hydrogen, and 3 oxygen 2 nitrogen, 4 hydrogen, and 3 oxygen 5 nitrogen, 1 hydrogen, and 1 oxygen

What are the subscripts for the molecular formula of C2H3

Which of the following is true of mixtures? A) a mixture is a combination of two or more substances in which each substance retains its own properties B) A mixture is composed of a single pure substance C) A mixture must contain multiple compounds

Identify the main source of energy used by most organisms

Write a net ionic equation to show that codeine, c18h21o3n, behaves as a bronsted-lowry base in water.

What is the name of the hybrid orbitals used by chlorine in clf3?

Which one is correct A. It allowed them to escape B. It allowed them to chase down C. It allowed them to reach food D. All of these