Duplicate of College Prep - Chapter 3: Atomic Structure

Who established an atomic theory that was supported by scientific proof?

Who first suggested the existence of the atom in 400 BC?

How many neutrons are there in Carbon-14?

Which law says a chemical compound contains the same elements in exactly the same proportions?

Which statement below regarding the nucleus is incorrect?

What element has an atom with 26 neutrons and a mass number of 48?

Find the number of moles in 92.5 grams of nickel.

Isotopes have the same number of _____, but a different number of ______.

Which law states that elements always combine in small whole number ratios?

Reactant #1 = 3g, Reactant #2 = 5g → Product #1 = 6g, so Product #2 = ?

Which scientist and discovery is incorrectly matched below?

Calculate the mass, in grams, of 3.24 x 10²² atoms of iron. 

Which model of the atom and description are incorrectly matched?

What discovery and experiment/device below are incorrectly matched?

Which two scientists believed the atom was indivisible?

Find the average atomic mass: Copper-63 = 69.09%; Copper-65 = 30.91%

Name the smallest particle of an element that retains the chemical properties of that element.