Chemistry: Scientists & Models of the Atom

Which is the current model of the atom?

How many electrons are in an atom of selenium with a symbol of ⁷⁸₃₄Se^2-

Answer the question:

Which model is this?

Which is NOT part of Dalton's atomic theory

Who performed the oil-drop experiment?

Which subatomic particle did JJ Thomson discover?

The idea that the position of an electron cannot precisely be determined is known as the

Place in order of development: 1. Planetary Model 2. Quantum Mechanical Model 3. Solid Sphere

Who developed the Plum-Pudding Model?

How many protons, neutrons, and electrons are in the following atom: ¹⁰⁹₄₇Ag⁺¹

Which scientist discovered the electron?

How many electrons are in ⁵⁹₂₈Ni²⁺

Which model is this?

Which model is this?

Who was the first to theorize about the existence of atoms?

Who discovered the neutron?

What is the isotope symbol for a nitrogen atom with 8 neutrons and 10 electrons?

How many neutrons are in a titanium-48 atom?

Find the average atomic mass for Li if 7.5% of Li atoms are ⁶Li and 92.5% are ⁷Li

Which subatomic particle has a negative charge?

Who created the Nuclear Model?

What is the atomic number for Aluminum (Al)

Which scientist was the first to conclude that atoms have positive charges in their nuclei