Which scientist was the first person responsible for proposing the discovery of the electron?

Which scientist was the first person responsible for proposing the discovery of the nucleus?

Which scientist claimed that the atom was a small, dense, solid sphere?

Which scientist's model is referred to as the Plum Pudding Model?

Which scientist's model is referred to as the Planetary model with levels of electrons, where the highest energy is furthest away from the nucleus?

Which scientist proposed the idea that the electrons orbited the nucleus on fixed energy levels and if the electrons fall further they give off higher frequencies of light?

Which scientist proposed that the atom was indivisible using the word "atomos"?

This model of the atom is the most up to date and shows the probable orbital of where the electrons particle are most likely to exist. Schrodinger realized that electrons/photons cause light and also behave like a wave. This shows the __________ model

Which scientist claimed that compounds consist of atoms in a fixed ratio?

Which scientist performed the Cathode Ray Experiment?

Which scientist performed the Gold Foil Experiment??

Showed the atom was mostly empty space, and that the nucleus was small, dense, and positively charged.

The area of probability of finding an electron.

Who named the positive center of the atom the "nucleus?"

Which scientist discovered that the atom has parts - which means it can be divided?

In the atomic model nicknamed the "plum pudding" model, what do the plums represent?

The mass of a proton is equal to

If a proton is added or removed from an atom, what happens?

What does the Atomic Number tell us?

What does the Atomic Mass tell us?

Atoms consist of parts called protons, neutrons, and___________________.

Each proton has a ______________ electrical charge.

Each proton has a ______________ electrical charge.

Each neutron has a _________________ charge.

What was the key finding of Rutherford's gold foil experiment?

A certain atom has 12 protons, 10 electrons, and 13 neutrons. It is a __________ atom.

An atom has 40 protons, 52 neutrons, and 40 electrons. Its isotope name is __________

Which one of these is Dalton's Model?

Did experiments to show that atoms form compounds in whole number ratios.

This model represents a

What element is this?

What type of charge does a proton have?

What is the center of the atom called?

What two sub-atomic particles belong in the nucleus of an atom?

How do you find the atomic number?

What is the mass number of this Carbon atom?

The mass number of an atom =

Which number here is the atomic number?

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?

What does the 1.00794 stand for?

What is the number of neutron in the average Fluorine atom?