Atomic Model History and Math v2

Which scientist is credited with the discovery of the atom?

Oxygen - 15, what does the 15 mean?

Dalton postulated that atoms are perfectly elastic.

How can you determine the number of electrons in the outer shell when drawing the Bohr diagram?

What element is this the Bohr model of?

Which part of the atom has a positive charge?

Which part of the atom does not contribute (significantly) to the atoms mass?

Element Alphadon has 8 protons and 10 neutrons and 9 electrons, which statement is most accurate?

Select the best matching set

How many atoms in a water molecule?

Which scientist is credited with the discovery of the electron?

Which scientist is credited with the discovery of the nucleus with a positive charge?

Which greek philosopher pondered the smallest small? Determined that there had to be an atomos.

What does the atomic number of an element directly relate to?

What element is this the Bohr model of?

the oil drop experiment found...

How can you determine the number of electrons in each of the element's atoms?

Which scientist is credited with the discovery of the neutron?

How many elements in a water molecule?

What is different between Cl-34 and Cl-35?

How many neutrons are there in a single atom of Fluorine?

What is the maximum number of electrons that the 1st shell can hold on the Bohr diagram?

What is the charge on an ion with 5 protons and 7 electrons?

How many protons are there in H-2?

Which scientist placed the nucleus at the center of the atom and electrons around in orbitals?

Which part of the atom has a negative charge?

Which part of the atom has a neutral charge?

How many protons are there in Oxygen?

The idea that atoms are indivisible is still concidered to be true.