The first theory to relate chemical changes to events at the atomic level

Are the three subatomic particles of an atom:

His approach about the atomic structure was not based on the scientific method.

Is part of Dalton's hypotheses and theories to explain his observations of the atomic theory

Scientists use many methods to “see” inside an atom.

A negatively charged subatomic particle

A positively charged subatomic particle found in the nucleus of an atom

A subatomic particle with no charge.

The tiny, dense central portion of an atom, composed of protons and neutrons

English physicist who discovered the electron

English physicist who confirmed the existence of yet another subatomic particle: the neutron.

Elements are different because

Identifies an element.

H is the symbol for

The symbol for Carbon is

The atomic number of Oxygen is

Carbon has

The symbol for Neon is

The number of electrons (negatively charged particles) must equal the number of protons (positively charged particles).

The element nitrogen (N) has an atomic number of 7.

How many protons and electrons are in a neutral nitrogen atom?

If you know the atomic number and mass number of an atom of any element, you can determine the atom’s composition.

The atomic number is the subscript.

Are atoms that have the same number of protons but different numbers of neutrons.

This is the

Beryllium has

Nitrogen has

The mass number for Neon is 20 and atomic number 10

If Neon has 10 protons, 11 neutrons and 10 electrons it is a(n)

Atoms of the same element are not identical