Intro to Atoms and Atomic Theory

Front

What is the positively charged part of an atom?

Back

Protons are the positively charged particles found in the nucleus of an atom.

Front

Who is responsible for the Bohr Model of the atom?

Back

Niels Bohr is the scientist known for developing the Bohr Model.

Front

What does the term 'atomos' mean in Greek?

Back

'Atomos' means uncut or indivisible, referring to the smallest particles.

Front

What does the Electron Cloud Model represent?

Back

The Electron Cloud Model is a mathematical representation of the possible locations of electrons around the nucleus.

Front

What is the atomic mass of an atom?

Back

The atomic mass is the total number of protons plus neutrons in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom, contributing to its mass.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element.

Front

What is the role of electrons in an atom?

Back

Electrons are negatively charged particles that orbit the nucleus and are involved in chemical bonding.

Front

What did John Dalton contribute to atomic theory?

Back

John Dalton proposed that all matter is made of atoms, which are indivisible and indestructible.

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.