Front

What is the Rutherford Model of the atom?

Back

The Rutherford Model was the first to show a nucleus, consisting of protons and neutrons, with electrons surrounding the nucleus but not in distinct energy levels.

Front

How many d orbitals are present in a given sublevel?

Back

There are 5 d orbitals in a given sublevel.

Front

Which element is represented by the symbol 'Ne'?

Back

The element represented by the symbol 'Ne' is Neon.

Front

What is the Quantum Mechanical Model of the atom?

Back

The Quantum Mechanical Model is the most complete and current model of the atom, consisting of 61 elementary particles, with electrons located in complex orbitals.

Front

Order the following atomic models from earliest to latest: A) Rutherford B) Thomson C) Dalton

Back

The correct order is C, B, A (Dalton, Thomson, Rutherford).

Front

What is the Plum Pudding Model of the atom?

Back

The Plum Pudding Model proposed that atoms are made of a positively charged 'soup' with negatively charged electrons scattered throughout.

Front

What are orbitals in atomic structure?

Back

Orbitals are regions in an atom where there is a high probability of finding electrons.

Front

What is the significance of the Bohr Model?

Back

The Bohr Model introduced the idea of quantized energy levels for electrons in an atom.

Front

Define the term 'element' in chemistry.

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the atomic number of an element?

Back

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