Flashcard - Bohr-Rutherford & Lewis Dot Diagrams

Front

What is a Lewis Dot Diagram?

Back

A Lewis Dot Diagram is a representation of the valence electrons of an atom, depicted as dots around the element's symbol.

Front

How many valence electrons does Magnesium (Mg) have?

Back

Magnesium has 2 valence electrons.

Front

What is the atomic number of Nitrogen (N)?

Back

The atomic number of Nitrogen is 7.

Front

How many valence electrons does Nitrogen (N) have?

Back

Nitrogen has 5 valence electrons.

Front

What is the atomic number of Potassium (K)?

Back

The atomic number of Potassium is 19.

Front

How many protons does an atom of Potassium (K) have?

Back

An atom of Potassium has 19 protons.

Front

What is the atomic number of Neon (Ne)?

Back

The atomic number of Neon is 10.

Front

How many valence electrons does Neon (Ne) have?

Back

Neon has 8 valence electrons.

Front

What is the formula to calculate the number of neutrons in an atom?

Back

Number of Neutrons = Atomic Mass - Atomic Number.

Front

If an element has an atomic number of 23 and an atomic mass of 50.89, how many neutrons does it have?

Back

It has 28 neutrons.