Tonder Bohr Model/Periodic Table FLASHCARD

Front

What is the order of elements in the modern periodic table based on?

Back

Atomic number.

Front

What is the atomic number of an atom with 2 protons?

Back

2

Front

What does the atomic number of an element represent?

Back

The number of protons in the nucleus of an atom.

Front

Is this a correct dot diagram for fluorine (F)?

Back

True.

Front

What are the elements in group 18 of the periodic table called?

Back

Noble gases.

Front

What is the atomic mass of an element?

Back

The weighted average mass of an element's isotopes.

Front

What are alkali metals?

Back

Elements in group 1 of the periodic table, highly reactive.

Front

What are halogens?

Back

Elements in group 17 of the periodic table, known for their reactivity.

Front

What is a valence electron?

Back

An electron in the outermost shell of an atom.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their properties and atomic structure.