Unit 2/3 Test Electrons & Periodic Table

Front

What does the period number on the periodic table indicate?

Back

The highest energy level of electrons in the elements.

Front

Which element is represented by the symbol 'Ne'?

Back

Neon.

Front

What is the Lewis dot diagram for Sulfur (S)?

Back

The Lewis dot diagram for Sulfur shows 6 dots around the symbol 'S', representing its 6 valence electrons.

Front

Which element has the highest electronegativity?

Back

Fluorine (F) has the highest electronegativity.

Front

How many valence electrons does Magnesium (Mg) have?

Back

Magnesium has 2 valence electrons.

Front

What is the atomic number of Fluorine (F)?

Back

The atomic number of Fluorine is 9.

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an element reacts chemically.

Front

What is the general trend of electronegativity in the periodic table?

Back

Electronegativity increases from left to right across a period and decreases down a group.

Front

What is the electron configuration of Argon (Ar)?

Back

The electron configuration of Argon is 1s² 2s² 2p⁶ 3s² 3p⁶.

Front

What is a Lewis dot diagram?

Back

A Lewis dot diagram is a representation of the valence electrons of an atom.