Periodic Table, Lewis Dot Structures

Front

What is a Lewis Dot Structure?

Back

It only shows the element symbol and its outermost electron shell.

Front

How many electrons can go in the Second energy level?

Back

8

Front

What metal group on the periodic table is the most reactive?

Back

Group 1

Front

Noble gases are inert (non-reactive) because _____________________.

Back

they have eight electrons in their outermost energy level.

Front

Which element below is the most reactive? (F, Na, Ca, He)

Back

Na

Front

What is the maximum number of electrons in the first energy level?

Back

2

Front

What do the columns in the periodic table represent?

Back

Groups or families of elements with similar properties.

Front

What do the rows in the periodic table represent?

Back

Periods, indicating the number of electron shells.

Front

What is the significance of the atomic number?

Back

It represents the number of protons in an atom.

Front

What is a valence electron?

Back

An electron in the outermost shell of an atom.