Periodic Table Basics

Front

As you move from left to right on the periodic table, elements become:

Back

Less Metallic

Front

What game inspired Dmitri Mendeleev?

Back

Solitaire

Front

As you move left to right on a row or period, what happens?

Back

Atomic number increases by 1

Front

Calcium has how many valence electrons?

Back

2

Front

Which metal is more reactive? K or Na

Back

K

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements, organized by atomic number, electron configuration, and recurring chemical properties.

Front

What does the atomic number represent?

Back

The number of protons in the nucleus of an atom.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What trend is observed in atomic size across a period?

Back

Atomic size decreases from left to right across a period.

Front

What is the significance of groups in the periodic table?

Back

Elements in the same group have similar chemical properties and the same number of valence electrons.