Periodic Table Review

Front

What is the symbol for Oxygen?

Back

O

Front

What does the word 'periodic' mean?

Back

repeating

Front

Which group in the periodic table is least reactive with water and oxygen?

Back

Transition Metals

Front

How many electron shells does Potassium (K) have?

Back

4

Front

What is the term for elements arranged in vertical columns in the periodic table?

Back

Groups

Front

What is the atomic number of Oxygen?

Back

8

Front

What are the first two elements in the periodic table?

Back

Hydrogen (H) and Helium (He)

Front

What is the main characteristic of Alkali Metals?

Back

They have one valence electron and are highly reactive.

Front

What is the difference between a period and a group in the periodic table?

Back

Periods are horizontal rows, while groups are vertical columns.

Front

Which element has the highest atomic number in the first 20 elements?

Back

Calcium (Ca) with atomic number 20.