Periodic Table

Front

What is the element Sulfur (S) most like on the periodic table?

Back

Oxygen (O)

Front

How many groups or families are on the periodic table?

Back

18

Front

What is a row (left to right) in the periodic table called?

Back

Period

Front

What is the atomic mass of Potassium (K)?

Back

39.0983

Front

How many neutrons does Helium (He) have?

Back

2

Tags

NGSS.MS-PS1-1

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What are the vertical columns in the periodic table called?

Back

Groups or Families.

Front

What is the significance of the periodic table's arrangement?

Back

Elements are arranged by increasing atomic number and similar chemical properties.

Front

What is the most reactive group of elements in the periodic table?

Back

Alkali metals (Group 1).

Front

What is the difference between metals and nonmetals on the periodic table?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are dull, insulative, and brittle.