Periodic table Quiz

a row on the Periodic Table of Elements

• family

• period

• row

• isotope

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

a grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a group

• family

• period

• row

• isotope

Which of the following metals is most reactive?

• Sodium (Na)
• calcium (Ca)
• titanium (Ti)
• All metals have the same reactivity

Elements in a family or group in the periodic table often share similar properties because...

• they look alike.
• they are found in the same place on Earth.
• they have the same physical state
• their atoms have the same number of electrons in their outer energy level

Tags

NGSS.HS-PS1-1

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases

Which element is not a metal?

• H
• Re
• Al
• Ba

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Sulfur

What does the #2 represent in the box?

• Atomic Number

• Atomic Mass

• Isotope Number

Which of the following are properties of alkali metals

• brittle (hard), very reactive

• shiny, soft, reactive

• unreactive, not shiny

• somewhat shiny, brittle (hard)

The ______ tells you how many valence electrons an atom has.

• group number

• period number

Tags

NGSS.HS-PS1-1