Bellwork 1: 2nd Six Weeks

A ___________ is an arrangement of elements in columns

• columns
• rows
• periodic table
• electron shell

Tags

NGSS.HS-PS1-1

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• both protons and neutrons

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

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

Tags

NGSS.HS-PS1-1

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

Tags

NGSS.HS-PS1-1

Which element is not a metal?

• Li

• Re

• Al

• B

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Tags

NGSS.HS-PS1-1

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

Tags

NGSS.HS-PS1-1

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

Tags

NGSS.HS-PS1-1

A horizontal row of elements in the periodic table.

• column
• group
• period