Periodic Table Trends

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

I am a metal

I am in group 2

I am in period 6

I am…

• Mo

• Re

• S

• Ba

Elements in a ..................have similar chemical properties.  

• period
• group
• row

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

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

I am a nonmetal

I am in period 2

I am in group 16/6A

• Ba

• Si

• Ba

• O

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

True or False: The reactivity of metals tends to decrease as you move from left to right across the periodic table.

• True

• False

Which of the following are physical properties of metal?

• Luster

• Conductivity

• Malleability

• Ductility