Chem Final Review 2 - Lessons 10-11

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

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

• alkali metals

• alkaline earth metals

• halogens

• noble gases

Which is an alkali metal?

• Magnesium

• Iron

• Sodium

• Europium

Which is a halogen?

• Helium

• Chlorine

• Oxygen

• Neptune

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

• period

• group

• row

Which of the following are physical properties of metal?

• Luster

• Conductivity

• Malleability

• Ductility

What does the 6 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

What does 12.011 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

What is the positively charged subatomic particle contained in the nucleus of an atom?

• proton

• neutron

• electron

• matter