Chemistry 1 Chapter 1

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

• Groups

• Periods

• Atomic mass

• Atomic number

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

• noble gases

• halogens

• Transition metals

Which is an alkali metal?

• Sodium

• Iron

• Magnesium

• Argon

Which is a halogen

• Helium

• Potassium

• Carbon

• Bromine

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

• period

• group

• row

The letter, C, is a ... of carbon.

• Name

• Nickname

• Chemical Symbol

• Pseudonym

Which of the following are physical properties of metal?

• Luster

• Dull

• lose electrons

• brittle

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

• True

• false

Name this group: These metals are the most reactive.

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