Trends of the Periodic Table

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

• groups

• periods

• towers

• atomic numbers

The Modern Periodic Table of Elements is arranged by

• atomic mass

• valence electrons

• atomic number

• 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

• Sodium

• Iron

• Europium

Which is a halogen?

• Helium

• Oxygen

• Chlorine

• Neptune

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

• period

• group

• row

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

• Name

• Chemical Symbol

• Nickname

• Pseudonym

Which of the following are physical properties of metals? (Choose all that apply!)

• luster

• ductile

• malleability

• insulators

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

• True

• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Name this group: These metals are the most reactive.

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