Periodic Trends

What characteristic of the element is indicated by the arrow?

• element name

• element number

• atomic mass

• element symbol

What characteristic of the element is indicated by the arrow?

• element name

• element number

• atomic mass

• element symbol

What characteristic of the element is indicated by the arrow?

• element name

• element number

• atomic mass

• element symbol

The element number of an element represents what characteristic about the element's structure?

• number of neutrons

• number of protons

• number of valence electrons

• number of energy levels

A horizontal row on the periodic table is called?

• a period

• a family

• a group

• a series

A vertical column on the periodic table is called?

• a period

• a stack

• a group

• a series

What do all elements in the same period on the periodic table have in common?

• same number of total electrons

• same number of electron shells

• same number of valence electrons

• same number of protons

What do all elements in the same group on the periodic table have in common?

• same number of total electrons

• same number of electron shells

• same number of valence electrons

• same number of protons

What is a "valence electron"?

• electrons that are found on the innermost energy level

• electrons located on the outermost energy level

• the total number of electrons on all energy levels

• the total number of electrons in the atom

What does the term "energy level" or "atomic orbital" refer to?

• the rings around the nucleus of an atom where the electrons are arranged

• the center of the atom where protons and neutrons are located

• the rings around the nucleus of an atom where the protons & neutrons are located

• the center of the nucleus where the electrons are contained