Unit 4/Periodic Table Trends Review

The periodic table is arranged by ______

• Atomic Mass

• Number of Electrons

• Atomic Number

• Atomic Weight

The period number of an element corresponds to...

• The number of electrons

• The number of valence electrons

• The number of energy levels

• The number of protons

The term valence electron refers to…

• The total number of electrons in an atom

• The electrons in the first energy level

• The electrons in the outermost energy level

• Electrons that are found in the nucleus

The group number of an element corresponds to...

• The number of electrons

• The number of valence electrons

• The number of energy levels

• The number of protons

Elements in Group 6 of the periodic table would have how many valence electrons?

• 2

• 6

• 8

• Unable to tell from the given information

Elements located in groups 7 & 8 tend to be classified as ________________

• Non-Metals

• Metalloids

• Metals

• Noble Gases

Which element is located in Group 3, Period 2?

• Magnesium

• Lithium

• Helium

• Boron

The electronegativity of an element is defined as…

• The ability of an atom to gain or attract additional electrons.

• The energy required to remove an electron from an atom.

• The ability of an element to chemically react with other elements or compounds.

• The size of an atom of a particular element.

Tags

NGSS.HS-PS1-2

In a Bohr diagram, the number of energy levels (represented by circles), corresponds to an element’s ______________

• Atomic Number

• Group/Family Number

• Mass Number

• Period Number

Which element will have the smallest ionization energy?

• Ne

• Li

• Cs

• Rn

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2