Investigation 3: Periodic Table

What does the Periodic Table organize elements based on?

• Color and size

• Atomic structure and properties

• Weight and volume

• Temperature and pressure

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a purpose of the Periodic Table?

• To display the chemical changes throughout history

• To predict characteristics of known and unknown elements

• To list all known chemical reactions

• To show the evolution of scientific thought

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is NOT a recent addition to the Periodic Table?

• • Tennessine (Ts, 117)

• • Moscovium (Mc, 115)

• • Oganesson (Og, 118)

• These are all recent additions to the periodic table.

Which property is NOT associated with metals?

• Solid at room temperature

• Conduct electricity

• Generally do not conduct electricity

• Malleable

Which element is a transition metal?

• Argon (Ar)

• Vanadium (V)

• Fluorine (F)

• Helium (He)

Tags

NGSS.HS-PS1-1

Which of the following is NOT a characteristic of elements in the same group?

• Similar chemical properties

• Same number of valence electrons

• Different outer shell electron configuration

• May have different numbers of electron shells

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What do elements in the same group share in terms of chemical properties?

• They have different chemical properties

• They have similar chemical properties

• They have no chemical properties

• They have opposite chemical properties

Which of the following elements is likely to have similar chemical properties to At (Astatine)?

• Helium (He)

• Copper (Cu)

• Zinc (Zn)

• Fluorine (F)

Tags

NGSS.HS-PS1-1

Elements in the same group may have different numbers of what?

• Protons

• Neutrons

• Electron shells

• Valence electrons

Tags

NGSS.HS-PS1-2

What is not considered a periodic trend?

• Ionization energy

• Number of elements in a group

• Electron affinity

• Electronegativity