12-18-24 Periodic Trends Practice (1st PD)

Front

What is the energy required to remove an electron from a gaseous atom called?

Back

Ionization energy.

Front

Which element has a greater ionization energy: Aluminum (Al) or Chlorine (Cl)?

Back

Chlorine (Cl) has a greater ionization energy.

Front

What are groups 3 - 12 on the periodic table known as?

Back

Transition metals.

Front

Which atom has the smallest atomic size: Cs, Na, or Fr?

Back

Na has the smallest atomic size.

Front

Which of the following is a halogen: Iron, Nitrogen, Iodine, or Neon?

Back

Iodine is a halogen.

Front

Define ionization energy.

Back

The energy required to remove an electron from an atom or ion.

Front

What trend is observed in ionization energy across a period in the periodic table?

Back

Ionization energy generally increases across a period from left to right.

Front

What trend is observed in atomic size down a group in the periodic table?

Back

Atomic size generally increases down a group.

Front

What are the noble gases?

Back

Group 18 elements in the periodic table, known for their lack of reactivity.

Front

What is the general trend of electronegativity across a period?

Back

Electronegativity generally increases across a period from left to right.