Periodic Trends

Front

What happens to the metallic character of elements as you move across the periodic table from left to right?

Back

The metallic character of elements decreases.

Front

Define electronegativity.

Back

Electronegativity is the ability of an atom to accept or attract electrons.

Front

Which element has the largest atomic radius in Group 18?

Back

Radon (Rn) has the largest atomic radius in Group 18.

Front

What do metals have the largest of?

Back

Metals have the largest atomic radius.

Front

Identify an element with similar chemical properties to oxygen and selenium, with an atomic number greater than krypton but less than iodine.

Back

Tellurium (Te) is the element that fits this description.

Front

What is the trend in atomic radius as you move down a group in the periodic table?

Back

The atomic radius increases as you move down a group.

Front

What is ionization energy?

Back

Ionization energy is the energy required to remove an electron from an atom in a gaseous or ion state.

Front

How does electronegativity change as you move across a period from left to right?

Back

Electronegativity generally increases as you move across a period from left to right.

Front

What is the relationship between atomic radius and ionization energy?

Back

As atomic radius increases, ionization energy generally decreases.

Front

Which group of elements is known for having high electronegativity?

Back

Group 17 (Halogens) is known for having high electronegativity.