Pre-AP/IB Periodic Trends Practice

Front

What is the period 3 element with the lowest first ionization energy?

Back

Sodium (Na) has the lowest first ionization energy in period 3.

Front

Atomic radius is ______.

Back

The distance from the center of the nucleus to the outermost electron.

Front

Which atom has the largest atomic radius?

Back

Cesium (Cs) has the largest atomic radius among the given options.

Front

Sodium has an atomic number of 11, how many protons does this atom have?

Back

Sodium has 11 protons.

Front

The noble gas with the largest radius is ______.

Back

Radon (Rn) is the noble gas with the largest radius.

Front

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

Back

Atomic radius increases as you move down a group due to the addition of electron shells.

Front

What trend is observed in ionization energy as you move across a period from left to right?

Back

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

Front

Define electronegativity.

Back

Electronegativity is the ability of an atom to attract electrons in a chemical bond.

Front

Which element has the highest electronegativity?

Back

Fluorine (F) has the highest electronegativity.

Front

What is the relationship between atomic size and ionization energy?

Back

As atomic size increases, ionization energy generally decreases.