Periodic Trends Practice

Front

What is electronegativity?

Back

Electronegativity is how good an atom is at attracting electrons.

Front

Which element is a metalloid?

Back

Arsenic (As) is a metalloid.

Front

Which element has the lowest electronegativity in Period 3?

Back

Sodium (Na) has the lowest electronegativity in Period 3.

Front

What characterizes noble gases?

Back

Noble gases are characterized by having a full valence shell of electrons.

Front

Order the following elements by increasing ionization energy: Tungsten, Ruthenium, Cobalt.

Back

The order is Tungsten, Ruthenium, Cobalt.

Front

What is ionization energy?

Back

Ionization energy is the energy required to remove an electron from an atom.

Front

What trend is observed in electronegativity across a period?

Back

Electronegativity increases across a period from left to right.

Front

What trend is observed in electronegativity down a group?

Back

Electronegativity decreases down a group.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals.

Front

What is the significance of a full valence shell?

Back

A full valence shell indicates stability and low reactivity in elements.