Periodic Trends

Front

What is the definition of electronegativity?

Back

Electronegativity is how good an atom is at attracting electrons.

Front

What happens to atomic radius as you move down a group in the periodic table?

Back

Atomic radius generally increases as you move down a group.

Front

What happens to atomic radius as you move from left to right across a period?

Back

Atomic radius generally decreases as you move from left to right across a period.

Front

What is the trend of electronegativity as you move across a period?

Back

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

Front

What is the trend of electronegativity as you move down a group?

Back

Electronegativity generally decreases as you move down a group.

Front

What is the atomic radius of Rn compared to other noble gases?

Back

Rn has the largest atomic radius in Group 18.

Front

What is the relationship between the number of protons and atomic size across a period?

Back

As you move across a period, the number of protons increases, causing atoms to get smaller.

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

How many valence electrons does Calcium have?

Back

Calcium has 2 valence electrons.

Front

What is the general trend of metallic character in the periodic table?

Back

Metallic character increases as you move down a group and decreases as you move from left to right across a period.