Periodic Trends

Front

Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.

Back

increases, decreases

Front

A column in the periodic table is called a ______.

Back

group

Front

What property did Mendeleev use to arrange the elements?

Back

atomic mass

Front

Which statement is true? Cations are negatively charged ions. Anions are positively charged ions. Cations are positively charged electrons. Anions are negatively charged ions.

Back

Anions are negatively charged ions.

Front

A vertical column in the periodic table is called...

Back

group

Front

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

Back

increases

Front

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

Back

increases

Front

What is the definition of a cation?

Back

A positively charged ion formed by the loss of one or more electrons.

Front

What is the definition of an anion?

Back

A negatively charged ion formed by the gain of one or more electrons.

Front

What is the significance of the periodic law?

Back

It states that the properties of elements are a periodic function of their atomic numbers.