Periodic Table & Trends

Front

As you move across the periodic table, atoms tend to get smaller because ______________.

Back

the atoms have more protons.

Front

Elements in the same column of the periodic table always have the same # of _______ as one another.

Back

Valence Electrons

Front

Elements in a ..................have similar chemical properties.

Back

group

Front

Which has the greater Electronegativity: N or C?

Back

N

Front

How many valence electrons are in an atom of K?

Back

1

Front

What is the periodic law?

Back

The properties of elements are periodic functions of their atomic numbers.

Front

Define electronegativity.

Back

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

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.

Front

What is the significance of valence electrons?

Back

Valence electrons determine an element's chemical properties and reactivity.

Front

What is a group in the periodic table?

Back

A group is a vertical column in the periodic table where elements have similar properties.