Periodic Trends

Front

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

Back

the atoms have more protons.

Front

Which of the following will have a lower ionization energy than Scandium (Sc)? Helium (He), Titanium (Ti), Calcium (Ca), Magnesium (Mg)

Back

Calcium (Ca)

Front

The element with the largest electronegativity in the halogens is -

Back

F

Front

What term is used to describe 'A measure of the size of an atom'?

Back

atomic radius

Front

The element with the lowest electronegativity in Period 3 is -

Back

Ar

Front

What is ionization energy?

Back

The energy required to remove an electron from an atom.

Front

Define electronegativity.

Back

A measure of the tendency of an atom to attract a bonding pair of electrons.

Front

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

Back

Atomic radius increases.

Front

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

Back

Ionization energy generally increases.

Front

Which element has the highest ionization energy in Period 2?

Back

He (Helium)