The Real Periodic Table

Front

In terms of electron configuration, group 1 & 2 on the periodic table represent the __ orbitals.

Back

s

Front

Ionization energy increases moving from left to right across the periodic table because __.

Back

effective nuclear charge increases

Front

Ionization energy is __.

Back

the energy needed to remove an electron from an atom

Front

Electron affinity is zero for __.

Back

Ne

Front

All elements in group 2 have __ valence electrons.

Back

2

Front

What is the definition of ionization energy?

Back

The energy required to remove an electron from an atom.

Front

What trend is observed in ionization energy as you move down a group in the periodic table?

Back

Ionization energy decreases.

Front

What is the electron configuration for the element in group 1, period 3?

Back

1s² 2s² 2p⁶ 3s¹ (Sodium)

Front

What is the significance of effective nuclear charge in relation to ionization energy?

Back

It increases the attraction between the nucleus and the valence electrons, making it harder to remove an electron.

Front

Which group of elements is known as the noble gases?

Back

Group 18 (He, Ne, Ar, Kr, Xe, Rn)