Periodic Table Trends Exploration

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

• It fluctuates.

• It decreases.

• It remains the same.

• It increases.

Why does the atomic radius increase as you move down a group?

• The nuclear charge decreases.

• Electrons are lost.

• More energy shells are added.

• More protons are added.

Which element is the most electronegative?

• Fluorine

• Chlorine

• Oxygen

• Nitrogen

How does electronegativity change as you move down a group?

• It increases.

• It decreases.

• It remains the same.

• It fluctuates.

What is ionization energy?

• The energy released when an atom loses an electron.

• The energy required to add an electron to an atom.

• The energy required to remove an electron from an atom.

• The energy released when an atom gains an electron.

As you move across a period from left to right, what happens to the ionization energy?

• It increases.

• It decreases.

• It remains the same.

• It fluctuates.

Which element has the highest metallic character?

• Chlorine

• Oxygen

• Fluorine

• Francium

What is the tendency of non-metallic elements?

• To lose electrons

• To gain or accept electrons

• To remain neutral

• To form cations

What is an anion?

• A neutral atom

• A positively charged ion

• An ion with equal protons and electrons

• A negatively charged ion

How does the size of a cation compare to its parent atom?

• It is smaller.

• It is the same size.

• It fluctuates.

• It is larger.