which trends are increasing as indicated by the arrows? trends: electronegativity atomic radius (size)…

Explanation:

Step1: Recall periodic trends

Electronegativity increases across a period (left - to - right) and up a group (bottom - to - top).

Step2: Analyze atomic radius

Atomic radius decreases across a period (left - to - right) and increases down a group (top - to - bottom).

Step3: Consider ionization energy

Ionization energy increases across a period (left - to - right) and up a group (bottom - to - top).

Step4: Match with arrows

The right - pointing arrow represents across a period and the up - pointing arrow represents up a group. Electronegativity and ionization energy increase in these directions.

Answer:

Electronegativity, Ionization Energy