Properties of Water & pH Review

Front

What is a polar molecule?

Back

A molecule that has an opposite electrical charge on each end, resulting in a positive and a negative pole.

Front

Is laundry detergent an acid or a base?

Back

Laundry detergent is a base.

Front

What property causes water to bead up on the surface of a penny?

Back

High Surface Tension.

Front

What is capillary action?

Back

The ability of water to move through narrow spaces, pulling water molecules like a chain, which helps water move from roots to leaves in plants.

Front

What is an acid?

Back

A substance with a pH less than 7.

Front

What is the pH scale?

Back

A scale that measures how acidic or basic a substance is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.

Front

What is cohesion in water?

Back

The property of water that allows water molecules to stick to each other, contributing to surface tension.

Front

What is adhesion in water?

Back

The property of water that allows it to stick to other substances, which helps in processes like capillary action.

Front

What is a base?

Back

A substance with a pH greater than 7.

Front

What is a hydrogen bond?

Back

A weak bond formed between a hydrogen atom and an electronegative atom, important in the properties of water.