Chapter 2 Quiz - Chemical

The science of structure and interactions of matter

• Chemistry

• Physics

• Biology

• Alchemy

Anything that occupies space and has mass

• Weight

• Mass

• Density

• Matter

Amount of matter a substance contains

• Weight

• Composition

• Mass

• Matter

Force of gravity acting on a mass

• Weight

• Mass

• Matter

• Volume

Which of the following is NOT a main element in the body

• Oxygen

• Carbon

• Calcium

• Nitrogen

Found in many organic molecules and used in mitochondria to efficiently generate ATP

• Glucose

• Carbon

• Hydrogen

• Oxygen

Forms backbone chains and rings of all organic molecules

• Hydrogen

• Nitrogen

• Oxygen

• Carbon

Ionized form is the most plentiful cation in intracellular fluid and is necessary for action potential generation:

• Sodium

• Potassium

• Chlorine

• Calcium

Ionized form is the most plentiful cation in extracellular fluid; essential for maintaining water balance and action potential generation

• Calcium

• Phosphorus

• Sodium

• Potassium

Smallest units of matter that retain the properties and characteristics of their element