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WorksheetsChemical Basis of Life
Total questions: 10
Worksheet time: 5mins
A substance that cannot be further broken down into other substances
Element
Compound
Molecule
Plasma
The attractive force that holds two atoms of a compound together.
Chemical Bonds
Magnetism
Gravity
Weak Force
What bond results from two atoms gaining/losing electrons?
Ionic Bond
Covalent Bond
Hydrogen Bond
Van der Waals Interactions
The bond that results from the sharing of a pair of electrons by two atoms.
Hydrogen Bonds
Ionic Bond
Van der Waals Interactions
Covalent Bond
What is the strongest chemical bond?
Van der Waals Interactions
Covalent Bond
Ionic Bond
Hydrogen Bond
Which of these is an example of an inorganic compound?
Carbohydrates
Lipids
Water
Nucleic Acids
Which of these emergent properties of water is responsible for water transport in plants?
Expansion upon Freezing
Ability to Moderate Temperature
Versatility as a Solvent
Cohesion and Adhesion
A compound that dissociates in water into hydrogen ions and negatively charged ions.
Base
Acid
Buffer
Organic Compounds
A substance that minimizes changes in the concentration of H+ and OH- in a solution.
Inorganic Compounds
Buffers
Organic Compounds
Bases
A measure of the relative concentrations of H+ and OH- ions. It determines the acidity and alkalinity of substances.
Bases
pH scale
Acids
Buffers
