Biology: Chemistry of life

Front

Which subatomic particle has a positive charge?

Back

Proton

Front

What are atoms of the same element that have different numbers of neutrons?

Back

Isotopes

Front

What measurement system is used for measuring acids and bases?

Back

pH scale

Front

What is the pH of human blood?

Back

7.4

Front

What type of bond is formed when electrons from one atom are transferred to another atom?

Back

Ionic bond

Front

What is the smallest unit of an element that retains the properties of that element?

Back

Atom

Front

What is a substance made of two or more different elements that are chemically bonded?

Back

Compound

Front

What type of bond involves the sharing of electron pairs between atoms?

Back

Covalent bond

Front

What is the term for a charged atom or molecule?

Back

Ion

Front

What is the measure of how acidic or basic a solution is?

Back

pH