Bio 101 Chapter 2 Quiz

The atom hydrogen has an atomic number of 1 and an atomic mass of 1. How many neutrons are in its nucleus?

A(n) ________ can best be defined as a charged atom

True or False: An atom is inert when its valence shell is full

Which of the following best describes water molecules?

A neutral atom of Fluorine has an atomic number of 9 & atomic mass of 19. How many electron shells does this atom have?

Electrons have a _____ charge and are found in the _____.

Which bond is most easily broken?

Hydrogen has an atomic number of 1. How many more electrons does it need to fill its valence shell?

The word "inert" means ____

Atoms of the same element with different numbers of neutrons and different mass numbers are known as ______

Which of the following is a compound?

A base is best defined as _____

Protons have a _____ charge and are found in the _____.

Which property of water causes it to freeze from the top down?

Hydrophilic means ____. An example is ____.

When electrons are shared equally, a ________ bond is formed

An atom of Oxygen has no charge, atomic number of 8 & atomic mass of 15. How many p⁺, n⁰, and e^- does it have?

Neutrons have a _____ charge and are found in the _____.

The unifying principle of Biology is the theory of ______

The ____ is the most basic unit of matter.