Module 2: The Chemical Foundation of Life

What is the material that all living things are made of?

Matter

Which term refers to substances listed on the Periodic Table?

Element

The smallest "piece" of an element that still has its properties is an:

Atom

Which subatomic particle has a positive charge?

Proton

Which subatomic particle has a negative charge?

Electron

Which subatomic particle has no charge?

Neutron

The center of an atom is called the:

Nucleus

The nucleus contains:

Protons and neutrons

Electrons are found:

In shells around the nucleus

The circular paths around the nucleus are called:

Shells

Which statement correctly describes the relationship between atoms and elements?

Elements are made of atoms

Which of the following correctly lists the particles from largest to smallest?

Matter → Element → Atom → Proton → Neutron → Electron

Which subatomic particle is found in the nucleus and has a positive charge?

Proton

Which subatomic particle is found in the nucleus and has no charge?

Neutron

Which subatomic particle is found in shells and has a negative charge?

Electron

Which two subatomic particles are involved in determining an element's isotopes?

Protons and neutrons

Which subatomic particle is most directly involved in chemical bonding?

Electron

Elements are organized on the Periodic Table based on their:

Atomic number

The number of protons in an element is represented by its:

Atomic number

The number of protons and neutrons in an element is represented by its:

Atomic mass

In the periodic table, the number 7 for Nitrogen represents its:

Atomic number

In the periodic table, the number 14.007 represents its:

Atomic mass

The letter N stands for:

Symbol

The word Nitrogen stands for:

Name

Which element has an atomic number of 19?

Potassium

Which element has an atomic mass of 63.546?

Copper

How many protons does Nitrogen (N) have?

7

How many protons does Potassium (K) have?

19

How many protons does Copper (Cu) have?

29

How many neutrons does Nitrogen (N) have?

7

How many neutrons does Potassium (K) have?

20

How many neutrons does Copper (Cu) have?

35

How many electrons does Nitrogen (N) have?

7

How many electrons does Potassium (K) have?

19

How many electrons does Copper (Cu) have?

29

When an atom has a different number of neutrons it becomes an:

Isotope

What is the charge of a neutron?

0

When the number of neutrons changes, the atom's overall charge:

Does not change

When an atom loses an electron it becomes a:

Cation

What is the charge of an electron?

−1

When an atom loses an electron, its overall charge:

Becomes positive

When an atom gains an electron, it becomes an:

Anion

When an atom gains an electron, its overall charge:

Becomes negative