Chapter 1 HW (Exam 1)

How many bromide ions can combine with one ion of aluminum to form an ionic compound?

3 because the positive and negative charges must balance evenly

Which one of the following compounds is considered to be an ionic compound?

LiF

Mixtures

are separable by physical means and will have different substances in the same box

A substance that can be broken down into two or more simpler substances by chemical methods is called a(n)

compound

A recent set of advertisements has a picture of an aluminum can with an aluminum-frame bicycle, along with a hypothetical quote from the can that reads: "I want to be a bike. Recycle me." The analysis of the life cycle of an item starting with its raw materials and ending with the used item becoming the raw material for new products is called

cradle-to-cradle

What type of material is defined as having a well-ordered atomic structure?

crystalline

What term is defined as the flow of electrons from one location to another?

electricity

What are the three pillars of sustainability?

environmental, social, economic

On a Periodic Table, the columns of elements with similar properties are

groups

The most numerous of the elements are the

metals

Atomic Number

number of protons and also defines who the element is

The atomic number is the

number of protons in the nucleus

Neutral Atom

protons must equal electrons for a neutral atom

Mass

protons plus neutrons

What distinguishes the atoms of one element from another?

the number of protons

In the periodic table, which elements typically have similar properties?

those in the same columns (groups)

Elements

will only have 1 type of atom in the box