Chemical Bonds

Bonds/Compounds 101

100

True or False? Compounds have similar properties from the elements that make them.

False (Think H2O is water but both hydrogen and oxygen are gases)

200

What is the term that is referred to as "Glue" because it holds atoms of elements together?

Bonds

300

How do Ions form?

When atoms gain or lose electrons (IONIC COMPOUND)

400

If an atom gains an electron, what type of charge does it have?

Negative

500

What is the attraction of forces with ions? (Which charges are attracted to which charges)

Positive and negative charges are attracted to one another (Opposite attract)

Properties of a Bond/Compound

100

Are Ionic compound stable or unstable?

Stable

200

These types of compounds tend to have a crystal like structure

Ionic

300

Properties of a compound depend on the ___________ of atoms in the compound along with the arrangement of atoms.

Amount

400

This type of compound has a low melting and boiling point.

Covalent

500

Na which is a metallic solid and Cl which is a poisonous gas, form a compound that creates what?

Table Salt

Reading Ratios

100

A given ______________ always contains atoms of elements in a specific ratio.

Compound

200

___________ _____________uses the chemical symbols to represent the atoms of the elements and their ratios in the chemical compound.

Chemical Formula

300

If no subscript is present, what number must we assume is there for our ratios?

1

400

What is the ratio for ammonia if the compound is as follows:

NH₃

1:3

1 Nitrogen to 3 Hydrogen

500

What is the ratio for the given compound below?

CO₂

1:2

1 carbon for 2 Oxygen

Covalent vs Ionic

100

This type of bond is when 2 non-metals form a compound

Covalent Bond

200

This type of bond is through sharing electrons that can slide and move around freely within the compound.

Metallic

300

How many covalent bonds can an element in group 15 form?

3

400

Is the following compound covalent or Ionic?

NBr₄

Covalent

500

Is the following compound Covalent or Ionic?

CuCl₂ (Keep in mind "l" is a lowercase "L")

Ionic

Random

100

True or False? A bond is what forms compounds.

True

200

How many valence electrons are in a element that is in group 17?

7

300

What group is the biggest/has the most elements when it comes metals, non-metals, and metalloids?

Metals

400

Come up to the board and draw a Lewis Dot structure for (O) Oxygen (Group 16)

Answer will vary

500

The Ionic compound NaCl consists of Sodium and Chlorine. How would we name this Ionic Compound based on our 3 step process?

Sodium Chloride