CHEM Units 2 & 4

Identify the chemical symbol for Gold.

Which of the following are valid chemical symbols? Select all that apply.

All negatively charged ions are called anions

Na2O consists of __________.

John Dalton was the first person to show strong evidence for the existence of atoms

What is the atomic symbol for an atom with 50 protons, 69 neutrons, and 50 electrons?

The Lewis symbol for chlorine will have how many electrons?

What is the name for the binary compound: PCl3?

According to Dalton, atoms are all:

Which of the following elements will NOT form a covalent bond between one another?

All of the following are chemical properties EXCEPT:

A(n) ________ change occurs as a result of a chemical reaction.

IF7 is called

Identify the chemical symbol for Titanium.

How many bonds would carbon need to form to obtain an octet?

Which of the following is a molecular compound?

What counts as an electron domain?

Compounds formed by a transfer of electrons are _____ compounds.

Which of the following is an example of a heterogenous mixture?

If an atom has a full octet, it will have:

An atom of an element can be split into smaller components by what kind of process?

The chemical symbol for Tin is Sn

When a pure substance undergoes a change from a solid state to a gaseous state, this is an example of a(n):

Identify the chemical symbol for Lead.

A molecule with four electron domains will exhibit which geometry according to VSEPR theory?

The Lewis symbol for phosphorus will have the same number of electrons as the Lewis symbol for:

Atoms of the same element can have different:

Identify the chemical symbol for Mercury.

Which of the following is an example of a physical property?

VSEPR theory considers which of the following?

The Chemical Symbol for the Element Aluminum is Al

Why do ionic compounds not conduct electricity in their crystalline form?

In solid form, an ionic compound is electrically conductive.

Identify the chemical symbol for Silver.

Neutral nonmetal atoms typically gain electrons, thus becoming __________.