Midterm Review

Which is an example of a molecular formula of something that cannot be represented by a single Lewis structure?

Every pure chemical compound consists of 2 or more elements that are...

The elements from group 3 to group 12 are known as the...

The group number for the halogens is..

Two quantities are directly proportional. If one goes up by 10%, what will the other do?

What does the atomic radius do when you increase the atomic number within a group?

The first part of a binary ionic compound starts with a...

The empirical formula may not represent the acualt composition of a..

An electron occupies the lowest energy orbital that can recieve it. This is known as...

Mosley organized the Periodic Table in order of..

In the periodic table, Mendeleev didn't list elements in order of increasing atomic mass because he wanted to group them

The number of valence electrons for group 2 atoms is?

No two electrons in the same atom can have the same quantum number. This describes what?

Max Planck proposed that "hot" objects radiate energy in small pockets or amounts called

Lattice energy is an indicator of the ___ of an ionic bond

In order to draw a Lewis dot structure, you don't need to know the...

Which of the following describes a single electron of hydrogen circling the nucleus like a planet?

What does this formula stand for? Cr₂(SO₄)₃

How did Dalton's Atomic Theory help to explain the Law of Conservation of Mass?

The basic principles of the Atomic Theory were first concieved by...

Which of the following requires that each of the "p" orbitals at any level have 1 electron before pairing up?

When an excited hydrogen atom returns to the ground state it...

Chemistry is natural science that deals with the...

Group 1 of the periodic table contains...

If some measurements agree closely with each other but they differ from the actual value they are...

The principle stating that atoms form compounds in which each atom has 8 electrons in the highest energy level is the..

When you do division/multiplication how many significant figures are there in the answer?

Which orbital would never exist in quatum theory?

Lathanides and Actinides are elements that make up the __ block

The behavior of cathode rays in a glass tube containing gas at low pressure led scientists to conclude the rays are made

Most of the volume of an atom is occupied by...

The main group elements make up which blocks?

An ionic bond results from the electrical attraction between..

Bond length is the distance between two bonded atoms at their..

In which of the following measurements are the zeros not considered significant?

In a polyatomic ion, the algebraic sum of the oxidation numbers is NOT 0. What is it?

Which of the following is not apart of the scientific method?

The discovery of the nucleus is the result of Rutherfurd's observation that a small percent of positive particles...

What branch of chemistry deals with the separation, identification, and composition of matter?

To determine the correct molecular formula of a compound from an empirical formula you must determine the...

Which of these is an example of a heterogeneous mixture?

Neutral atoms of the same element (isotope) differ in...

The Law of Multiple Proportions is demonstrated by which of the following compounds?

Which of the following is an extensive property?

Which of the following is a chemical change?

A new group was added to the periodic table after the discovery of the...

How many electrons are needed to fill the 4th energy level

At sea level, water boils at 100 degrees Celcius. This is an example of...

Which of the following is an element?

For multiple covalent bonds to form, they need to have C, N, or ?