Midterm Review

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

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

Mosley organized the Periodic Table in order of..

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

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

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

Group 1 of the periodic table contains...

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

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

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

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

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

The group number for the halogens is..

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

Lathanides and Actinides are elements that make up the __ block

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

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

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

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

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

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

The main group elements make up which blocks?

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

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

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

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

Which of the following is a chemical change?

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

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

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

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

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

Which of the following is an extensive property?

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

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

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

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

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

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

The number of valence electrons for group 2 atoms is?

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

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

Chemistry is natural science that deals with the...

Which of these is an example of a heterogeneous mixture?

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

An ionic bond results from the electrical attraction between..

Which of the following is an element?

Which orbital would never exist in quatum theory?

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

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