Atoms with a net positive (+) or negative (-) charge are called:

Which particles are located in the nucleus of the atom?

Atoms with the same element with different numbers of neutrons are called:

What is the Mass Number of an atom that has 23 protons, 27 neutrons and 18 electrons?

What is the molar mass of ZnF₂ ?

Atoms with atomic numbers greater than 20 need more __________________ to keep the nucleus stable.

6.58 kilograms is equal to how many milligrams?

The most important piece of safety equipment for you to wear in the lab when you work with chemicals or fire is:

Density is equal to the mass of a substance divided by its volume. If 290 mL of a liquid has a mass of 350 grams, what is its density?

Which element has 20 protons in its nucleus?

What is the maximum number of electrons that can fit in the second energy level of an atom?

Which type of radiation would have greater energy than Visible Light?

How many valence electrons does Phosphorus (P) have?

How many electrons would Oxygen (O) gain or lose to have a full valence energy level (Octet)?

Which type of nuclear reaction is used in Nuclear Power Plants?

Which of the following pairs of elements is most likely to form an ionic compound?

Silicon (Si) is a:

Oxygen (O) is a:

Sodium (Na) is a:

Which of the following would be the correct chemical formula for K⁺ bonding with N^3-

Which of the following would be the correct chemical formula for Sulfur Hexafluoride?

An Ionic bond is formed by the:

A Covalent bond is formed by the:

The metals atoms in a piece of Copper metal or an alloy such as Brass are held together by :

You have a substance that is shiny, hard and a good conductor of heat and electricity. It would be classified as a:

A horizontal row on the Periodic Table is called a:

Identify the Halogen in the 4th period:

Which of these elements has the highest Ionization Energy?

Which element has the largest atomic radius?

The amount of matter in an object is defined as the:

The amount of space an object takes up is the:

Chemistry is the study of:

The state of matter that has the most movement of particles is:

A liquid turns to a gas by the process of:

Burning paper is an example of a ___________change in matter.

Which scientist created this model of the atom after he discovered the electron?

This equation, when correctly balanced, will have coefficients of:

A reaction that causes an increase in temperature (feels hot) is an:

When water boils to become steam, it is an example of a ___________ change in matter.

Salt (NaCl) is an example of a(n):

Milk is an example of a:

This bowl of snack mix is an example of a:

How many protons, neutrons and electrons are present?

The most dangerous and powerful type of radiation is:

Solids have:

Which type of reaction is this?

Zn + 2 HCl --> ZnCl₂ + H₂

In a neutralization reaction, a strong acid and a strong base are mixed to create a solution with a pH of _____.

ex: KOH + HCl --> H₂O + KCl

Lemons have a pH of 2. Lemon juice is ________________.

Bleach has a pH of 12. Bleach is ________________.

You boil salt water until just the salt is left in the beaker. This is an example of:

You put a 4.0 g piece of iron on a hot plate and it heats up from 25 degrees to 100 degrees Celsius. The Specific Heat of iron is 0.450 J/gC. Calculate the amount of heat energy required to do this given the formula; q = m x C x change in Temperature

In the antacid lab, we added an antacid to a Hydrochloric Acid solution and the pH went up. Did this make the solution more or less acidic?

In the reaction: Al + O₂ --> Al₂O₃

O₂ is a:

Crushing a tablet into smaller pieces is an example of which factor that increases the rate of chemical reactions?

The height of a wave from the origin/resting position to the peak/crest is called the ___________, which is related to the brightness of a light wave or loudness of a sound wave.

You have a compound that does NOT melt on the hot plate and is a GOOD conductor of electricity when dissolved in water. Which type of compound is it?

Who created the 1st Periodic Table arranged by increasing atomic mass?

How many moles of O₂ are necessary to produce 6 moles of H₂O according to the reaction below:

C₃H₈ + 5 O₂ --> 3 CO₂ + 4 H₂O

This is an example of a(n) _________ bond, and the resulting charge of Na will be _________.