Periodic Table
Nuclear Chemistry
Bonding and Reactions
Solutions
States/Phases
100

The ________ is a chart created by chemists to organize the elements according to repeated changes on properties. 

Periodic Table

100

235U --> 231Th + 4He

What type of decay is the above reaction?

Alpha

100

Elements in the 17th group are known as Halogens. Each element in that group carries what charge during bonding?

1-

100

A solution with a pH of 9 is acidic, basic, or neutral?

basic
100

______ is the measure of the average kinetic energy of particles in a substance. 

Temperature

200

Does number of valence electrons increase or decrease as you move from left to right across the Periodic Table?

Increase

200

If you have 200 grams of radioactive Polonium with a half-life of 50 years. How much is left after 100 years?

50 grams

200

Ca + O2 -> CaO

What type of reaction is this?

Synthesis

200

A strong acid will have a ____ pH value than a weak base. 

lower, higher

lower

200

During the process of melting, is energy absorbed or released? 

absorbed 

300

To become stable, Sodium will ______ electrons and form an positive ion. 

lose/give away

300

Which type of nuclear reaction is used in nuclear power plants?

Fission

300

When forming table salt, also referred to as sodium chloride, which element in the bond gains an electron?

Chlorine

300

Common household cleaning products like drain cleaner and Windex are examples of a ____ solution. 

Basic

300

When a substance changes from a liquid to a solid, the particles are speeding up or slowing down?

slowing down

400

______ are atoms of the same element that have different numbers of neutrons. 

Isotopes

400
What type of nuclear reaction takes place in the sun? This type of nuclear process produces a lot of energy and not much waste. 

Fusion

400

What is the name of the following chemical formula? 

KCl

Potassium chloride

400

What do we call a solution that conducts electricity?

electrolyte

400

According to Boyle's law, if temperature is held constant and the pressure of a substance increases, what happens to the volume? 

decreases

500

The atomic number of manganese is 25; its mass number is 55. How many neutrons does it have?

30

500

In which type of nuclear decay does a neutron split into a proton, and eject an electron from the nucleus of the atom? 

Beta

500
Balance the following reaction. 

__ Fe + __ S2 -> __ Fe2S3

4, 3, 2

500

After tasting the salt in the ocean water on a visit to the beach, you recall from your physical science class that the salt is the ____ is the ocean water solution. 

solute

500

According to Charles Law, if pressure is constant, and the temperature of a substance increases, what will happen to the volume of the substance? 

increases

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