Periodic Table
Solutions
States/Phases
Bonding and Reactions
Characteristics
100

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

Periodic Table

100

Lemon juice is an example of a(n) _______ solution.

acidic

100

Which state of matter has molecules that are clumped together but still flowing past one another?

Liquid

100
Each substance on the right side of the arrow (right side of the yield symbol) in a chemical reaction is a ________.
product
100

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

Isotopes

200

What is the correct chemical symbol for Carbon?

C

200

A ______ solution contains more solute than would normally dissolve at a certain temperature. 

supersaturated 

200

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

slowing down

200

What type of reaction is the following?

      NiCl2 --> Ni + Cl2

Decomposition

200

Which type of decay reduces the mass number by four?

Alpha

300

Which of the following best describes the three general classes (or categories) of elements?

metals, metalloids, non-metals

300

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

lower

300

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

absorbed

300

What is the correct name for MgO?

Magnesium oxide

300

Which class of elements have the properties of being malleable and ductile?

metals

400

What is the oxidation number of Bromine?

1-

400

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

solute

400

The kinetic theory of matter states that the higher the temperature, the faster the _______ will move.

atoms/molecules

400

The chemical formula for dinitrogen pentoxide is _______.

N2O5

400

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

50g

500

The atomic number of manganese is 25; its mass number is 55. How many neutrons does an atom of manganese have in its nucleus?

30

500

The concentration of hydrogen ions increases as the pH value ______.

decreases

500

According to Charles' law, as _________ is increased, then volume increases. 

temperature

500

Which group of elements on the Periodic Table are least likely to bond with Sodium?

Group 18/Noble Gases

500

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

Chlorine

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