Frequntly Missed Chemistry

​Review of Frequently Missed Chemistry Questions!

Multiple Choice

Which image shows the region of the periodic table which has the most reactive non-metal elements?

Multiple Choice

Granite forms when magma cools slowly, deep underground, into large crystals composed of the minerals quartz, feldspar, and mica.  How would granite be classified?  A photo of granite is shown below.

• Compound

• Heterogeneous Mixture

• Homogeneous Mixture

• Element

Multiple Choice

A mixture is made up of elements X, Y, and Z. A student performs a series of experiments on the substance and records his observations.  Which image represents the mixture?

Multiple Choice

How do we determine the number of neutrons in an atom?

• Subtract the atomic mass from the atomic number

• It is the same as the atomic mass.

• Subtract the atomic number from the atomic mass.

• It is the same as the atomic number

Multiple Choice

Where is the majority of the empty space located in an atom?

• the electron cloud

• the nucleus

• there is no empty space

• A and B

Multiple Choice

Jim separates two materials (A and B) on the basis of some properties as shown in the table.  Which option correctly classifies the properties used to differentiate the materials?

• 1 and 2 are physical properties. 3 is a chemical property.

• 1 and 3 are physical properties. 2 is a chemical property

• 1 is a chemical property. 2 and 3 are physical properties.

• 2 is a physical property. 1 and 3 are chemical properties.

Multiple Choice

Study chemical equations 1 and 2.  Which statement is true about the two reactions shown?

• Both reactions satisfy the Law of Conservation of Matter.

• Neither reaction satisfies the Law of Conservation of Matter

• Reaction 1 satisfies the Law of Conservation of Matter, but reaction 2 does not.

• Reaction 2 satisfies the Law of Conservation of Matter, but reaction 1 does not.