Reg Chem Practice FINAL

Which of the following formulas represents an ionic compound?

The least difficult radiation to block out is _____.

Estimate the activation energy required for the reaction to occur.

Which of the following does a catalyst do?      

The mass number of an element whose atoms have 11 protons and 13 neutrons is _____.

Boyles Law states if Pressure of a gas goes up, what will happen to the volume of the gas?

In a chemical reaction the mass of the 

The burning of gasoline in an automobile engine is an example of a(n) _____.

Classify    A+  BC -->  AC +  B

Estimate the energy possessed by the products in this reaction.

Classify The equation  2 C₃H₇OH  +  9 O₂  --> 6 CO₂  +  8 H₂O

When ice melts, what type of change is likely taking place?

What is the coefficient that goes in front of Fe?    Fe  +   O₂  -->  Fe₂O₃

What is the name of the ionic compound formed from strontium and nitrogen?

What is the usual charge of an ion from the alkali metal group?

A molecule with bent molecular geometry is

Vertical columns of the periodic table are known as _____.

Isotopes of the same element have different numbers of

The change of a substance from a liquid to a solid is called

Which of the following affects reaction rate?

Which group of the periodic table has the highest electronegativity?

The atomic number of an element whose atoms have 8 protons and 10 neutrons is _____.

Particles that are farther apart and higher in energy than those in a liquid are?

When   U-238 becomes Th-234 , what type of decay has taken place?

All Group 2 elements have_____.

If a substance has a pH of 13. This tells you that the substance is

What element has the electron configuration 1s²2s²2p⁶3s²3p¹?

How much hydrogen-3 will remain after 48 yrs if sample of 80.0 g has half-life of 12 yrs?

All of the following elements are metals except _____.

What is the correct formula for sodium oxide?

Which of the following has the lowest average kinetic energy?

Which of the following compounds functions as a base?

what is the coefficient for HCl?  Al   +   HCl   -->   AlCl₃   +   H₂

Which of the following is a characteristic of a nonmetal?