Duplicate of Updated Practice FINAL

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

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

In a chemical reaction the mass of the 

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

Classify    A+  BC -->  AC +  B

Which of the following has the lowest average kinetic energy?

Which of the following does a catalyst do?      

Which group of the periodic table has the highest electronegativity?

Which of the following compounds functions as a base?

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

Isotopes of the same element have different numbers of

Which of the following formulas represents an ionic compound?

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

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

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

What element has the electron configuration 1s²2s²2p⁶3s²3p¹?

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

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

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

A molecule with bent molecular geometry is

Estimate the energy possessed by the products in this reaction.

All of the following elements are metals except _____.

All Group 2 elements have_____.

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

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

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

Estimate the activation energy required for the reaction to occur.

Which of the following affects reaction rate?

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

The least difficult radiation to block out is _____.

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

What is the correct formula for sodium oxide?

Which of the following is a characteristic of a nonmetal?

Vertical columns of the periodic table are known as _____.