AP Chemistry Midterm Exam Review

Front

Atoms with the same number of protons & different numbers of neutrons are known as ____.

Back

Isotopes

Front

Which subshell has the lowest energy?

Back

5s

Front

Which element has the lowest 2nd ionization energy?

Back

Mg

Front

A sample of iron receives 50J of heat energy that raises the temperature of the iron 25.0°C. If iron has a specific heat of 0.10 J/g°C, what is the mass of the iron sample?

Back

20g

Front

What type of hybridization does C have in CH2OH?

Back

sp²

Front

Define isotopes.

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the principle behind ionization energy?

Back

The energy required to remove an electron from an atom.

Front

Explain the concept of hybridization in chemistry.

Back

The mixing of atomic orbitals to form new hybrid orbitals.

Front

What is specific heat capacity?

Back

The amount of heat required to raise the temperature of 1 gram of a substance by 1°C.

Front

What is the relationship between energy levels and subshells?

Back

Energy levels determine the subshells' energy, with lower principal quantum numbers having lower energy.