2nd Semester Final Review (2)

Front

What is a nuclear equation?

Back

A nuclear equation represents a nuclear reaction, showing the initial and final nuclei and particles involved, including any emitted radiation.

Front

What is beta decay?

Back

Beta decay is a type of radioactive decay in which an unstable nucleus transforms into a more stable one by emitting a beta particle (electron or positron).

Front

How do you balance a nuclear equation?

Back

To balance a nuclear equation, ensure that the total number of protons and neutrons is the same on both sides of the equation.

Front

What is dimensional analysis?

Back

Dimensional analysis is a mathematical technique used to convert units from one system to another, ensuring that the dimensions are consistent.

Front

How do you convert feet to centimeters?

Back

To convert feet to centimeters, multiply the number of feet by 30.48 (1 foot = 30.48 cm).

Front

What is molar mass?

Back

Molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol).

Front

How do you calculate the molar mass of a compound?

Back

To calculate the molar mass, sum the atomic masses of all atoms in the compound's formula.

Front

What is scientific notation?

Back

Scientific notation is a way of expressing numbers as a product of a number between 1 and 10 and a power of ten.

Front

How do you convert a number to scientific notation?

Back

To convert to scientific notation, move the decimal point to create a number between 1 and 10, and count the number of places moved to determine the exponent.

Front

What is Avogadro's number?

Back

Avogadro's number is approximately 6.02 x 10^23, representing the number of particles in one mole of a substance.