Midterm Topic Review

Front

Which pair of atoms will form ionic bonds?

Back

Mg and O

Front

What is a molecule or ion capable of donating a hydrogen?

Back

Acid

Front

TRUE or FALSE: The particles in solids move around a lot and spread out.

Back

FALSE

Front

What type of reaction is this?

Back

beta

Front

What is the % of the parent isotope remaining after 1 Half Life?

Back

50%.

Front

What is an ionic bond?

Back

A chemical bond formed between two ions with opposite charges.

Front

What is the definition of an acid?

Back

A substance that donates hydrogen ions (H+) in a solution.

Front

Describe the movement of particles in solids.

Back

Particles in solids are closely packed and vibrate in place.

Front

What is a half-life in radioactive decay?

Back

The time required for half of the radioactive atoms in a sample to decay.

Front

What is the difference between alpha, beta, and gamma reactions?

Back

Alpha involves helium nuclei, beta involves electrons or positrons, and gamma involves high-energy photons.