IPC Fall Semester Exam

Front

Which element conducts electricity the best?

Back

Silver is the best conductor of electricity among the given options.

Front

How many electrons should Nitrogen have around its Lewis dot model?

Back

Nitrogen should have 5 electrons around its Lewis dot model.

Front

How many neutrons does the isotope of lithium have?

Back

The isotope of lithium has 5 neutrons.

Front

How many protons does an aluminum atom have?

Back

An aluminum atom has 13 protons.

Front

What is a characteristic of a gas?

Back

A gas has fast-moving particles.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is the definition of an isotope?

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

Front

What is the significance of the Lewis dot structure?

Back

The Lewis dot structure represents the valence electrons of an atom and helps in understanding bonding.

Front

What is the difference between a conductor and an insulator?

Back

A conductor allows electricity to flow easily, while an insulator resists the flow of electricity.

Front

What is the definition of a molecule?

Back

A molecule is a group of two or more atoms bonded together.