Honors Chemistry Sem 1 Final Exam Review

Front

What is the electron configuration of an oxygen atom?

Back

1s² 2s² 2p⁴

Front

How do you calculate the result of 7.987 m - 0.54 m with the correct significant figures?

Back

7.45 m

Front

What products are produced in combustion reactions?

Back

Water and carbon dioxide

Front

What is the correct formula for sulfur hexachloride?

Back

SCl₆

Front

How many electrons does an atom of S²⁻ have?

Back

18

Front

Define electron configuration.

Back

The distribution of electrons in an atom's orbitals.

Front

What are significant figures?

Back

Digits in a number that contribute to its precision.

Front

What is a combustion reaction?

Back

A chemical reaction that typically involves oxygen and produces heat and light.

Front

What is the formula for calculating significant figures in subtraction?

Back

The result should be reported to the least number of decimal places of any number in the operation.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.