Chemistry Fall Review

Front

What is the formula for density?

Back

Density (D) = mass (m) / volume (v)

Front

How do you calculate the mass of a solution given its volume and density?

Back

Mass = Density × Volume

Front

What is the electron configuration for Arsenic?

Back

[Ar] 4s2 3d10 4p3

Front

Which electromagnetic wave has the highest frequency?

Back

Gamma rays have the highest frequency.

Front

What is a chemical change?

Back

A chemical change results in the formation of new substances.

Front

What is a physical change?

Back

A physical change does not alter the chemical composition of a substance.

Front

What is the significance of the electron configuration in determining an element's properties?

Back

Electron configuration determines an element's reactivity and placement in the periodic table.

Front

What is scientific notation?

Back

A way to express numbers as a product of a number between 1 and 10 and a power of 10.

Front

Convert 74,000 to scientific notation.

Back

7.4 × 10^4

Front

What is the difference between a chemical and a physical property?

Back

Chemical properties can only be observed during a chemical reaction, while physical properties can be observed without changing the substance.