Semester Test Practice - Skills (some vocab mixed in)

Front

What is a Period in the periodic table?

Back

A Period is a horizontal row in the periodic table where elements have the same number of electron shells.

Front

How do you determine the number of significant figures in a measurement?

Back

Significant figures are the digits in a number that contribute to its precision. For example, in 1000 mL, there is 1 significant figure.

Front

What type of elements form Ionic bonds?

Back

Ionic bonds are formed between metals and nonmetals.

Front

How do you calculate mass using density and volume?

Back

Mass = Density × Volume. For example, if density is 2 g/cm³ and volume is 24 cm³, then mass = 2 g/cm³ × 24 cm³ = 48 grams.

Front

What is the noble gas shorthand electron configuration for Sulfur?

Back

The noble gas shorthand electron configuration for Sulfur is [Ne] 3s² 3p⁴.

Front

What is the definition of a Chemical Symbol?

Back

A Chemical Symbol is a one or two-letter notation used to represent an element, such as H for Hydrogen or O for Oxygen.

Front

What is the difference between a Period and a Family in the periodic table?

Back

A Period is a horizontal row, while a Family (or Group) is a vertical column of elements that share similar properties.

Front

What is the formula for calculating density?

Back

Density = Mass / Volume.

Front

What are the characteristics of metals?

Back

Metals are typically shiny, good conductors of heat and electricity, malleable, and ductile.

Front

What is the significance of the atomic number?

Back

The atomic number indicates the number of protons in an atom and determines the element's identity.