Periodic Table Review

Front

How many electrons does Oxygen have?

Back

Oxygen has 8 electrons.

Front

What classification best describes an unknown element that is a poor conductor of heat and electricity and has a dull appearance?

Back

Nonmetal.

Front

What is an Elemental Compound?

Back

An Elemental Compound is a substance that consists of two or more elements that are chemically bonded together.

Front

How are groups on the periodic table arranged?

Back

Groups on the periodic table are arranged vertically (up and down).

Front

Which pair of elements would have similar properties due to their position in the periodic table?

Back

Copper (Cu) and Gold (Au) have similar properties because they are in the same column.

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 are the three main categories of elements on the periodic table?

Back

The three main categories are metals, nonmetals, and metalloids.

Front

What is a metalloid?

Back

A metalloid is an element that has properties of both metals and nonmetals.

Front

What is the significance of the periodic table's layout?

Back

The layout of the periodic table helps predict the properties and behaviors of elements based on their position.

Front

What is a chemical symbol?

Back

A chemical symbol is a one or two-letter abbreviation used to represent an element.