Periodic Table Test 2

Front

What is a chemical change?

Back

A chemical change is a process where one or more substances are transformed into different substances with new chemical properties. An example is baking a cake.

Front

What elements generally compose a covalent bond?

Back

Covalent bonds are generally formed between two or more nonmetals.

Front

What is half-life?

Back

Half-life is the time it takes for the quantity of a radioactive substance to reduce to half its initial amount.

Front

What color on the periodic table represents metalloids?

Back

Bright yellow represents metalloids on the periodic table.

Front

What are reactants in a chemical equation?

Back

Reactants are the starting substances in a chemical reaction, found on the left side of the equation.

Front

What is the definition of a metal?

Back

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

Front

What is a nonmetal?

Back

Nonmetals are elements that lack the characteristics of metals, often poor conductors of heat and electricity.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of elements organized by increasing atomic number, showing periodic trends.

Front

What is an ion?

Back

An ion is an atom or molecule that has gained or lost one or more electrons, resulting in a net charge.

Front

What is the difference between an ionic bond and a covalent bond?

Back

An ionic bond is formed through the transfer of electrons from one atom to another, while a covalent bond involves the sharing of electrons.