Chemistry Review!

Front

How many neutrons are in magnesium?

Back

Magnesium has 12 neutrons.

Front

Ionization energy __________ as you go down a group.

Back

Ionization energy decreases as you go down a group.

Front

A proton has what charge?

Back

A proton has a positive charge.

Front

What is the atomic number of silicon?

Back

The atomic number of silicon is 14.

Front

Which element has the greater ionization energy: Magnesium (Mg) or Phosphorus (P)?

Back

Phosphorus (P) has the greater ionization energy.

Front

What is the definition of an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

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 the charge of an electron?

Back

An electron has a negative charge.

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.