pop flashcard: Mid-term review 1

Front

Which element is found in GROUP 2 of the periodic table?

Back

Magnesium is found in GROUP 2.

Front

What is a negative ion called?

Back

A negative ion is called an anion.

Front

How are mixtures combined?

Back

Mixtures are combined physically.

Front

What is the atomic mass of Nitrogen?

Back

The atomic mass of Nitrogen is 14.01.

Front

How many neutrons does a Sodium 24 isotope have?

Back

A Sodium 24 isotope has 13 neutrons.

Front

What is the definition of an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

What is the difference between an anion and a cation?

Back

An anion is a negatively charged ion, while a cation is a positively charged ion.

Front

What is the significance of atomic mass in chemistry?

Back

Atomic mass is important for understanding the mass of atoms and how they combine in chemical reactions.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.