W16 Flashcard: Periodic Table 1.5

Front

What is the chemical formula for carbon dioxide?

Back

CO₂

Front

How many atoms of oxygen are in carbon dioxide (CO₂)?

Back

2

Front

What is the chemical formula for sucrose (table sugar)?

Back

C₁₂H₂₂O₁₁

Front

How many carbon atoms are in the sugar molecule C₁₂H₂₂O₁₁?

Back

12

Front

How many electrons do atoms in the 3rd column of the periodic table have in their outer shell?

Back

3

Front

What happens to a neutral carbon atom if it gains one electron?

Back

It becomes a negative carbon ion (or an anion).

Front

What do elements in the same row of the periodic table have in common?

Back

They have the same number of atomic orbitals (also called electron shells).

Front

What is 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 a cation?

Back

A cation is a positively charged ion, formed when an atom loses one or more electrons.

Front

What is an anion?

Back

An anion is a negatively charged ion, formed when an atom gains one or more electrons.