Ions and Periodic Table Unit PS Review

Front

What is the atomic radius?

Back

The atomic radius is the distance from the nucleus of an atom to the outermost shell of electrons.

Front

Which atom has the largest atomic radius?

Back

Francium has the largest atomic radius among the given options.

Front

What happens to an atom when it gains electrons?

Back

When an atom gains electrons, it becomes negatively charged and is called an anion.

Front

What are noble gases?

Back

Noble gases are a group of inert gases in Group 18 of the periodic table that are not reactive under standard conditions.

Front

Which group of metals is very reactive?

Back

Alkali metals are very reactive metals found in Group 1 of the periodic table.

Front

How does atomic radius change across a group?

Back

Atomic radius decreases across a group from left to right.

Front

How does atomic radius change down a period?

Back

Atomic radius increases down a period.

Front

What is a cation?

Back

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

Front

What is an anion?

Back

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

Front

What are alkali metals?

Back

Alkali metals are highly reactive metals located in Group 1 of the periodic table.