Atomic Structure and Ions

Front

What happens to a neutral atom of Magnesium when it becomes an ion?

Back

It loses 2 electrons.

Front

What are the outermost electrons of an atom called?

Back

Valence electrons.

Front

What type of charges do ionic bonds form between?

Back

Opposite charges.

Front

What charge does an atom acquire when it gains electrons?

Back

Negative.

Front

What is the smallest particle into which an element can be divided and still be the same substance?

Back

Atom.

Front

What is an ion?

Back

An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.

Front

What are cations?

Back

Positively charged ions that are formed when an atom loses electrons.

Front

What are anions?

Back

Negatively charged ions that are formed when an atom gains electrons.

Front

What is the significance of valence electrons in chemical bonding?

Back

They determine how an atom can bond with other atoms.

Front

What is the difference between an element and a compound?

Back

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