Flashcard#8 Ion Formation

Front

What charge will a beryllium (Be) ion have?

Back

2+

Front

Which of these is the electron configuration of an atom most likely to lose an electron?

Back

1s2 2s2 2p6 3s2 3p6 4s1

Front

The Lewis Dot structure for aluminum would have ______ electrons.

Back

3

Front

Valence electrons are those that are ______.

Back

in the outermost energy level of the atom.

Front

A positively charged atom is called a(n) ________.

Back

cation

Front

What is the definition of a cation?

Back

A positively charged ion formed when an atom loses one or more electrons.

Front

What is the definition of an anion?

Back

A negatively charged ion formed when an atom gains one or more electrons.

Front

How many valence electrons does sodium (Na) have?

Back

1

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is the electron configuration of chlorine (Cl)?

Back

1s2 2s2 2p6 3s2 3p5