Regents Chemical Bonding

Front

A covalent bond forms when atoms: share neutrons, transfer electrons, share electrons, transfer neutrons

Back

share electrons

Front

Which element consists of positive ions immersed in a "sea" of mobile electrons? Options: sulfur, hydrogen, calcium, chlorine

Back

calcium

Front

What is the charge of any element that is uncombined?

Back

zero

Front

How many valence electrons does nitrogen have?

Back

5

Front

When an atom forms a bond

Back

energy is released

Front

Can an ionic bond form between a metal and a polyatomic ion?

Back

True

Front

Predict the bond between phosphorous and fluorine: covalent, ionic, metallic, none of the above

Back

covalent

Front

What type of bonding is represented by this picture? Options: metallic, covalent, coordinate covalent, ionic

Back

ionic

Front

What is the oxidation number of a potassium ion?

Back

+1

Front

How many valence electrons are represented by the following Bohr diagram?

Back

6