Chemistry 1 Honors Midterm Exam Review

Front

What type of bond involves delocalized electrons?

Back

Metallic bond.

Front

What type of bond is formed by the transfer of electrons from one atom to another?

Back

Ionic bond.

Front

How are ionic bonds characterized?

Back

A bond formed by the transfer of electrons from one atom to another.

Front

What is the significance of significant figures in measurements?

Back

They indicate the precision of a measurement.

Front

How many significant figures are in the measurement 0.00501 mL?

Back

3

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

Which isotope of boron is more abundant: 10.01 or 11.01?

Back

The one with an atomic mass of 11.01.

Front

What is a covalent bond?

Back

A bond formed when electrons are shared between atoms.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve transfer of electrons, while covalent bonds involve sharing of electrons.

Front

What is electronegativity?

Back

A measure of an atom's ability to attract and hold onto electrons.