Exam 1 Review

How do you find the number of Neutrons?

• Mass number-protons

• electrons-protons

• Atomic number-protons

• Mass number-Atomic number

Which is an Isotope?

• 13^C

• C

• 6C

• OH

What are valence electrons?

• inner ring electrons

• middle ring electrons

• electrons in outermost shell

• all of the electrons

Atoms with full energy levels are LESS reactive than unfilled energy levels

• true

• false

What is not a type of ion?

• anion

• isotope

• cation

Which is an ionic bond?

• NaCl

• H₂O

• CH₃

• CH₃OH

Which is an electronegative atom?

• H

• C

• K

• O

What type of bond does an O have with an H INSIDE a water molecule

• Ionic

• covalent

• hydrogen

• phosphodiester

What type of bond does an O and H have BETWEEN water molecules?

• hydrogen

• ionic

• covalent

• disulfide

When can you start celebrating Christmas?

• After Thanksgiving

• Before Thanksgiving