Exam 1 Review

How do you find the number of Neutrons?

• Mass number-protons

• electrons-protons

• Atomic number-protons

• Mass number-Atomic number

Which element is NOT common in living systems?

• oxygen

• calcium

• carbon

• nitrogen

What is not a type of ion?

• anion

• isotope

• cation

What is an ionic bond?

• attraction of atoms with opposite charges

• atoms share electron pairs equally

• atoms share electron pairs unequally

• bonded to hydrogen

Tags

NGSS.HS-PS1-3

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

What is cohesion?

• water attracted to water

• water attracted to chlorine

• water attracted to air

• water attracted to oranges

What is NOT an example of adhesion?

• water to air

• water to water

• water to chlorine

• water to sodium