BIO 150 Lecture Exam 1 QUESTION AND
ANSWERS VERIFIED TO PASS (4 PGS)
Properties of Life - correct answer ✔order, regulation, growth and
development, energy processing, response to the environment, reproduction,
evolution
Ordinary oxygen has an atomic mass of 16 and an atomic number of 8. This
means that the number of neutrons in this type of oxygen is - correct answer
✔8
The phosphorus atom has 15 electrons arranged in three energy levels. The
number of electrons in the outer level is - correct answer ✔5
Your friends are struggling to understand the difference between isotopes and
ions. To explain you tell them that ions __________________ and that
isotopes ___________________ - correct answer ✔differ in number of
electrons, differ in number of neutrons
When two atoms share a pair of electrons, the bonding is referred to as -
correct answer ✔covalent
in the crystalline structure of table salt, the sodium and chloride are held
together by _______ bonds - correct answer ✔ionic
A chemical bond that's formed when an atom transfers and electron to
another atom - correct answer ✔ionic bond
Properties of water - correct answer ✔cohesion, adhesion, excellent solvent,
solid is less dense than liquid, specific heat, hydrogen bonding
ANSWERS VERIFIED TO PASS (4 PGS)
Properties of Life - correct answer ✔order, regulation, growth and
development, energy processing, response to the environment, reproduction,
evolution
Ordinary oxygen has an atomic mass of 16 and an atomic number of 8. This
means that the number of neutrons in this type of oxygen is - correct answer
✔8
The phosphorus atom has 15 electrons arranged in three energy levels. The
number of electrons in the outer level is - correct answer ✔5
Your friends are struggling to understand the difference between isotopes and
ions. To explain you tell them that ions __________________ and that
isotopes ___________________ - correct answer ✔differ in number of
electrons, differ in number of neutrons
When two atoms share a pair of electrons, the bonding is referred to as -
correct answer ✔covalent
in the crystalline structure of table salt, the sodium and chloride are held
together by _______ bonds - correct answer ✔ionic
A chemical bond that's formed when an atom transfers and electron to
another atom - correct answer ✔ionic bond
Properties of water - correct answer ✔cohesion, adhesion, excellent solvent,
solid is less dense than liquid, specific heat, hydrogen bonding
