Nas 2 Study Questions with Correct Answers
/. What is matter made of? - Answer-Atoms, the smallest unit of elements.
/.What are the 6 most common elements in living organisms? - Answer-Oxygen,
Carbon, Hydrogen, Nitrogen, Calcium, Phosphorus (OCHNCP).
/.What is the mnemonic for the 6 most common elements? - Answer-"Only Clever
Humans Need Calcium & Phosphorus."
/.What are the three subatomic particles and their charges? - Answer-Protons (+),
Neutrons (neutral), Electrons (-).
/.Where are protons and neutrons located? - Answer-In the nucleus.
/.Where are electrons located? - Answer-In the electron cloud orbiting the nucleus.
/.What is the rule for electric charge interactions? - Answer-Opposites attract, like
charges repel.
/.What does the atomic number represent? - Answer-The number of protons (defines
the element).
/.What are isotopes? - Answer-Atoms of the same element with different numbers of
neutrons.
/.What determines how an atom bonds? - Answer-Electrons.
/.How many electrons fit in the first shell? - Answer-2.
/.How many electrons fit in the second and third shells? - Answer-8 each (Octet Rule).
/.Why do atoms form chemical bonds? - Answer-To fill their valence shells and become
stable.
/.What is the mnemonic for bonding? - Answer-"Sharing is caring, but giving away works
too!"
/.What are the two types of intramolecular bonds? - Answer-Ionic and covalent bonds.
/.How do ionic bonds form? - Answer-By transferring electrons, creating charged ions
that attract.
/. What is matter made of? - Answer-Atoms, the smallest unit of elements.
/.What are the 6 most common elements in living organisms? - Answer-Oxygen,
Carbon, Hydrogen, Nitrogen, Calcium, Phosphorus (OCHNCP).
/.What is the mnemonic for the 6 most common elements? - Answer-"Only Clever
Humans Need Calcium & Phosphorus."
/.What are the three subatomic particles and their charges? - Answer-Protons (+),
Neutrons (neutral), Electrons (-).
/.Where are protons and neutrons located? - Answer-In the nucleus.
/.Where are electrons located? - Answer-In the electron cloud orbiting the nucleus.
/.What is the rule for electric charge interactions? - Answer-Opposites attract, like
charges repel.
/.What does the atomic number represent? - Answer-The number of protons (defines
the element).
/.What are isotopes? - Answer-Atoms of the same element with different numbers of
neutrons.
/.What determines how an atom bonds? - Answer-Electrons.
/.How many electrons fit in the first shell? - Answer-2.
/.How many electrons fit in the second and third shells? - Answer-8 each (Octet Rule).
/.Why do atoms form chemical bonds? - Answer-To fill their valence shells and become
stable.
/.What is the mnemonic for bonding? - Answer-"Sharing is caring, but giving away works
too!"
/.What are the two types of intramolecular bonds? - Answer-Ionic and covalent bonds.
/.How do ionic bonds form? - Answer-By transferring electrons, creating charged ions
that attract.
