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Nas 2 Study Questions with Correct Answers

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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

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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.

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