21-30

Question 0

22. Covalent Bond – forms when electrons are shared between atoms.

Answer 0

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Question 1

21. Ionic Bond – formed when one or more electrons are transferred from one atom to
    another.

Answer 1

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Question 2

23. Valence Electrons - the electrons in the outer shell or energy level that are available
    for bonding.

Answer 2

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Question 3

24. pH - the measure of acidity or alkalinity of a solution.

Answer 3

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Question 4

21. Ionic Bond – formed when one or more electrons are transferred from one atom to
    another.
    dissolves in water to release a hydrogen ion. (H+)

Answer 4

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Question 5

21. Ionic Bond – formed when one or more electrons are transferred from one atom to
    another.
22. Covalent Bond – forms when electrons are shared between atoms.
23. Valence Electrons - the electrons in the outer shell or energy level that are available
    for bonding.
24. pH - the measure of acidity or alkalinity of a solution.
25. Acid - a substance that dissolves in water to release a hydrogen ion. (H+)
26. Base - a substance that dissolves in water to release a hydroxide ion. (OH-)
27. Deoxyribonucleic Acid (DNA) – the nucleic acid that contains all genetic
    information for a cell.
28. Double Helix - The shape of DNA that resembles a spiral staircase or a twisted
    ladder.
29. Nucleic Acid - The building block of living organisms that passes genetic
    information from one generation to the next. (e.g. DNA)
30. Nucleotide – a monomer of nucleic acid; consisting of a sugar, phosphate, and a

Answer 5

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Question 6

21. Ionic Bond – formed when one or more electrons are transferred from one atom to
    another.
22. Covalent Bond – forms when electrons are shared between atoms.
23. Valence Electrons - the electrons in the outer shell or energy level that are available
    for bonding.
24. pH - the measure of acidity or alkalinity of a solution.
25. Acid - a substance that dissolves in water to release a hydrogen ion. (H+)
26. Base - a substance that dissolves in water to release a hydroxide ion. (OH-)
27. Deoxyribonucleic Acid (DNA) – the nucleic acid that contains all genetic
    information for a cell.
28. Double Helix - The shape of DNA that resembles a spiral staircase or a twisted
    ladder.
29. Nucleic Acid - The building block of living organisms that passes genetic
    information from one generation to the next. (e.g. DNA)
30. Nucleotide – a monomer of nucleic acid; consisting of a sugar, phosphate, and a

Answer 6

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Question 7

21. Ionic Bond – formed when one or more electrons are transferred from one atom to
    another.
22. Covalent Bond – forms when electrons are shared between atoms.
23. Valence Electrons - the electrons in the outer shell or energy level that are available
    for bonding.
24. pH - the measure of acidity or alkalinity of a solution.
25. Acid - a substance that dissolves in water to release a hydrogen ion. (H+)
26. Base - a substance that dissolves in water to release a hydroxide ion. (OH-)
27. Deoxyribonucleic Acid (DNA) – the nucleic acid that contains all genetic
    information for a cell.
28. Double Helix - The shape of DNA that resembles a spiral staircase or a twisted
    ladder.
29. Nucleic Acid - The building block of living organisms that passes genetic
    information from one generation to the next. (e.g. DNA)
30. Nucleotide – a monomer of nucleic acid; consisting of a sugar, phosphate, and a

Answer 7

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Question 8

21. Ionic Bond – formed when one or more electrons are transferred from one atom to
    another.
22. Covalent Bond – forms when electrons are shared between atoms.
23. Valence Electrons - the electrons in the outer shell or energy level that are available
    for bonding.
24. pH - the measure of acidity or alkalinity of a solution.
25. Acid - a substance that dissolves in water to release a hydrogen ion. (H+)
26. Base - a substance that dissolves in water to release a hydroxide ion. (OH-)
27. Deoxyribonucleic Acid (DNA) – the nucleic acid that contains all genetic
    information for a cell.
28. Double Helix - The shape of DNA that resembles a spiral staircase or a twisted
    ladder.
29. Nucleic Acid - The building block of living organisms that passes genetic
    information from one generation to the next. (e.g. DNA)
30. Nucleotide – a monomer of nucleic acid; consisting of a sugar, phosphate, and a

Answer 8

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Question 9

21. Ionic Bond – formed when one or more electrons are transferred from one atom to
    another.
22. Covalent Bond – forms when electrons are shared between atoms.
23. Valence Electrons - the electrons in the outer shell or energy level that are available
    for bonding.
24. pH - the measure of acidity or alkalinity of a solution.
25. Acid - a substance that dissolves in water to release a hydrogen ion. (H+)
26. Base - a substance that dissolves in water to release a hydroxide ion. (OH-)
27. Deoxyribonucleic Acid (DNA) – the nucleic acid that contains all genetic
    information for a cell.
28. Double Helix - The shape of DNA that resembles a spiral staircase or a twisted
    ladder.
29. Nucleic Acid - The building block of living organisms that passes genetic
    information from one generation to the next. (e.g. DNA)
30. Nucleotide – a monomer of nucleic acid; consisting of a sugar, phosphate, and a

Answer 9

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