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CAMPBELL BIOLOGY EXAM 1 QUESTIONS WITH VERIFIED ANSWERS
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CAMPBELL BIOLOGY EXAM 1 QUESTIONS WITH VERIFIED ANSWERS
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CAMPBELL BIOLOGY EXAM 1QUESTIONS WITH VERIFIED ANSWERS
Scientific method: - Answer-1) Observation
2) Question
3) Hypothesis
4) Design an experiment
5) Prediction
6) Do experiment/collect data
7) Analyze data
What 4 elements make up 96% of living matter? - Answer-Carbon, hydrogen, oxygen,
nitrogen
Atomic Number - Answer-Number of protons in the nucleus
Mass Number - Answer-Sum of protons and neutrons
Isotopes - Answer-Different number of neutrons
Radioactive isotope - Answer-decay spontaneously, giving off energy
Valence Electrons - Answer-found in outermost shell (valence shell)
Covalent Bond - Answer-shared electrons
Ionic bond - Answer-strip electrons from their bonding partners
Hydrogen bond - Answer-Bond two hydrogen
Solution - Answer-liquid that is completely homogenous mixture of substances
Solvent - Answer-Dissolving agent in a solution
Solute - Answer-Substance that is being dissolved
Hydrophilic (polar) - Answer-affinity for water
Hydrophobic (nonpolar) - Answer-doesn't have affinity for water
Acid - Answer-Any substance that increases the H+ concentration of a solution
Base - Answer-Any substance that reduces the H+ concentration of a solution
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