(02.08 LC) Which of the following is true for a reliable scientific source?

(02.01 LC) Which of the following is a characteristic of durable scientific knowledge?

(02.01 LC) Which of the following provides evidence to support Rutherford’s model of the atomic nucleus?

(04.01 LC) The reactant side of a balanced chemical equation is shown below.Al2(SO4)3 + 3Cl2 →How many chlorine atoms are there on the product side in the equation?

(04.05 MC) Read the following chemical equations.Reaction 1: CH4 + 2O2 → 2H2O + CO2Reaction 2: 2CuO + C → 2Cu + CO2Which of the following statements is true for both the chemical equations?

(04.07 HC) Studying the decay of radioactive isotopes in dead organisms helps scientists to identify fossilized remains. The ratio of C-12 to C-14 in the atmosphere is 1 x 1012. The table shows this ratio inside the body of three organisms. C12/C14 Ratio Organism C12/C14 Ratio A 1 x 1012 B 2 x 1012 C 4 x 1012 What can most likely be concluded from the above information?

(03.06 MC) A concept map for four types of intermolecular forces and a certain type of bond is shown.Compare the relative strength of the two forces A and B. Explain how you determined this comparison by identifying the forces.

(03.07 LC) Which of the following is a property of carbon atoms?

(03.07 MC) The table shows the properties of some organic compounds. Compound A Compound B Has only carbon and hydrogen atoms Has a nitrogen atom Which statement best identifies compounds A and B?

(04.05 MC) Read the following chemical equations.Reaction 1: H2S + Cl2 → 2HCl + SReaction 2: Fe + S → FeSWhich of the following statements is true for both the chemical equations?