(04.07 LC) Which of the following consists of fast moving electrons?

(02.05 MC) How many electrons in an atom can share the quantum numbers n = 2, l = 1, ml = −1?

(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?

(03.07 MC) The table shows the properties of some organic compounds. Compound A Compound B Has long molecular chains with repeated molecular units which form substances like nylon Has a carbon atom double-bonded to an oxygen atom Which statement best identifies compounds A and B?

(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 MC) The four fundamental forces are arranged in the increasing order of their relative strength.(A, B and C represent three of the fundamental forces.)A < B < electromagnetism < CWhich statement is true about the fundamental forces represented by B and C?

(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.

(04.05 MC) The chemical equation for a reaction between KMnO4 and HCl is shown.2KMnO4 + 16HCl → 2MnCl2 + 5Cl2 + 2KCl + 8H2OWhich of the following identifies the reactant that acts as an oxidizing agent in the reaction and explains the answer?

(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 E 8 x 1012 F 1 x 1012 G 4 x 1012 What can most likely be concluded from the above information?