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(a)
Interpretation:
The S element needs to be classified as metals, non-metals,
Concept introduction:
In the modern periodic table, all the known elements are arranged in organized tabular manner (having groups and periods) based on their
Elements are also classified based on metal, non-metals, transition element and post- transition elements in modern periodic table.
Modern periodic table is represented as follows:
(b)
Interpretation:
The Sc element needs to be classified as metals, non-metals, transition elements or post transition elements.
Concept introduction:
In the modern periodic table, all the known elements are arranged in organized tabular manner (having groups and periods) based on their atomic number. In this table, atomic number, chemical symbol with its chemical name and average atomic mass is written.
Elements are also classified based on metal, non-metals, transition element and post- transition elements in modern periodic table.
Modern periodic table is represented as follows:
(c)
Interpretation:
The Se element needs to be classified as metals, non-metals, transition elements or post transition elements.
Concept introduction:
In the modern periodic table, all the known elements are arranged in organized tabular manner (having groups and periods) based on their atomic number. In this table, atomic number, chemical symbol with its chemical name and average atomic mass is written.
Elements are also classified based on metal, non-metals, transition element and post- transition elements in modern periodic table.
Modern periodic table is represented as follows:
(d)
Interpretation:
The Si element needs to be classified as metals, non-metals, transition elements or post transition elements.
Concept introduction:
In the modern periodic table, all the known elements are arranged in organized tabular manner (having groups and periods) based on their atomic number. In this table, atomic number, chemical symbol with its chemical name and average atomic mass is written.
Elements are also classified based on metal, non-metals, transition element and post- transition elements in modern periodic table.
Modern periodic table is represented as follows:
(e)
Interpretation:
The Sr element needs to be classified as metals, non-metals, transition elements or post transition elements.
Concept introduction:
In the modern periodic table, all the known elements are arranged in organized tabular manner (having groups and periods) based on their atomic number. In this table, atomic number, chemical symbol with its chemical name and average atomic mass is written.
Elements are also classified based on metal, non-metals, transition element and post- transition elements in modern periodic table.
Modern periodic table is represented as follows:
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Chapter 2 Solutions
EBK CHEMISTRY: PRINCIPLES AND REACTIONS
- Please answer the questions in the photos and please revise any wrong answers. Thank youarrow_forward(Please be sure that 7 carbons are available in the structure )Based on the 1H NMR, 13C NMR, DEPT 135 NMR and DEPT 90 NMR, provide a reasoning step and arrive at the final structure of an unknown organic compound containing 7 carbons. Dept 135 shows peak to be positive at 128.62 and 13.63 Dept 135 shows peak to be negative at 130.28, 64.32, 30.62 and 19.10.arrow_forward-lease help me answer the questions in the photo.arrow_forward
- For the reaction below, the concentrations at equilibrium are [SO₂] = 0.50 M, [0] = 0.45 M, and [SO3] = 1.7 M. What is the value of the equilibrium constant, K? 2SO2(g) + O2(g) 2SO3(g) Report your answer using two significant figures. Provide your answer below:arrow_forwardI need help with this question. Step by step solution, please!arrow_forwardZn(OH)2(s) Zn(OH)+ Ksp = 3 X 10-16 B₁ = 1 x 104 Zn(OH)2(aq) B₂ = 2 x 1010 Zn(OH)3 ẞ3-8 x 1013 Zn(OH) B4-3 x 1015arrow_forward
- Help me understand this by showing step by step solution.arrow_forwardscratch paper, and the integrated rate table provided in class. our scratch work for this test. Content attribution 3/40 FEEDBACK QUESTION 3 - 4 POINTS Complete the equation that relates the rate of consumption of H+ and the rate of formation of Br2 for the given reaction. 5Br (aq) + BrO3 (aq) + 6H (aq) →3Br2(aq) + 3H2O(l) • Your answers should be whole numbers or fractions without any decimal places. Provide your answer below: Search 尚 5 fn 40 * 00 99+ 2 9 144 a [arrow_forward(a) Write down the structure of EDTA molecule and show the complex structure with Pb2+ . (b) When do you need to perform back titration? (c) Ni2+ can be analyzed by a back titration using standard Zn2+ at pH 5.5 with xylenol orange indicator. A solution containing 25.00 mL of Ni2+ in dilute HCl is treated with 25.00 mL of 0.05283 M Na2EDTA. The solution is neutralized with NaOH, and the pH is adjusted to 5.5 with acetate buffer. The solution turns yellow when a few drops of indicator are added. Titration with 0.02299 M Zn2+ requires 17.61 mL to reach the red end point. What is the molarity of Ni2+ in the unknown?arrow_forward
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