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Which of the following correctly lists the number of atoms of each element for the compound...
Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)? Question 3 options: A) Ge < Si < S < O < Ne B) Ne < O < S < Si < Ge C) Ne < S < O < Si < Ge D) Ne < Si < O < S < Ge E) Ne < Ge < Si < S < O
Determine the number of atoms of each element in the empirical formula of a compound with the following composition: 54.95 percent C, 8.455 percent H, 36.60 percent O.
Question 5 4 pts 5. Write an equation to show how Fe2(SO4)3 correctly splits apart into its IONS Fe2(SO4)3-> 3 Fe2+2 50,3 b. Fe2(SO4)3-> 2Fe+3 +3504? Fe (50s);-> 2Fe +352-0,1 d. Fe2(SO4)3-> 2Fe+9+352 . 1202 Fe2(SO4)3->2Fe +350 D Question 1 4 pts 1. Which molecule has polar bonds but is NOT a polar molecule? Please note: lone pairs have been omitted on surrounding atoms, but ARE shown on each central atom. H-O: O-C-0 O-CAS
Determine the number of atoms of each element on each side of the following equations and decide which equations are balanced: 3pb(no)3)2)(aq)+2albr3(aq)-3pbr2(s)+2al(no)3)3)(aq)
Concept check: element, compound formula, atoms, isotopes 1. Fill in the blank: Element symbol Name S AI P Fluorine Carbon Boron Bromine Cr Fe 2. Recognizing compound: Compound How many of each atom in one compound Elements in the compound HO 2 H, 10 H2O C.H.O. NaOH Caco CH,COOH NO. MealPO) Ba(NO)
(12) 2. The chemical formula for cupric phosphate is Fe (SO4)3. Determine the following: a. the number of atoms in two formula units of Fe2(SO4)3 b. the number of sulfur atoms in 1.75 mole of Fe2(SO4)3 c. the mass in grams of 2.65 mol of Fe2(SO4)3 d. the number of moles of Fe2(SO4)3 in 3.45 grams of Fe2(SO4)3 e, the mass in grams of 3 formula units of Fe2(SO4),
In naming a binary molecular compound, the number of atoms of each element present in the molecule is indicated by --- Select one: superscripts О ъ. prefixes suffixes Roman numerals Which of the following can function as a chelating agent? Select one: H2NCH2CH2NH2 ob. NCS CO Od CN Write the chemical formula for aquabromobis(ethylenediamine)chromium(III) chloride. Select one: O a. [CrBr(H20)(en)]Cl3 Ob. [CrBr(H20)(en]CI OC CrBr2(H20)(en)]C12 d. CrBr(H20)(en)]Cl2
Which of the following atoms is correctly listed with its number of valence electrons? Group of answer choices As has 5 Br has 6 S has 7 V has 6 Sb has 15 B has 2 Li has 3
43) Which sequence correctly lists the different levels of biological organization? C. t organ s isms 44) The difference between 12c and "c is B. 2 protons D. 2 carbon atoms. 45) Which of the following molecules is NOT a compound? A. HO B. HCI E. NaOH 46) Characteristics of most living organisms include the ability to Ajrespond and adapt to their environment. Bigrow and reproduce DjA and B only E)aW of the above 47) The maintenance of a relatively...
19) How many of each type of atom are there in the formula Ca3(PO4)2? A) Ca = 3, P = 1,0 = 4 B) Ca 3, P = 2, O = 4 C) Ca = 3, P = 2,0=8 D) Ca = 3, P = 1,0 = 8 E) none of the above le Ol be 20) What is the correct formula of a compound that has ten oxygen atoms and four phosphorus atoms? A) O10P4 B) 100P4 C) 4P010...