Answer this following question in your own words:  Question 1:  Chemical Formulas Lab  What is a chemical? Does Every Chemical Have a formula? In the past we have used chemicals that we thought were safe that have turned out to cause harm, such as lead. How can we be sure that we are not repeating our mistakes? Should dangerous chemicals be banned or destroyed completely?

Please answer in full sentence: Once an antiviral agent has been found, scientists go about trying to determine the formula of this substance. What steps must they take to determine its formula?

Use the picture below to answer the question. 2 s 7 H LI Be =288 2 11 12 Na Mg 19 20 K Ca Sc Ti 37 38 Rb Sr C s R&R 3 35 Ba 21 22 23 Lu >A $8 103 104 6 7 8 9 74 72 Hf Ta W 105 10 40 42 43 44 45 47 Zr Nb Mo Tc Ru Rh Pd Ag Cd 11 118 12 87 M Fr Ra Lr Rf Db Sg Bh Hs Mt 30 75 76 77 78 79 80 Re Os Ir Pt Au Hg In the periodic table pictured below, some O A. periods B. groups 106 107 108 109 110 111 112 Ds Rg Uub 13 14 15 16 17 25 2258 F 25 05 28 28 of 24 27 29 Cr Mn Fe Co Ni Cu Zn Ga Ge 8 13 Al 31 40 In 81 6 Tl Si 32 Pb 25-22 114 Uuq SA N 15 58 25-08 28 02 Sb Te DEOD 2-2 =2 7A He 25-2222 232 BA 9 10 34 35 36 As Se Br Kr F Ne CI 18 17 Bi Po At Ar 54 Xe Rn are highlighted.

Sulfur is a bright yellow solid at room temperature. It is one of the components in gunpowder, matches, and fireworks. It is added to rubber to make it tougher (vulcanization) and to topical ointments for the treatment of skin disorders. a. What is the molecular formula? b. How many electrons and protons are there in an atom of sulfur? c. Two atoms of sulfur combine with two atoms of chlorine. Is this compound a molecule? What is its name and formula? d. How many neutrons are there in the isotope S-36? e. The naturally occurring isotopes of sulfur, their atomic masses, and abundances are: S-32 :31.97207 amu – 94.93% S-33 : 32.97146 amu – 0.76 % S- 34: 33.96786 amu – 4.29 % S- 36 :35.96708 amu – 0.02 % What is the average atomic mass for sulfur? Show the detailed solution. f. How many atoms are there in 12.55 grams of elemental sulfur (S) ? g. What is the mass of a billion atoms of sulfur? h. Sulfur can combine with oxygen in many different ways. Give five examples of that compound and…