WebAn element with three stable isotopes has 82 protons. The separate isotopes contain 124, 125, and 126 neutrons. Identify the element and write symbols for the isotopes. Given: number of protons and neutrons Asked for: element and atomic symbol Strategy: Refer to the periodic table and use the number of protons to identify the element. WebWhat is the mass of 6 atom(s) of copper in grams? A) 381.3 g B) 1.58 x 10^21 g C) 6.38 x 10^(-24) g D) 6.022 x 10^23 g E) 6.33 x 10^(-22) g; What is the total number of …
Question: How many protons are in 2.66 x 10-21 g of F?
WebHow many protons are in 2.08 x 10-21 g of F? Question How many protons are in 2.08 x 10 -21 g of F? Expert Solution Want to see the full answer? Check out a sample Q&A here See Solution star_border Students who’ve seen this question also like: Chemistry In Focus Atoms And Elements. 44E expand_more Want to see this answer and more? WebThe atomic number is the number of protons in all chlorine atoms and is found on the top of the symbol in the periodic table. You should do the following worksheets, which were … flower shops bangor co down
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Web23 jun. 2016 · Avogadro's constant says that 1 mole of any atom contains 6.022 ⋅ 1023 atoms. In this case you have 3.40 ⋅ 1022 atoms: 3.40⋅ 1022 atoms 6.022 ⋅ 1023 atoms mol = 5.65 ⋅ 10−2mol. Step 2. The atomic mass of helium (He) will give you the weight of one mole of this molecule: 1 mol = 4.00 gram: 4.00 g mol ⋅ 5.65 ⋅ 10−2mol = 0.226g. WebHow many protons are in 2.08 x 10-21 g of F? Show transcribed image text Expert Answer 100% (1 rating) 1. No. of mol = Mass of sample / Molar mass = 208.7 / 38.41 = 5.433 mol 2. Molar mass of Ca (NO … View the full answer Transcribed image text: A compound has a molar mass of 38.41 g/mol. WebHow many atoms are contained in 3.46 moles of magnesium? 2.08 X 10^24 atoms Mg Convert 256.3 g of sodium carbonate to formula units. 1.46 X 10^24 fu Na2CO3 What is the mass of 12.4 molecules of carbon tetrachloride? 3.17 X 10^-21 g CCl4 How many moles are contained in 0.43 g aluminum oxide? 0.004 mol Al2O3 flower shops bartlett tn