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The radius of a niobium

The mass of a single niobium atom is 1.54E-22 grams. How many niobium atoms would there be in 312 milligrams of niobium?
1. 1 answer
2. asked by love
3. 1,860 views
The radius of a niobium atom is 131 pm. How many niobium atoms would have to be laid side by side to span a distance of 3.20 mm?
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2. asked by lisah
3. 584 views
The radius of a niobium atom is 131 pm. How many niobium atoms would have to be laid side by side to span a distance of 1.4 mm??
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2. asked by Hannah
3. 2,744 views
The radius of a niobium atom is 131 pm. How many niobium atoms would have to be laid side by side to span a distance of 4.53 mm?
1. 2 answers
2. asked by estefania
3. 1,540 views
Calculate the surface energy of the (100) surface of niobium. The enthalpy of atomization of niobium is 745 kJ/mole. Express
1. 3 answers
2. asked by harry
3. 428 views
Calculate the surface energy of the (100) surface of niobium. The enthalpy of atomization of niobium is 745 kJ/mole. Express
1. 12 answers
2. asked by selly
3. 993 views
Calculate the surface energy of the (100) surface of niobium. The enthalpy of atomization of niobium is 745 kJ/mole. Express
1. 12 answers
2. asked by Ankur
3. 503 views
calculate the surface energy of 100 surface of niobium. The enthalpy of atomization of niobium is 745 kj/mol. express anser
1. 5 answers
2. asked by larry
3. 503 views
Analyze the symbol of Niobium. What is TRUE of the atomic number, mass number, number of protons and number of neutrons? Select
1. 1 answer
2. 89 views
The volume of a single niobium atom is 9.46E-24 cm3. What is the volume of a niobium atom in microliters?
1. 4 answers
2. asked by love
3. 2,846 views