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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. 1,923 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. 640 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. 2,806 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. 1,594 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. 475 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. 1,052 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. 548 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. 561 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. 123 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. 2,898 views