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m_a_m_a [10]
3 years ago
13

What does Nb stand for on the periodic table? Pls help! Need aware soon

Chemistry
2 answers:
laila [671]3 years ago
7 0
It stands for niobium 
Marina86 [1]3 years ago
4 0
It stands for niobium which was discovered in 1801 by Charles Hatchett of Brittan. It is ussed in welding rods, air fraim systems, superconductive magnets. It gets its name from iobe, the daughter of King Tantalus of the Greek myth. Niobium was considered identical to Tantalum, named after Tantalus, until 1884. Resists corrosin due to an oxide film. It is used in aviation industry
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What do atoms form when they share electron pairs molecules isotopes elements?
Ksivusya [100]
The answer to this item is the first choice, MOLECULES. The molecules are the smallest particles of both the compounds and even the biatomic elements. They are made up of atoms that are being held together through chemical bonds of different types depending on the type of atoms that shared the electrons. 
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I need help balancing both equations?
erik [133]

Answer:

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5 0
3 years ago
Plz help me with this:
skad [1K]

Answer:

We are to write the orbital notation and electronic configuration of sulfur and iron.

The orbital notation shows the filling of electrons into orbitals or sublevels.

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S                  16                                   2 8 6                      1s² 2s² 2p⁶ 3s² 3p⁴

Fe                26                                2, 8, 14 2           1s² 2s² 2p⁶ 3s² 3p⁶3d⁶4s²        

Explanation:

8 0
3 years ago
You have a substance with a length of 2 cm, width of 3 cm, and a height of 4 cm. Its density is known to be .5 g/cm3. What is th
borishaifa [10]

Answer:

12 grams

Explanation:

D = m/V

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m = 12g

4 0
2 years ago
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