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alekssr [168]
3 years ago
11

What is the electron configuration for bromine

Chemistry
1 answer:
Alika [10]3 years ago
8 0

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5

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Calculate the frequency (in Hertz) of light with a wavelength of 420 nm. What color is the light?
BabaBlast [244]
Speed of light is 3.0*10^8
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3 years ago
How many grams of Co are needed to react with an excess of fe203 to produce 156.2 g FE? show your work.
Gekata [30.6K]

The reaction is given as

Fe2O3 (s)+ 3CO(g)--->3CO2(g)+ 2Fe(s)

No.of moles=mass in gram/molar mass

As for Fe mole =156.2g/55.847=2.7969~2.797

The ratio b/w CO and Fe is 3:2

Moles of CO needed= 2.797x3/2=4.1955

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8 0
3 years ago
A strand of DNA has the following string of bases:
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Answer:

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2 years ago
What is unusual about solid water compared to solids of other materials?
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Solid water is completely clear
3 0
3 years ago
Which elements above will form cations? List them below.
cricket20 [7]

Answer:

Halogens always form anions, alkali metals and alkaline earth metals always form cations. Most other metals form cations (e.g. iron, silver, nickel), whilst most other nonmetals typically form anions (e.g. oxygen, carbon, sulfur).

Explanation:

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