3 years ago

What is the electron configuration for zirconlum?

Chemistry

1 answer:

prisoha [69]3 years ago

8 0

Answer:

1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^2

Explanation:

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The burning of paper is an example of which type of change?

Setler [38]

Answer: B. A chemical Change

Explanation:

The Burning of paper changes the paper into a new substance (ash). So the ashes cannot be reversed into paper, therefore it is a chemical change.

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3 years ago

How do you predict byproduct?

emmasim [6.3K]

Answer:H2So4 -> NaClo -> Cl2 + _______ + H2O are all substances

Explanation:Sulfuric Acid (H2SO4), NaClo Is Sodium hypochlorite, and I’m not saying the rest because Sulfuric Acid+Sodium hypochlorite= the blank space which is sodium sulfate (Na2SO4) here’s a screen shot of something I had found hope this all helps btw sodium sulfate (Na2SO4) is the blank space H2So4 -> NaClo -> Cl2 + _Na2SO4______ + H2O