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3 years ago

In the late 1800s, experiments using cathode ray tubes led to the discovery of the

Chemistry

1 answer:

Luda [366]3 years ago

3 0

In the late 1800s, experiments using cathode ray tubes led to the discovery of the (1) electron

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Orbital notation of h

shutvik [7]

Answer: in the box, put an arrow facing up. Below the box, write 1s

Explanation:

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3 years ago

In a single carbon bond, two carbon atoms share pair of electrons.

torisob [31]

Answer:

C-C

A carbon has 4 valence electrons meaning it can share 4 electrons and is in short of 4 electrons to fill it outer energy shell making it 8. Which results to 2 double covalent bonds ,meaning there was a sharing of 2(4) = 8 electrons . Hope this helps . Your statement above is true .

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3 years ago

Consider a galvanic cell consisting of the following two redox couplesAlB+ 3e Al , Mga + 2e Mg, (ag. E® = 1.676 V ) E° = 2.356 V

malfutka [58]

Answer:

0.68 V

Explanation:

For anode;

3Mg(s) ---->3Mg^2+(aq) + 6e

For cathode;

2Al^3+(aq) + 6e -----> 2Al(s)

Overall balanced reaction equation;

3Mg(s) + 2Al^3+(aq) ----> 3Mg^2+(aq) + 2Al(s)

Since

E°anode = -2.356 V

E°cathode = -1.676 V

E°cell=-1.676 -(-2.356)

E°cell= 0.68 V

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3 years ago

Prokaryotes store their DNA in a nucleus. True or false

kirill [66]

False, because prokaryotes do not have a nucleus.

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Is H20 an atom or a molecule and is it a pure element or a

vfiekz [6]

Atom pure element because of fort nite

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