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mr_godi [17]
3 years ago
6

Electric current is

Chemistry
1 answer:
lys-0071 [83]3 years ago
6 0
A flow of a electric charge.
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What’s the answer to the question
san4es73 [151]

Answer: B

Explanation: im pretty sure my teacher mentioned something about N--h bonds are non polar

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3 years ago
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Assign oxidation numbers to the element in each of the following compounds. Remember an oxidation number is for one atom of the
worty [1.4K]

Answer:

a.  x = + 2

b.  x = + 3

c.  x = + 2

d.  x = + 3

Explanation:

The oxidation number is a formal charge assigned to an atom present in a molecule or formula unit or ion based on some arbitrary rules.

a.

<u>Hg</u>O

The oxidation number of Hg in HgO is:

x + (-2) = 0

x = +2

b.

<u>Al₄</u>C₃

The oxidation number of Al in Al<u>₄</u>C₃ is:

4x +(3 × -4) = 0

4x - 12 = 0

4x = +12

x = 12/4

x = +3

c. CrF₂

x + ( 2 × - 1) = 0

x - 2 = 0

x = + 2

d. Fe₂S₃

2x + ( 3 × - 2) = 0

2x + (-6) = 0

2x = 6

x = 6/2

x = +3

7 0
3 years ago
3. What are vaccines? Are there different types?​
Inga [223]

Answer:Four types of vaccines are currently available: Live virus vaccines use the weakened (attenuated) form of the virus. The measles, mumps, and rubella (MMR) vaccine and the varicella (chickenpox) vaccine are examples

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Write the net ionic equation for the reaction that takes places between aqueous copper and nitrate.
PIT_PIT [208]

Answer:

Cu+HNO3

Explanation:

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Name this compound (ignore Stereocenter)<br>​
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Compound name:

- Chlorine monofluoride

Formula: ClF

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2 years ago
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