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BartSMP [9]
3 years ago
6

Drag the item from the idea bank to its corresponding match

Chemistry
1 answer:
babymother [125]3 years ago
5 0
Hope this is helpful

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sucrose is composed of carbon hydrogen and oxygen which of the following is not needed in order to determine the precent by mass
Dimas [21]

Explanation:

It is often desirable to determine the mass percent of elements in a given compound.

To determine the mass percent of elements:

  • Evaluate the formula mass of the compound. This is done by summing the atomic masses of the atoms in the compound together.
  • The mass percentage is determined by pacing the mass contribution of each element or group to the formula mass of the compound and multiply by 100.

Learn more:

Percent by mass brainly.com/question/5544078

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Write the symbol of each neutral element based<br> on its Noble Gas Shorthand configuration:
ki77a [65]

Answer:

1. Co

2. C

3. Ba

Explanation:

4 0
3 years ago
The most reactive metals are the ________ to corrode.
katrin [286]

Answer:

2. quickest

Explanation:

because they have lower activation energy.

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3 years ago
Please I will mark brainliest !!! I need both answered
Brilliant_brown [7]
7 Protons and 7 Neutrons
3 0
3 years ago
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Write the ions present in a solution of K2CO3. Express your answers as chemical formulas separated by a comma. Offset subscripts
meriva

Answer:

K ^+ , CO3 ^2-

Explanation:

The compound is potassium trioxocarbonate(IV).

It contains cation (potassium ion) and acid radical ( trioxocarbonate (IV) ion).

Since K is in group 1 of the periodic table, it loses one electron to form ion i.e K^1. trioxocarbonate IV ion has a charge of 2-.and so the ions of the compound are as shown in the answer above.

8 0
3 years ago
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