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Tomtit [17]
3 years ago
5

Which of the following atoms has a full outer shell?

Chemistry
1 answer:
Liula [17]3 years ago
3 0

Magnesium has a full outer shell because it says +2 for Mg, which means it loses 2 electrons. It leaves Mg with an outer shell of 8 electrons, which is a full valence shell.

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How many molecules are in<br> 6.0 moles of methane (CH4)?
katen-ka-za [31]

Answer:

{ \tt{1 \: mole = 6.02 \times  {10}^{23} \: molecules }} \\ { \tt{6.0 \: moles = (6 \times 6.02 \times  {10}^{23}) \: molecules }} \\  = { \bf{3.612 \times  {10}^{24}  \: molecules}}

8 0
3 years ago
Select the correct answer<br><br> Giving brainliest
Alinara [238K]

Answer:

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3 0
3 years ago
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3. In the apparatus below, the seawater is an example of a(n) ——
san4es73 [151]

In the apparatus of the electrochemical cell, the seawater is an example of an electrolyte.

<h3>What is an electrolyte?</h3>

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Therefore seawater is an example of an electrolyte.

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3 0
2 years ago
HELP ME please i need help with this
nadezda [96]
4)
a) Natural selection will work negatively against rabbits that only eat berries as the drought is preventing berries from growing. It wont have any negative impact on rabbits that only eat grass as the grass is still surviving.

b) The statement ‘population has variations’ is backed up by the fact that the rabbits eat different things. They aren’t all the same. The statement ‘some variations are favorable’ is backed up by the fact that the rabbits that only eat grass are able to survive the drought. Their variation in eating grass instead of berries let’s them live. The statement ‘a population will change over time’ is backed up by the fact that the rabbits that only eat berries will die out. This will not only change the size of the population but going forward will create a population that has more rabbits that eat only grass on account of natural selection.
7 0
3 years ago
The density of gold is 19.3 g/cm3. What is the volume of a 575 gram bar of pure gold?
Gnoma [55]

Answer:

The  answer to your question is: Volume = 29.79 cm³

Explanation:

Data

Density of gold = 19.3 g/cm3

Mass = 575 grams

Formula

density = mass / volume

Volume = mass/density

Volume = 575 g / 19.3 g/cm3

Volume = 29.79 cm³

3 0
4 years ago
Read 2 more answers
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