3 years ago

What element has 4 valence electrons and 3 orbital shells

1 answer:

3 0

The answer I found was Scandium

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Doss [256]

Answer:

$\% m/m= 14.3\%$

Explanation:

Hello,

In this case, the by mass percent is computed as shown below:

$\% m/m=\frac{m_{solute}}{m_{solute}+m_{solvent}} *100\%$

Whereas the solute is the sugar and the solvent the water, therefore, the concentration results:

$\% m/m=\frac{63g}{63g+378g} *100\%\\\\\% m/m= 14.3\%$

Best regards.

3 0

3 years ago

Mumz [18]

Magic, that how

.....

4 0

3 years ago

kogti [31]

Answer:

A decomposition reaction

Explanation:

It is a decomposition reaction where a single type of chemical compound breaks down into two or more elements or new compounds.

3 0

2 years ago

denis23 [38]

1) convert cm to m

$= 758,422,344\ cm\ x\ \frac{1\ m}{100\ cm} \\= 7,584,223.44\ m$

2) sig figs

When making a bigger number smaller, the exponent will be a positive number.

The answer will be $7.58$ × $10^{6}$ meters after rounding

8 0

3 years ago

TEA [102]

Lithium-Chloride, Carbon-oxide, Barium Bromide, Ferrous Iodide, and Ammonium Chloride. Did this help?

4 0

3 years ago