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asambeis [7]
3 years ago
13

In sodium chloride the ions are lined up in a __ patterns

Chemistry
1 answer:
adelina 88 [10]3 years ago
6 0
Random or ionic bond pattern
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Which color of light has the greatest energy
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Answer:

violet

Explanation:

Waves with a short wavelength have the most energy. Red waves have a relatively long wavelength (in the 700 nm range), and violet waves are much shorter - roughly half that. Because violet waves have the shortest wavelength of the visible light spectrum, they carry the most energy (google)

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Calculate the density of a block of metal with a volume of 12.5 cm cubed and mass of 126.0 g
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Density is defined as mass/volume (or m/v).

So,

(126.0 g)/(12.5 cm^3)= 10.08 g/cm^3

If your teacher requires correct significant figures, the answer is 10.1 g/cm^3.
If not, the first answer is fine.
3 0
3 years ago
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2 years ago
Identify the base in this acid-base reaction:
yarga [219]

Answer:

\boxed{\text{NaOH}}

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A hydroxide of a metal is a base.

\text{The base is }\boxed{\textbf{NaOH}}

B is wrong. HCl is an acid.

C is wrong. NaCl is a salt.

D is wrong. Water is neutral.

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