the proposal that matter, like light, has wave properties in addition to particle properties was chegg

1 answer:

6 0

Answer: Transcribed image text: uis de Broglie proposed that all forms of matter have both wave propcrties and particle properties.

Explanation: Transcribed image text: uis de Broglie proposed that all forms of matter have both wave propcrties and particle properties.

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What is the mass in grams of 2.8 x 10^19 formula units of beryllium nitrate

makkiz [27]

To convert the formula unit to mass, we need to divide the given formula units by Avogadro's number, 6.022 x 10^23 and we get the mole of beryllium nitrate. To convert to mass, we need to multiply the number of moles with the molecular formula of the compound which is 133.022 g/mol.The answer is 0.006185 g or 6.185 mg.

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3 years ago

Which rule for assigning oxidation numbers is correct?

LenKa [72]

Hydrogen is usually –1. This is INCORRECT. The oxidation number for H is +1.
Oxygen is usually –2. This is CORRECT.
A pure group 1 element is +1. This is INCORRECT. It does not follow. This will depend on the other elements and the overall charge.
A monatomic ion is 0. This is INCORRECT. Diatomic ion is 0.

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3 years ago

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The cylinder of aluminum in class was approximately 13mm in circumference and 42mm in length. What would be it's approximate mas

Roman55 [17]

Answer:

Mass, m = 1.51 grams

Explanation:

It is given that,

The circumference of Aluminium cylinder, C = 13 mm = 1.3 cm

Length of the cylinder, h = 4.2 cm

We know that the density of the Aluminium is 2.7 g/cm³