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pochemuha
3 years ago
7

According to the authors, the most effective means of developing _______________ are instrumental chemistry, microscopy, photoma

crography, other optical methods, and morphology.
Chemistry
1 answer:
blsea [12.9K]3 years ago
6 0

Answer:

Associative Evidence

Explanation:

According to the authors, the most effective means of developing associative evidence are instrumental chemistry, microscopy, photomacrography, other optical methods, and morphology. It is used to provide the link between and evidence and individual involved in a crime.

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when copper is bombarded with high energy electron x rays are emitted.Calculate the energy(in joule) associated with photons if
kakasveta [241]
The answer that i got was three
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3 0
3 years ago
Which statement best describes alpha decay?(1 point)
Veseljchak [2.6K]

Answer:

After the ejection of an alpha particle, the remaining nucleus has a mass number that is four less and an atomic number that is two less, so alpha decay is a type of nuclear fission.

6 0
2 years ago
What is an alkaline earth metal that has 5 shells?
brilliants [131]

Answer:

The elements in the alkaline earth metals group; beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra), have two electrons in their outer electronic shell.

Explanation:

3 0
3 years ago
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Which of the following statements are true about elements and compounds?
Leto [7]
The answer is d hope this helps
3 0
3 years ago
128g of sulphur are burned in excess oxygen. What mass of sulphur dioxide forms? S + O2 --&gt; SO2 *
Rasek [7]

Mass of Sulphur dioxide : 256 g

<h3>Further explanation</h3>

Given

Reaction

S + O2 --> SO2 *

Required

Mass of Sulphur dioxide

Solution

mol of Sulphur (Ar=32 g/mol) :

mol = mass : Ar

mol = 128 : 32

mol = 4

From the equation, mol ratio S : SO2 = 1 : 1, so mol SO2 = 4

Mass of SO2 :

mass = mol x MW SO2

mass = 4 x 64

mass = 256 g

5 0
3 years ago
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