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Anonymous

May 13

#geology #chemistry #science

What is mineral describe as ordered atomic structure?

2 1

Anonymous

May 13

#geology #chemistry #science

Based on Minerals describe describe the following Natural occurring, Homogeneous solid, Definite chemical composition, and Ordered atomic structure?

2 1

Anonymous

May 13

#chemistry #Petrology-and-ore-deposits #science

What is inorganic based on minerals? ?

2 1

Anonymous

May 12

#chemistry #science

Element X has two isotopes in nature.One isotope has an atomic mass of 1069 amu with 50 percent. The atomic mass of the other isotope is 109,91 amu? And what is element X?

2 1

Anonymous

May 12

#chemistry #atomic-structure

Element X has two isotopes in nature.One isotope has an atomic mass of 1069 amu with 50 percent. The atomic mass of the other isotope is 109,91 amu?

2 1

Anonymous

May 12

#comparison #chemistry #ch #atomic-radius #metals #ionic-radius

Ionic radius for metals is smaller than corresponding atomic radius?

2 1

Anonymous

May 12

#chemistry #science

Oxidation number?

2 1

Anonymous

May 12

#chemistry #science

Most reactive non metal ?

3 1

Anonymous

May 12

#chemistry

Synthesize 2-methyl bromo ?

2 1

Kabegna Solomon

May 11

#chemistry #science #physics

Briefly how the law of definite proportion is explained by the atomic theory?

2 1

Kabegna Solomon

May 11

#chemistry #science

When 1.250 Hydrogen Peroxide is fully decomposed to its elements, 0.074 of hydrogen obtained. What about Oxygen obtained?

2 1

Kabegna Solomon

May 11

#mathematics #chemistry

A sample of commercial concentrated sulfuric acid contains 98 percent H2SO4 by mass and has a density of 1.84 g/mL. then, � what is Molarity, Normality, Mole fraction and Molality?

2 1

Kabegna Solomon

May 11

#chemistry #science

Hydrogen peroxide is composed of two elements: hydrogen and oxygen. In an experiment, 1.250 g of hydrogen peroxide is fully decomposeed. If 0.074g of hydrogen are obtained, what about Oxygen?

2 1

Anonymous

May 11

#chemistry #science

The reaction scheme below is for the extraction of aluminium.Study it then answer the question that follow ?

2 1

the-reaction-scheme-below-is-for-the-extraction-of-aluminium-study-it-then-answer-the-question-that-follow

2 0

Anonymous

May 11

#metallurgy #chemistry #science

In the extraction of aluminium, the oxide of the metals is dissolved in molten cryolite before it is electrolysed.Explain?

2 1

Anonymous

May 10

#chemistry

Which one is high electroaffinity between fluorine and chlorine?

2 1

Anonymous

May 10

#chemistry #biology

Explain the secondary structure of the protein?

2 1

James Mahanyu

May 10

#chemistry

provide the oxidation number for the stirred atom in Fluorene and Fluorenone?

provide the oxidation number for the stirred atom in Fluorene and Fluorenone

2 1

Anonymous

May 10

#chemistry #science

Explain the polarity of water?

2 1

Anonymous

May 10

#chemistry #biology #science

State the four classes of organic compound found in a biological system?

2 1