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Dennis_Churaev [7]
3 years ago
10

The main building block of a silicate mineral is _____.

Chemistry
2 answers:
galben [10]3 years ago
8 0
<span>The main building block of all silicate mineral is tetrahedron</span>
baherus [9]3 years ago
4 0

Answer:

silicon-oxygen tetrahedron is the correct answer.

Explanation:

The main building block of a silicate mineral is silicon-oxygen tetrahedron. Silicon-oxygen tetrahedron belongs to the anionic group and the silicon atom is surrounded by four oxygen atom, arranged to determine the edges of a tetrahedron.

This silicate ion consists of one silicon atom, placed in the middle of a tetrahedron and surrounded by four oxygen atom, placed at vertices of a tetrahedron.

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Odor extensive or intensive
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Answer:

Odour is intensive

Explanation:

intensive properties are Independent of the amount of matter

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3 years ago
Which of the following electron configurations correspond to an excited state? Identify the atoms and write the full, ground sta
Aleksandr [31]
I think it’s 1s22s23p1 not sure doe
8 0
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2. Which of the following accurately pairs
My name is Ann [436]

Answer:

C. Electron-negative charge

Explanation:

The electron is subatomic particle that revolve around outside the nucleus and has negligible mass. It has a negative charge.

Symbol= e⁻

Mass= 9.10938356×10³¹Kg

It was discovered by j. j. Thomson in 1897 during the study of cathode ray properties.

He constructed the glass tube and create vacuum in it. He applied electric current between electrodes. He noticed that a ray of particles coming from cathode to wards positively charged anode. This ray was cathode ray.

Properties of cathode ray:

The ray is travel in straight line.

The cathode ray is independent of composition of cathode.

When electric field is applied cathode ray is deflected towards the positively charged plate.

Hence it was consist of negatively charged particles.

While neutron and proton are present inside the nucleus. Proton has positive charge while neutron is electrically neutral. Proton is discovered by Rutherford while neutron is discovered by James Chadwick in 1932.

Symbol of proton= P⁺

Symbol of neutron= n⁰

Mass of proton = 1.672623×10⁻²⁷ Kg

Mass of neutron = 1.674929×10⁻²⁷ Kg

An atom consist of electron, protons and neutrons. Protons and neutrons are present with in nucleus while the electrons are present out side the nucleus.

All these three subatomic particles construct an atom.

8 0
3 years ago
As a substance changes fees from gas to liquid to solid :
Korolek [52]

I would say that the density increases because the distance between the molecules decreases, and therefore becomes smaller, and vice versa the density increases, and that is a physical change not a chemical change.

3 0
2 years ago
Read 2 more answers
Can a substance be cooled to a temperature below its freezing point
Fittoniya [83]
Pure, crystalline solids have a characteristic melting point, the temperature at which the solid melts to become a liquid. The transition between the solid and the liquid is so sharp for small samples of a pure substance that melting points can be measured to 0.1oC. The melting point of solid oxygen, for example, is -218.4o<span>C.</span>
5 0
3 years ago
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