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3 years ago

Color is not very helpful in mineral identification because _____.

Chemistry

2 answers:

zhannawk [14.2K]3 years ago

8 0

Some minerals tend to look alike.

fredd [130]3 years ago

7 0

Answer:

The answer is: Although color is useful as a means of identification, it can sometimes vary depending on the site where it is absorbed by certain wavelengths, and the same mineral can have different colors depending on whether its colors they are their own or induced, for these reasons it would not be very useful to identify them by color.

Explanation:

The color of a mineral is the property that it has of absorbing certain wavelengths, if it does not absorb any it is white, if it absorbs them all it is black. The minerals can have their own colors or induced by the presence of certain chromophores elements that are in the mineral as impurities (Fe, Mn, Cu, Cr, Co, Ni).

The properties that help geologists identify a mineral in a rock are: color, hardness, brightness, crystal shapes, density and cleavage.

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Avogadros number is used to determine the number of subatomic particles in an atom. True or false

Yuliya22 [10]

Answer:

False

Explanation:

The Avogadro's number is not used to determine the number of subatomic particles in an atom.

Subatomic particles of an atom are the protons, neutrons and electrons.

The protons are the positively charged particles in an atom

Neutrons do not carry any charges

Electrons carry negative charges.

The number of protons, neutrons and electrons in an atom are experimentally determine using spectrometric techniques.

7 0

3 years ago

The process that changes a solid directly into a gas is called sublimation. A solid that begins with a mass of 450 g will sublim

cluponka [151]

The mass is conserved, so it stays the same, 450g

5 0

3 years ago

Read 2 more answers

Why are lightning formed in clouds?

VladimirAG [237]

Explanation:

Because opposites attract, the negative charge at the bottom of the storm cloud wants to link up with the ground’s positive charge. Once the negative charge at the bottom of the cloud gets large enough, a flow of negative charge called a stepped leader rushes toward the Earth. The positive charges at the ground are attracted to the stepped leader, so positive charge flows upward from the ground. When the stepped leader and the positive charge meet, a strong electric current carries positive charge up into the cloud. This electric current is known as the return stroke. We see it as the bright flash of a lightning bolt.

Thunder and lightning occur at roughly the same time although you see the flash of lightning before you hear the thunder. This is because light travels much faster than sound

3 0

3 years ago

A chemist determined by measurements that moles of calcium sulfide participate in a chemical reaction. Calculate the mass of cal

Harman [31]

corrected question:

A chemist determined by measurements that 0.03 moles of calcium sulfide participate in a chemical reaction. Calculate the mass of calcium sulfide that participates

Answer:

Explanation:

number of moles of CaS

molar mass of CaS = 40+32 = 72g/mol

number of moles = mass/ molar mass

mass = number of moles * molar mass

mass = 0.03 *72

mass of calcium sulfide = 2.16g

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3 years ago

The compound that cannot have a branched structure is select one:

yanalaym [24]

C3H8

There is only one isomer of propane:

H H H
HC-C-CH
H.H H

It’s easier to see I’m a bond line formula; however, You can see that trying to take a methyl group off and move it results in the same structure.

4 0

4 years ago