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expeople1 [14]
3 years ago
6

Dichlorosilane is a compound that contains silicon (Si), hydrogen (H), and chlorine (Cl) atoms. It has the chemical formula SiH2

Cl2. Which statement accurately describes dichlorosilane?
Each molecule contains two chlorine atoms.
Each molecule contains three atoms.
Each molecule contains five different elements.
Each molecule contains five compounds.

A or D?
Chemistry
1 answer:
Doss [256]3 years ago
6 0
I think the correct answer is A. Dichlorosilane has a formula of SiH2Cl2. As we can see, for every mole of this compound there will be two atoms of chlorine, two atoms of hydrogen and one atom of silicon. There are 3 different types of atoms involved. And all of this makes up a compound.
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Why do igneous rocks not contain fossils in them ?
Mashutka [201]

Answer:

Igneous rocks do not contain any fossils.

Explanation:

This is because any fossils in the original rock will have melted when the rock melted to form magma. Sedimentary rocks are formed from the broken remains of other rocks that become joined together.

6 0
3 years ago
List six elements with only 1 electron in an s orbital
Verdich [7]

Answer:

Lithium=Li2s^1\\Sodium=Na3s^1\\Potassium=K4s^1\\Rubidium=Rb5s^1\\Cesium=Cs6s^1\\Francium=Fr7s^1

Explanation:

When it comes to electron configuration and orbitals, it's important to first identify what exactly we are trying to identify. Below is a given example:

He1s^2

He=element

1=level

s=orbital

(exponent)^2=electrons

Looking at the periodic table, identify the alkali metal family on the periodic table, or group one elements:

Lithium=Li2s^1\\Sodium=Na3s^1\\Potassium=K4s^1\\Rubidium=Rb5s^1\\Cesium=Cs6s^1\\Francium=Fr7s^1

Notice how each configuration has an exponent of 1, representative of a single electron in their s-orbital.

6 0
3 years ago
Please help! Will give brainliest!!!
Jlenok [28]
D. Liquid Nitrogen is much colder than Water.
5 0
3 years ago
What can fossils tell us about movements of the plates in the past
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8 0
3 years ago
Read 2 more answers
In each reaction box, place the best reagent from the list below. draw the intermediate compound.
Fynjy0 [20]

Answer:

Reagent A: PBr₃

Reagent B: Mg in Et₂O.

Explanation:

Hello,

In this case, your facing a problem in which a carboxylic acid is produced starting by an alcohol. More specifically, cyclopentanol must react with phosphorous tribromide in order to yield bromocyclopentane which is more likely to produce a carboxylic acid, therefore, reagent A is PBr₃.

On the other hand, by means of the production of the specified product, bromocyclopentane must react with carbon dioxide and magnesium in diethyl ether in acidic media to promote the production of the cyclopentanoic acid via the grignard reaction (substitution of the bromine by the carboxyle group), therefore, reagent B is Mg in Et₂O.

Best regards.

8 0
3 years ago
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