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drek231 [11]
4 years ago
6

Which of the following describes an element? Choose all that apply.

Chemistry
1 answer:
Korvikt [17]4 years ago
8 0

Answer:

A, D,F

Explanation:

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When does diversity within a speices occur
elena-s [515]
A. Over many generations
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4 years ago
Which formula represents a base? lioh hno2 hclo4 hcl
dybincka [34]
LiOH ( <span>Lithium hydroxide ) .

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4 0
3 years ago
Read 2 more answers
Determine the name of the following compound Fe(OH) 3 , Provide explanation of how you determined the name, including the type o
stepan [7]

Answer:

1. Iron(iii) hydroxide

2. It is a base

Explanation:

To determine the name of the compound, we must find the oxidation number Fe in the compound since the oxidation number of O is —2 in all its compound except for peroxide where it —1 and the oxidation number of Hydrogen is always +1 in all its compounds except for hydrides where it is —1. The oxidation number of Fe can calculated as follows:

Fe(OH)3 = 0

O = —2

H = +1

Fe =?

Fe + 3( —2 + 1) = 0

Fe + 3(—1) = 0

Fe —3 = 0

Fe = 3

The oxidation number of Fe in Fe(OH)3 is 3.

Therefore, the name of Fe(OH)3 is Iron(iii) hydroxide

Fe(OH)3 is a base since it contains the OH group

7 0
4 years ago
What were the first 16 elements known in 1760
Len [333]
Hydrogen 
Helium
Lithium
Beryllium
Boron 
Carbon
Nitrogen 
Oxygen 
Fluorine 
Neon
Sodium 
Magnesium 
Aluminum 
Silicon 
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6 0
3 years ago
A chemist measures the amount of bromine liquid produced during an experiment. She finds that 14.4 g of bromine liquid is produc
emmasim [6.3K]

Answer:

\boxed{\text{0.0901 mol}}

Explanation:

\text{Moles} = \text{14.4 g } \times \dfrac{\text{1 mol}}{\text{159.81 g}} = \text{0.0901 mol}\\\\\text{ The sample contains $\boxed{\textbf{0.0901 mol}}$ of bromine}

5 0
3 years ago
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