2 years ago

What is the number of electrons in an atom of scandium

1 answer:

4 0

The nuclear composition and electron configuration of an atom of Scandium 45 and the atomic number is 21 the most common isotype of this element is that nuclear consists of 21 protons and 24 neutrons Scandium is a transition metal group 3 period and the d-block of a periodic table

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The factor that affects how easy and electron can be removed from an Atom is the

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The ionization energy

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3 years ago

What is the empirical formula for a compound if a sample contains 3.72 g of P and 21.28 g of Cl

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M(P)=3.72 g
M(P)=31 g/mol

m(Cl)=21.28 g
M(Cl)=35.5 g/mol

n(P)=m(P)/M(P)
n(P)=3.72/31=0.12 mol

n(Cl)=m(Cl)/M(Cl)
n(Cl)=21.28/35.5=0.60 mol

P : Cl = 0.12 : 0.60 = 1 : 5

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3 years ago

Which power source directs the electrons from oxidation-reduction reactions to flow through a device to give the device power? O

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Explanation:

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2 years ago

Cerebrum is made of ____ matter? 4 letter word

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Gray matter hope this helps!

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3 years ago

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This compound, an eight-carbon alkane, serves as the 100 octane standard for gasoline. It has five methyl groups, one quaternary

Reika [66]

Answer:

2,2,4-Trimethyl-pentane

Explanation:

Structural characteristics of the compound is as follows:

Has five methyl group
Has one quaternary carbon
No. double bond
Gives four monochloro substitution products

Compound must have straight chain of 5 carbons.

Three methyl substituents are attached to 2 and 4 carbons.

Therefore, IUPAC name of the compound will be 2,2,4-Trimethyl-pentane.

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2 years ago