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Stells [14]
3 years ago
7

What is the charge for all elements in group 1A

Chemistry
1 answer:
bearhunter [10]3 years ago
5 0
They are all +1 charges
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Could the mechanism for the reaction of crystal violet with sodium hydroxide consist of one elementary step? Explain.
kondaur [170]

Answer:

Yes

Explanation:

Let's write the reaction as

CV⁺+ OH⁻ ⟶ CVOH

The reaction is first order in [CV⁺] and in [OH⁻], so the rate law is

rate = k[CV⁺][OH⁻]

A bimolecular collision between a crystal violet ion and a hydroxide ion as an elementary step would predict the observed rate law.

However, other plausible mechanisms may predict the same rate law.

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Explanation:

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saul85 [17]

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2 years ago
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In the allene (H2C=C=CH2) molecule:
Marina86 [1]

Answer:

Option c

Explanation:

In the allene, CH_2=C=CH_2

Central atom forms two sigma bond and two pi bond.

Hybridization of central atom = sp

Hybridization of two terminal C = sp^2

Allene is a nonplanar molecules. This is because of the planes of two CH_2 groups which are twisted 90 ° to each other.

Therefore, the two H atoms on one C lie above and below the plane defined by the other CH_2 group.

3 0
3 years ago
Read the summary below. Choose the answer that BEST fits into the blank to complete the summary.
777dan777 [17]

Answer:

An atom has a nucleus, made up protons and neutrons, which is surrounded by a cloud of electrons.

Explanation:

An atom is the smallest indivisible part of any element that takes place in a chemical reactions.

These are the fundamental building blocks of every element and even compounds.

  • There are three known subatomic particles found within an atom.
  • Electrons are the negatively charged particles in an atom
  • Protons are the positively charged particles of an atom
  • Neutrons do not carry any charges.

Both protons and neutrons are located within the tiny space called nucleus at the center of an atom.

Electrons moves round in orbitals at the spaces outside of the nucleus.

4 0
3 years ago
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