All categories

3 years ago

The valence electrons occur in what part of the atom?

Chemistry

2 answers:

ICE Princess25 [194]3 years ago

8 0

Answer:

the answer is c

Explanation:

shutvik [7]3 years ago

7 0

The correct answer to the question that is stated above is letter c, the outer electron shell.

Valence electrons occur in the outermost shells of an atom.

>> Valence electrons are electrons that are associated with an atom, and that can participate in the formation of a chemical bond.

You might be interested in

What is the answer?

rosijanka [135]

A generator because they connect each other in physical attraction

7 0

3 years ago

Read 2 more answers

If equal volumes of 0.1 M HCl and 0.2 M TRIS (base form) are mixed together. The pKa of TRIS is 8.30. Which of the following sta

blondinia [14]

Answer:

option D is correct

D. This solution is a good buffer.

Explanation:

TRIS (HOCH $_{2}$ ) $_{3}$ CNH $_{2}$

if TRIS is react with HCL it will form salt

(HOCH $_{2}$ ) $_{3}$ CNH $_{2}$ + HCL ⇆ (HOCH $_{2}$ ) $_{3}$ NH $_{3}$ CL

Let the reference volume is 100

Mole of TRIS is = 100 × 0.2 = 20

Mole of HCL is = 100 × 0.1 = 10

In the reaction all of the HCL will Consumed,10 moles of the salt will form

and 10 mole of TRIS will left

hence , Final product will be salt +TRIS(9 base)

H = Pk $_{a}$ + log (base/ acid)

8.3 + log(10/10)

8.3

6 0

3 years ago

A solution labeled "0.105 M NaOH" would contain ______________ moles of NaOH in each liter of solution.

koban [17]

It would contain 0.105M moles of NaOH in each liter of solution

5 0

3 years ago

Element

Katyanochek1 [597]

Answer:

the two elements are in the same period, with element R the first element in the period and element Q the last element

8 0

3 years ago

The electron affinity of an element is positive if energy is absorbed during the process of accepting an electron and negative i

julsineya [31]

Answer:

See explanation

Explanation:

Electron affinity is the energy released when an extra electron is added to a neutral gaseous atom. A negative value of electron affinity indicates that energy is given out and vice versa.

Metals have positive electron affinity since electrons rarely accept electrons, so;

Na(g)+ 1e^- → Na^-(g) positive

Mg(g)+1e^- → Mg^-(g) positive

For the last case; Br(g)+ 1e^- → Br^-(g), the electron affinity for the non-metals is negative. hence the answer

5 0

3 years ago