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Paraphin [41]
3 years ago
13

Look at the element in group 12, period 4. Hover your mouse over the element to see more about it. Then fill in the following in

formation.
Type the correct answer in each box. Where appropriate, use numerals instead of words.

name:

symbol:

atomic number:

number of protons:

atomic weight:
atomic mass units
Chemistry
1 answer:
Svetlanka [38]3 years ago
4 0

Answer:

name:  zinc

symbol:  Zn

atomic number:  30

number of protons:  30

atomic weight:  65.38  atomic mass units

I hope this helps!

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Explain how to draw the electron-dot diagram for oxygen.
AlexFokin [52]

The electron dot diagram for the oxygen atom shows six electrons around the symbol of the atom.

<h3>What is the electron dot diagram?</h3>

The electron dot diagram is the diagram of atoms of elements showing only the valence electrons present in the atom represented with dots.

The electron dot diagram for the oxygen atom is drawn as follows:

  • The number of valence electrons in oxygen atom is determined; valence electrons = 6
  • The symbol for the oxygen atom is written
  • The valence electrons are shown as dots around the symbol of the element.

In conclusion, the electron dot diagram uses dots around the symbol of an atom to show the valence electrons in the atom.

Learn more about electron dot diagram at: brainly.com/question/5835591

#SPJ1

7 0
1 year ago
2. What is the total mass of Chlorine in ZnCl,?
Vedmedyk [2.9K]

Answer:

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Explanation:

35.5.

relative moleculer mass

6 0
2 years ago
What size volumetric flask would you use to create a 1.00M solution using 166.00 g of KI?
mr Goodwill [35]

Answer:

A 1 liter volumetric flask should be used.

Explanation:

First we <u>convert 166.00 g of KI into moles</u>, using its <em>molar mass</em>:

Molar mass of KI = Molar mass of K + Molar mass of I = 166 g/mol

  • 166.00 g ÷ 166 g/mol = 1 mol KI

Then we <u>calculate the required volume</u>, using the <em>definition of molarity</em>:

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Liters = moles / molarity

  • 1 mol / 1.00 M = 1 L
3 0
2 years ago
What is the solubility of a solid in a solvent?
patriot [66]

Answer:

Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent. It is measured in terms of the maximum amount of solute dissolved in a solvent at equilibrium. ... The solvent is often a solid, which can be a pure substance or a mixture.

Explanation:

5 0
3 years ago
Is this correct please help?
iren [92.7K]

Answer:

\boxed {\tt Number \ and \ unit}

Explanation:

The two requirements for a measurement are a <u>number</u> and a <u>unit.</u>

For example, here is a measurement:

38.6 cm

The <u>number</u> is 38.6 and the <u>unit</u> is cm, or centimeters.

Therefore, both <em>number </em>and <em>unit</em> are correct.

7 0
3 years ago
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