which element has the electron configuration of 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d8

Answers

Answer 1

Answer:

The element that has the electron configuration is Darmstadtium.

Electronic configuration:

Since An element with the electronic configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d¹⁰6p⁶7s²5f¹⁴6d⁸ contains 110 electrons in its electron shells.

Also, the element should be a neutral atom, this number should also equal to its atomic number. Therefore, its atomic number is 110.

The element in the periodic table that has an atomic number of 110 is Darmstadtium, a d-block element, thus a transition metal.

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Answer 2

Answer:

Answer:

Darmstadtium

Explanation:

An element with the electronic configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d¹⁰6p⁶7s²5f¹⁴6d⁸ has 110 electrons in its electron shells.

Since the element is a neutral atom, this number is also equal to its atomic number. Therefore, its atomic number is 110.

The element in the period table that has an atomic number of 110 is Darmstadtium, a d-block element, thus a transittion metal. It also belong to period 7 in the Periodic table of elements.

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NaCO3 + 2HCl = 2NaCl + H2O + CO2. Determine the number of moles of HCl that are needed to produce 4.8 moles of CO2?

Answers

NaCO₃ + 2 HCl = 2 NaCl + H₂O + CO₂

2 moles HCl ----------> 1 mole CO₂
? moles ----------------> 4.8 moles CO₂

moles = 4.8 * 2 / 1

= 9.6 moles of HCl

hope this helps!

Required nutrients in foods that are made by other living organisms are_______

Answers

Answer: Vitamins

Explanation:

they are nutrients that are made by living things

What is the name for the compound S3N2

Answers

Answer:

Sulfur Nitride

.Element Z is a neutral element and has 39 protons. What element is it and how many electrons does it have? (Use the periodic table)

Platinum – 78

Yttrium – 39

Argon – 18

There is not enough information given to determine.

Answers

Answer:

Yttrium – 39

Explanation:

Since the element is neutral and has 39 protons s the atomic number of the element must be 39. Yttrium is the only element in the periodic table with atomic number 39.

Atomic number of an element is equal to the number of protons which is equal to the number of electrons. Since the element is neutral, the number of electrons in Yttrium is also 39.

If the element have 39 protons, that means that his atomic number is 39, being Yttrium the element. And, the number of protons is the same of the number of electrons, so, 39 electrons.

Can you divide II by another factor and still have it be correct? Why or why not?

Answers

Answer:

no, because factors can not be divided

Explanation:

Which element is so active chemically that it occurs naturally only in compounds?1. Potassium
2. Silver
3. Copper
4. Sulfur

Answers

1) POTASSIUM is an element that is chemically active that it occurs naturally only in compounds.

Potassium is one of the alkali metals; alkali metals are the most active metals.
Potassium is so active that it never occurs free in nature. It always occurs in compounds, combined with other elements.

95% of potassium is used as fertilizers, the remaining 5% is divided into creating potassium hydroxide, potassium chloride solution, and potassium carbonate.

Potassium hydroxide is used to make soaps and detergents.
Potassium chloride is used in pharmaceuticals, medical drips, and saline injections.
Potassium carbonate is used in glass manufacturing; particularly, glass used in television sets.
Other potassium salts are used in making iodized salts, used in baking, tanning leather, and photography.

Final answer:

Potassium is the element that is so active chemically that it occurs naturally only in compounds.

Explanation:

The element that is so active chemically that it occurs naturally only in compounds is potassium.

Potassium is a highly reactive alkali metal that is commonly found in nature bonded to other elements in compounds. It is not found in its pure form due to its reactivity.

An example of a compound that contains potassium is potassium chloride (KCl), which is commonly used as a salt substitute.

Learn more about Potassium here:

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