Warm Ocean currents, like the Gulf Stream current, will create a warmer wetter climate like the one in Northeastern United States and Western Europe.

True
or
False

Answer:

Metamorphic rocks are the rocks that arise from the conversion of existing rock types in a process called metamorphism, means changing of forms. Metamorphic rocks are formed from the other rocks that are changing because of heat or pressure applied. One of this example is the Earth movements that causing rocks to deeply bury or squeezed which will make the rocks heated and put under great pressure. They are not melting but the minerals they are containing are changed chemically that will form metamorphic rocks. Sometimes other rocks are formed when the others are close to some molten magma and getting heated.

If im wrong correct me

Answer:

Explanation:

No not always but it is more likely they will

Answer:

Explanation:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s² 5f¹⁴ 6d⁸

The element is Darmstadtium . It is a d block element . Its symbol is Ds . Its atomic no is 110 .

The element having the given electronic configuration with atomic number 110 is Darmstadtium (Ds).

From the electronic configuration, the number of electrons present in the atom can be calculated.

The number of electrons in the given electronic configuration are :

2+2+6+2+6+2+10+6+2+10+6+2+14+10+6+2+14+8

The number of electrons in the given configuration = 110

The number of electrons in the atoms has been equal to the atomic number. The element having the atomic number 110 is Darmstadtium.

The element belongs to the d block with the symbol Ds. It has been an artificially produced element.

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Answer:

+3

Explanation:

If an atom loses electrons, it becomes positive. Because silver loses 3 electrons, the charge becomes positive 3.

Answer:

unbalanced force

Explanation:

Answer:

unbalenced ehhhhhh hi

Explanation:

Answer:

Be,Mg,Ca,Sr,Ba.Ra[down the group electronegativity is decreasing]

Explanation:

The following elements in order of decreasing electronegativity are:

Beryllium > Magnesium > Calcium > Strontium > Barium > Radium.

Electronegativities decrease from top to bottom within a group of elements. The order of decreasing electronegativities F > Cl > Br > I is another sequence that we will use to interpret the chemical and physical properties of organic compounds.

In the periodic table, atomic radii decrease from left to right across a row and increase from top to bottom down a column. Because of these two trends, the largest atoms are found in the lower-left corner of the periodic table, and the smallest are found in the upper right corner.

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Answer:

50

Explanation:

atomic mass of an element is the sum of protons and neutrons as electro is negligible in weight.

Answer:

the answer is C.) Women tend to smell more odors than men.

Explanation:

The statements is true about the sense of smell is women tend to smell more odors than men.

Sense is defined as a biological system utilized by an organism for sensation, which is the process of acquiring information about the environment and responding to stimuli.

Sense organ is defined as a physiological part that is altered by a stimulus in such a way that it causes activation of associated sensory nerve fibers, which transmit specific impulses to the central nervous system, where they are processed as corresponding sensations.

It can also be defined as a portion of the body that allows you to feel the physical features of a scenario.

Ears, eyes, nose, tongue, skin are the five important sense organs of our body.

Thus, the statements is true about the sense of smell is women tend to smell more odors than men.

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Answer: Some reptiles, amphibians , fish and invertebrates carry their developing young inside them.

Explanation: Some of them :)

Answer:

Second Ionization energy, IE₂ = 7.27 x 10³ kJ/mol

Explanation:

Using En = -2.18 x 10¹⁸ J (Z²)(1/n²)

Z = atomic number; n = energy state of electron

Lithium has atomic number, Z = 3

Energy for n = 1:

E₁ = -2.18 x 10¹⁸ J (3²)(1/1²) = -1.962 x 10⁻¹⁷ J

When an electron is completely remove from an atom, n = ∞

Energy for n = ∞:

E∞ = -2.18 x 10¹⁸ J (3²)(1/∞²) = 0 J

Energy absorbed by the electron in order to be removed from the atom completely, ΔE = E∞ - E₁

ΔE = 0 - (-1.962 x 10⁻¹⁷ J) = 1.962 x 10⁻¹⁷ J = 1.962 x 10⁻²⁰ kJ

Ionization energy in kJ/mole of Li²⁺ ions, IE₃ is then calculated thus:

1 mole of Li²⁺ ions contains 6.02 x 10²³ ions

Ionization energy in kJ/mole of Li²⁺ ions = 1.962 x 10⁻²⁰ kJ x 6.02 x 10²³ = 1.185 x 10⁴ kJ/mol

Total energy, Etotal = IE₁ + IE₂ + IE₃

Second Ionization energy, IE₂ = Etotal - ( IE₁ + IE₃

IE₂ = 1.960 x 10⁴ kJ/mol - (520 kJ/mol + 1.185 x 10⁴ kJ/mol)

IE₂ = 7.27 x 10³ kJ/mol

Answer:

B.

Explanation:

just did it

C3H8 + 5O2 → 3CO2 + 4H2O .

This reaction is balanced correctly because number of atoms on reactant side and product side are same.

Answer:

How many protons the elements has.

Explanation:

It is the atomic number, and that is the number of protons that an element has.

Answer:

The number at the bottom left shows the atomic number of the element. It’s the number of protons in the nucleus.

Explanation:

Answer:

Nuclear Regulatory Commission

Answer:

The atomic mass of second isotope is 112.926 amu.

Explanation:

Given data:

Average atomic mass of indium = 114.818 amu

Atomic mass of one isotope = 114.903 amu

Percentage abundance of 1st isotope = 95.70%

Mass of other isotope = ?

Solution:

First of all we will calculate the percentage abundance second isotope.

100 -  95.70% = 4.3%

percentage abundance of second isotope = 4.3%

Now we will calculate the mass if second isotope.

Average atomic mass of indium = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

114.818 = (114.903×95.70)+(x×4.3) /100

114.818 =   10996.2171 + (x4.3) / 100

114.818×100 = 10996.2171 + (x4.3)

11481.8 -  10996.2171  = (x4.3)

485.583 = x

x = 485.583 /4.3

x = 112.926

The atomic mass of second isotope is 112.926.

Answers and Explanation:

b) Complete electron configuration of Se:

1 s² 2 s²p⁶ 3 s²p⁶ 4 s²p⁴

Se has 4 energy levels, with an incomplete 4th level (they are necessary 2 electrons to complete p orbital in the 4th level).

c) The first ionization energy of Se

i) is less that of bromine (Br) because the first ionization energy increases from left to right in a period in the Periodic Table. Se and Br are in the same period, and Se is located to the left of Br so Se has lesser ionization energy than Br.

ii) is greater than that of tellurium (Te) because the first ionization energy decreases from top to bottom in a group in the Periodic Table. Se and Te are in the same group, and Se is at the top of Te. Hence, Se has a greater first ionization energy than Te.

Complete electron configuration of Selenium is [tex]\rm 1s^2\;2s^2\;2\;p^6\;3\;s^2\;3\;p^6\;4\;s^2\;4\;p^4[/tex]

The first ionization energy of selenium is less than that of bromine as

Se and Br belong to same period.

The first ionization energy of selenium greater than that of tellurium as

Se and Te belong to same group.

Se has been a nonmetal with atomic number 34.

b. The complete electron configuration of Selenium has been given as:

[tex]\rm 1s^2\;2s^2\;2\;p^6\;3\;s^2\;3\;p^6\;4\;s^2\;4\;p^4[/tex]

The number of unpaired electrons in the ground state has been 2, as p sub shell occupies 6 electrons. The presence of 4 electrons made 2 unpaired electrons available.

c. The first ionization energy has been the amount of energy required to remove an electron form the ground state of the atom. In the periodic table on moving down the group there has been an decrease in the first ionization energy with the decrease in nuclear attraction on the outer most shell.

On moving from left to right, there has been an increase in first ionization energy with the increase in attraction force due to the increase electron in a shell.

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Answer:

A

Explanation:

I took intro to biotechnology

Answer:

In 100 ways

Explanation:

Which activity removes a large amount of alcohol from the body? After alcohol has been consumed and reaches the bloodstream, up to 10% of the alcohol is disposed of through the urine, and 80% to 90% by oxidation in the liver. The average drinker eliminates about 2/3 of a standard drink unit (a shot) per hour.

Answer:

Nitrogen and Oxygen

Explanation:

Nitrous oxide, commonly known as laughing gas or nitrous, is a chemical compound, an oxide of nitrogen with the formula N2O.

Answer:

7 g of O2

Explanation:

For 1-C2 2-O2 are needed

3.50 + 3.50 = 7.00

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7 g is needed to produce 3.50 g of co2

The question can be solved as follows

= 3.50(2)

=7

Hence 7 g is needed to make 3.50 g of co2

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Answer:

3

Explanation:

Significant figures are the number of digits in a value, often a measurement, that to the degree of accuracy of the value. All non-zero numbers ARE significant. ...

Zeros between two non-zero digits ARE significant. ...

Leading zeros are NOT significant. ...

Trailing zeros to the right of the decimal are significant. ...

Trailing zeros in a whole number with the decimal shown ARE significant.contributes

Answer: 3 significant figures

Explanation:

Answer:

B

Explanation:

Answer:

1. D/E

2. D/J

3. B/F

4. D or G/I

5. A

Explanation:

This is about sort of concentrations:

1- Molarity

Moles of solute in 1 L of solution

(we can also say, mmoles of solute in 1 mL)

2- Molality

Moles of solute in 1kg of solvent

3. mass %

grams of solute in 100g of solution

4. mole fraction

moles of solute or solvent per moles of solution

5. ppm

mg of solute in 1kg of solution

(we can also say μg of solute in 1 g of solution, or mg solute in 1L of solution)