Electronegativity is a measure of an atoms ability to

Answers

Answer 1

Answer: Electronegativity is the measure for an atom to attract a bonding pair of electrons in a covalent bond.

Answer 2

Answer:

Final answer:

Electronegativity is a measure of an atom's ability to attract electrons in a bond. It determines the distribution of shared electrons and can result in polar or nonpolar bonds.

Explanation:

Electronegativity is a measure of the tendency of an atom to attract electrons towards itself in a bond. It determines how the shared electrons are distributed between the two atoms. The more electronegative an atom is, the stronger it attracts electrons, resulting in a more polar bond.

For example, in the bond between hydrogen and chlorine (H-Cl), chlorine is more electronegative than hydrogen. Therefore, chlorine attracts the shared electrons more strongly, giving it a partial negative charge while hydrogen has a partial positive charge.

Learn more about Electronegativity here:

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A heterogeneous mixture is one in which substances are evenly distributed and have a uniform composition

Answers

If you’re asking if this is true or false, it is false . A HOMOGENEOUS mixture is one the where the substances are evenly distributed and have a uniform composition, while a HETEROGENEOUS mixture is uneven and the substances are part from each like oil and water.

A pain-relieving pill has a mass of 0.005 g. Express the pill’s mass in grams using scientific notation or in milligrams.

Answers

Answer : The mass represented in scientific notation as $5.0* 10^(-3)g$ and the mass in milligram is, 5 mg

Explanation :

Scientific notation : It is the representation of expressing the numbers that are too big or too small and are represented in the decimal form with one digit before the decimal point times 10 raise to the power.

For example :

5000 is written as $5.0* 10^3$

889.9 is written as $8.899* 10^(-2)$

In this examples, 5000 and 889.9 are written in the standard notation and $5.0* 10^3$ and $8.899* 10^(-2)$ are written in the scientific notation.

If the decimal is shifting to right side, the power of 10 is negative and if the decimal is shifting to left side, the power of 10 is positive.

As we are given the 0.005 g in standard notation.

Now converting this into scientific notation, we get:

$\Rightarrow 0.005g=5.0* 10^(-3)g$

As, the decimal point is shifting to right side, thus the power of 10 is negative.

Thus, the mass represented in scientific notation as $5.0* 10^(-3)g$

Now we have to determine the mass in milligram.

The conversion used from gram to kilogram is:

1 gram = 1000 milligram

or,

1 g = 1000 mg

As we are given the mass 0.005 grams.

As, 1 gram mass = 1000 mg

So, 0.005 gram mass = $(1000g)/(1g)* 0.005mg=5mg$

The mass in milligram is, 5 mg

$\boxed{ \ 5.0 * 10^(-3) \ grams \rightarrow 5.0 \ milligrams \ }$

Further explanation

Scientific notation represents the precise way scientists handle exceptionally abundant digits or extremely inadequate numbers in the product of a decimal form of number and powers of ten.

Put differently, such numbers can be rewritten as a simple number multiplied by 10 raised to a certain exponent or power. It is a system for expressing extremely broad or exceedingly narrow digits compactly.

Scientific notation should be in the form of

$\boxed{ \ a * 10^n \ }$

where

$\boxed{ \ 1 \leq a \ < 10 \ }$

The number "a" is called "mantissa" and the exponent "n" the order of magnitude.

The exponent tells about the size of the number.

A positive exponent indicates a number greater than or equal to 1.
A negatifive exponent indicates a number between 0 and 1.

From the key questions asked, we face the standard form of 0.005 grams which will be converted into scientific notation.

$0.005 = (5)/(1,000)$

The coefficient (or mantissa) is 5, which has fulfilled the interval 1 ≤ a < 10.
The denominator consists precisely of three zero digits.

Hence, 0.005 grams is written in scientific notation as $\boxed{ \ 5.0 * 10^(-3) \ grams \ }$

Because 1 milligrams is equal to 10⁻³ grams, then

$5.0 * 10^(-3) \ grams * (1 \ milligrams)/(10^(-3) \ grams)$

Hence, 0,005 grams is 5.0 milligrams.

In science, we frequently must deal with extremely small or incredibly large quantities. For a typical example, one of the recognized limitations of the microwave frequency is 300,000,000 Hz with a photon energy of 0.00000124 eV. They with many zeros can be impractical to work with, so scientists properly implement scientific notation.

The inverse of scientific notation is the standard form. To promptly change scientific notation into standard form, we reverse the process, move the decimal point to the right or left. This expanded form is called the standard form.

$\boxed{ \ 3.0 * 10^(8) \ Hz \ \rightarrow 300,000,000 \ Hz \ or \ 300 \ MHz \ }$

$\boxed{ \ 0.00000124 \ eV \ \rightarrow 1.24 * 10^(-6) \ eV \ or \ 1.24 \ \mu eV \ }$

Learn more

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Keywords: a pain-relieving pill has a mass, 0.005 grams, express, written, in scientific notation, milligrams, expanded form, exponent, base, standard form, mantissa, the order of magnitude, power, decimal, very large, small, figures, abundant digits, inadequate

WORTH 40 POINTSOK so I’m doing a science fair project and I need a title for it. The project is on amount of protein in milk. The question is what type of cows milk has the highest amount of protein.

(Also I asked once before, someone just said MOO! can you add onto that for the title?)

Answers

Answer:

muscle milk or milk is muscle

Explanation:

Answer:

the protein in cows milk

Which model can be used to trace genetic inheritance

Answers

To tract genetic inheritance ( phenotype or genotype) from one generation to another generation, PEDIGREE CHART is used. Pedigree Chart is a diagram shows the occurrence and appearance of a particular genes of an individual organism from its ancestor down to the generations it follows. Relationship in a pedigree is shown as a series of linear graph. Parents are connected to a horizontal lines while vertical lines will lead to the offspring.

A car traveled at an average speed of 60 mph for two hours. How far did it travel? A.
30 miles

B.
60 miles

C.
120 miles

D.
150 miles
i need help and please answer

Answers

C-120 hope this helps

C.) Average speed = total distance/total time. Total time= avg speed x time = 60x2 = 120miles.

In the combustion of hydrocarbon, carbon monoxide is formed. What has occured?

Answers

An incomplete combustion happened in the combustion of a hydrocarbon where carbon monoxide is produced. It happens when there is not enough oxygen to combust the hydrocarbon. The opposite is the complete combustion where CO2 and H2O is formed.

Answer: This is an incomplete combustion reaction.

Explanation:

Combustion reaction is defined as the reaction in which a hydrocarbon produces carbon dioxide gas and water molecule when reacted with oxygen gas. General equation for this reaction is:

$\text{Hydrocarbon}+O_2(g)\rightarrow CO_2(g)+H_2O(l)$

Incomplete combustion is also a reaction between oxygen and hydrocarbon in which the products obtained are carbon monoxide, water and carbon. This type of combustion happens when there is insufficient supply of oxygen gas. General equation for this reaction is:

$\text{Hydrocarbon}+O_2(g)\rightarrow CO(g)+H_2O(l)+C(s)$

Hence, the hydrocarbon is undergoing an incomplete combustion reaction.

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