3 years ago

What term describes an atoms tendencies to hold onto electrons?

Physics

1 answer:

Marat540 [252]3 years ago

5 0

Electronegativity? Not sure

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A nitrogen isotope has an atomic number of 7 and an atomic mass of 15. the respective numbers of neutrons, protons, and electron

anygoal [31]

Atomic Number = amount of protons. Atomic mass = protons (7) and neutrons (8)

Electrons will be the protons - any charge the isotope has. For example, a +2 charge would make the electrons 7- (+2) = 5. A -2 charge would be electrons 7 - (-2) = 9

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3 years ago

A hydraulic lift has two connected pistons with cross-sectional areas 15 cm2 and 670 cm2. It is filled with oil of density 510 k

BigorU [14]

Answer:

Explanation:

Given

Cross-sectional area of two areas is

$A_1=15\ cm^2$

$A_2=670\ cm^2$

It is filled with oil of density $\rho _0=510\ kg/m^3$

mass of car place on Large area $M=1100\ kg$

Suppose a mass of m kg is placed on smaller area

According to pascal law's intensity of pressure is same at every point on Liquid

$P_1=P_2$

$\frac{F_1}{A_1}=\frac{F_2}{A_2}$

$\frac{mg}{15}=\frac{Mg}{670}$

$m=1100\times \frac{15}{670}$

$m=24.62\ kg$

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3 years ago

You are driving on a freeway and notice a small car (very small) cut off a big truck. Explain why it is a bad idea for the small

Leno4ka [110]

Answer: small cars can stop and go fast big trucks can not

Explanation:

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3 years ago

when forces on an object are acting in the same direction, how do you add them together to find the net force?

AysviL [449]

If two forces act on an object in the same direction, the net force is equal to the sum of the two forces

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3 years ago

Why is a block of gold is more dense than a block of iron of equal size?

baherus [9]

Gold has almost 4 times the atomic weight of iron. Check the table of elements.D<span>ensity is Mass divided by its volume, right? Gold has a higher atomic weight than iron, so it will be much heavier.</span>

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3 years ago