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Bingel [31]
3 years ago
8

From left to right across a period in the periodic table, elements become less ___________ and more ______________ in their prop

erties.
Physics
2 answers:
leonid [27]3 years ago
7 0
***elements become less electropositive and more electronegative in their properties...
Paul [167]3 years ago
6 0

Explanation:

When we move across a period in the periodic table then there occurs an increase in the electronegativity of the elements because of decrease in their atomic size.

Electronegativity is the ability of an atom to attract electrons towards itself.

This also means that on moving from left to right in a periodic table elements become less electropositive in nature.

Therefore, we can conclude that from left to right across a period in the periodic table, elements become less electropositive and more electronegative in their properties.

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vivado [14]
His is a step down transformer since n(primary) is greater than n(seconcary). You relate the input voltage with the ouput voltage with the following equation: 

<span>Vout = n2/n1*Vin (n2/n1 is essentially your 'transfer function' that dictates what a specified input would produce) </span>

<span>Solving the equation: </span>

<span>Vin = Vout*n1/n2 = (320V)*(600/300) = 640 V </span>

<span>This is checked by seeing if Vin is greater than Vout, which it is for a step down transformer.</span>
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3 years ago
Students in science class were asked to do an experiment with a can of soda. They placed an unopened can of soda on a digital sc
ElenaW [278]
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3 years ago
How does half-life apply to real life?
wlad13 [49]
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3 0
3 years ago
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They are adding steel components to the roof supports of the structure. We know that steel elongates when heated. At what temper
Andru [333]

Answer:

The change in temperature of 576.9°C will produce an elongation of 9 inches per feet in steel.

Explanation:

The formula for linear expansion of a material is:

ΔL = αLΔT

where, ΔL = change in length

             L = Original length

           ΔT = Change in temperature

             α = coefficient of linear expansion

For steel, α = 13 x 10^-6 /°C

                L = 100 ft

                ΔL = (9 in)(1 ft/12 in) = 0.75 ft

Therefore,

0.75 ft = (13 x 10^-6 /°C)(100 ft)ΔT

<u>ΔT = 576.9°C</u>

<u></u>

8 0
3 years ago
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dmitriy555 [2]

Answer:

7. 2 kg

8. 0.5 kg

9. 4 kg

Explanation:

The equation is F=MA

where F is force in Newtons

M is mass in kg

A is acceleration in m/s^2

for each you substitute in the F and A, and you are finding M. Meaning you divide F by A.

M = F/A

6/3 = 2

6/12 = 0.5

20/5 = 4

6 0
3 years ago
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