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nasty-shy [4]
3 years ago
5

How many significant figures does .150, 20.20, and 25.00 have?

Chemistry
1 answer:
viva [34]3 years ago
6 0
.150 = 3
20.20 = 4
25.00 = 4
If a 0 does not have a number or a period after it, it is not significant.
If the 0 is behind the decimal point, it is always significant.
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Which trends appear as the elements in Period 3 are considered from left to right?
andreev551 [17]

Answer:

Metallic character decreases, and electronegativity increases.

Explanation:

Hello!

In this case, according to the organization of the periodic table, we can see that from left to right, the electronegativity increases as nonmetals are able to attract electrons more easily than metals.

Moreover, in contrast to the previous periodic trend, the metallic character decreases from left to right because the elements tend to decrease the capacity to lose electrons and consequently start attracting them.

Thus, the answer would be: "Metallic character decreases, and electronegativity increases".

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8 0
3 years ago
Which biomes would be found nearest to the equator?
lisov135 [29]

Answer:

tropical rain forests and savannas

Explanation:

Tropical rainforests are found near the equator due to the amount of rainfall and the amount of sunshine these areas receive. ...

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8 0
3 years ago
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Four modes of sediment transport are:
netineya [11]
Here is 5


Dissolved Load - elements dissolved in solution

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5 0
3 years ago
1. A 1500kg car is being lifted by a hydraulic jack attached to a flat plate. Underneath the plate is
AURORKA [14]

Answer:

the pressure in the pipe in the case when there is no net force on the car is  81,726 N/m^2

Explanation:

a. The computation of the pressure in the pipe in the case when there is no net force on the car is shown below

As we know that

Pressure = F ÷ area

Also

F = mg

Now

= (1500 × 9.8) ÷π (0.24)^2

= 81,726 N/m^2

Hence, the pressure in the pipe in the case when there is no net force on the car is  81,726 N/m^2

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3 years ago
What is unique about the nitrogen family
ankoles [38]
Nitrogen molecule is diatomic, whereas other elements form tetraatomic molecules.
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3 years ago
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