2 years ago

Iodine is a solid nonmetal. What is one property of iodine?

Chemistry

1 answer:

KiRa [710]2 years ago

6 0

Answer:

The correct answer is B. Dull appearance

Explanation:

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A roller coaster starts down a hill at 10 m/s. Three seconds later, its speed is 32 m/s. What is the roller coaster’s accelerati

erica [24]

Final velocity(v) = 32 m/s
Initial velocity(u) = 10 m/s

Using kinematic equation v = u + at,

32 = 10 + a(3)

32-10
--------- = a
3

a = 22
----
3

a = 7.3 m/s^2.

Hence acceleration of the roller coaster is 7.3 m/s^2.

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3 years ago

The most penetrating neclear radiation is

Phoenix [80]

Radioactive is the most penetrating nuclear radiation

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3 years ago

Give the orbital notation for a neutral atom of titanium

dedylja [7]

Answer:

Explanation:

A neutral titanium atom will have 22 electrons. Therefore, its electron configuration will be 1s2 2s2 2p6 3s2 3p6 4s2 3d2.

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2 years ago

What is a disadvantage of a series circuit?

Digiron [165]

The answer is B

If one circuit fails, it is most likely that all the components in the circuit will fail.

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2 years ago

Lastly, Snape thinks we should try one more calculation. What is the retention factor if the distance traveled by the solvent fr

Neporo4naja [7]

Answer:

0.1 is the retention factor.

Explanation:

Distance covered by solvent , $d_s= 2.0 cm$

Distance covered by solute or ion, $d = 0.20 cm$

Retention factor $(R_f)$ is defined as ratio of distance traveled by solute to the distance traveled by solvent.

$R_f=\frac{d}{d_s}$

$R_f=\frac{0.20 cm}{2.0 cm}=0.1$

0.1 is the retention factor.

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3 years ago