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FinnZ [79.3K]
3 years ago
13

Metals are{blank}because light reflects off the electrons.

Chemistry
2 answers:
Snezhnost [94]3 years ago
5 0

Answer:

shiny

Explanation:

Talja [164]3 years ago
3 0

Answer:

shiny

Explanation:

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Oxidation Number of fe in fe3o4​
oee [108]

Oxidation number of fe in the compound...,

Let the oxidation number of (Fe) be x

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; 3x = 8...then divide both sides by 3

Oxidation number of fe is( 2.67 )

4 0
2 years ago
What is a valence electron
shtirl [24]

is an outer shell electron that is associated with an atom

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A sprinter set a high school record in track and field, running 200.0 m in 21.7 s . What is the average speed of the sprinter in
Yuliya22 [10]

Given data:

Distance travelled (d)= 200.0 m

Time taken (t) = 21.7 s

To determine:

The average speed in km/hr

Calculation:

Convert distance from m to km

1000 m = 1 km

200.0 m = 1 km * 200.0 m/1000 m = 0.2 km

Convert time from sec to hours

3600 sec = 1 hour

21.7 sec = 1 hour * 21.7 sec/3600 sec = 6.027 *10^-3 hrs

Speed is defined as the amount of distance travelled per unit time

Speed = distance/time = 0.2 km/6.027*10^-3 hr

           = 33.18 km/hr (or 33.2 km/hr)

7 0
2 years ago
What is the ratio of moles of sulfur to moles of sulfur trioxide in<br> 25 +302--&gt;2SO3
vivado [14]

Answer: It's 2:2

Explanation: you can look at the coefficient stands in front of the chemical

For example if they ask the ratio of oxygen to sulfur trioxide, it would be 3:2 and vice versa vv..

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Which type of perspective makes objects look similar to how they look in real life (select the best answer)
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I believe it's fractional perspective
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