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3 years ago

13

What is a star that collapsed under gravity called?

2 answers:

Orlov [11]3 years ago

7 0

Neutron star or black hole

Ratling [72]3 years ago

5 0

<span>Neutron Star hope this helps</span>

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Which group is least reactive of all the elements

Talja [164]

The group is called the noble gas i think

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3 years ago

an atom of magnesium has 12 protons and 12 electrons. if the atom loses 2 electrons, what will be the charge on the ion that for

goblinko [34]

It would have a positive two charge (+2).
12+(-12)=0
12+(-10)=2

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3 years ago

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Vinvika [58]

that's right.............:)

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3 years ago

For each item: classify organic or inorganic. NaCl: . phenol (C6H6;O): . C2H6: . Ca3(PO4)2: . formaldehyde (CH20): . MgCO3: .

zubka84 [21]

NaCl - inorganic
Phenol - organic
C2H6 - organic
Ca3(PO4)2 - inorganic
CH2O - Organic
MgCO3 - Organic
Basically, if it has Carbon (other than a few) it is organic.

8 0

3 years ago

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A kayak travels in a lake at an average speed of 35 m/min. If the perimeter of the lake

DanielleElmas [232]

Answer: 4 hours

Explanation:

It takes the kayak 1 minute to travel 35 meters.

Divide the total (8400m) by the amount of meters per minute (35m)

$\frac{8400m}{35m} =240minutes$

Now convert into hours. (Remember that 1h has 60min)

$240min(\frac{1h}{60min})=4h$

6 0

3 years ago