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Alecsey [184]
3 years ago
5

Give three chemical and physical properties of potassium, sodium,lithium

Chemistry
1 answer:
posledela3 years ago
5 0
Because they are in group 1 of the periodic table (alkali metals), they all have the same properties. They each are malleable, good conductors of electricity, highly reactive, and have low melting points.
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Chemistry, 50 points!!! Will also mark brainliest if you answer everything
olasank [31]

Answer:

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5. Mg(OH)2 + 2HCl = MgCl2 + 2H2O

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6 0
2 years ago
Which of the following best describes solids?
Angelina_Jolie [31]
In my opinion I would pick D. 

Multiple answers could be chosen, just due to the fact that a solid is nothing more than just an object that cannot change it's physical shape into an object; just as water would. a solid can have a low density; such as paper, plastics, or even just a piece of wood. 

But think of a block of ice. You can break it, and crush it. It cannot be formed into any other shape. If you did break it, it only would make more ice fragments. And it's next phase is a liquid; if it were to be melted.
3 0
3 years ago
Read 2 more answers
PLEASE HURRY! What is the name of this alkane?
belka [17]

Answer:

C. 1-ethyl, 3-methylcyclohexane

(Photo for proof at the bottom.)

Explanation:

The 1-ethyl is because you start numbering from the longest branch, towards the next closest branch. Prefix "eth-" means two, there are 2 carbons in the longest branch. 3-methyl is because the next branch is at number 3, and prefix "meth-" means 1, there is 1 carbon in that chain. "Cyclo" in cyclohexane means the skeletal model is shaped like a ring, and the "hexane" means there are 6 carbons in the ring. Prefix "hex" means 6.

Here's a photo of the unit review on Edge. Refer to the 2nd attachment for a visualization.

Please click the heart if this helped.

7 0
3 years ago
What will happen to the final pressure of a cylinder when the volume is doubled.
OLEGan [10]

If temperature were to double the pressure would likewise double. Increased temperature would increase the energy of the molecules and the number of collisions would also increase causing the increase in pressure.

7 0
3 years ago
Barbara is converting 78°F to degrees Celsius. First, she subtracts 32 from 78. What is the next step?
goldfiish [28.3K]

Answer:

Now she multiplies by 0.5556

Explanation:

7 0
2 years ago
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