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Ksju [112]
3 years ago
9

The reason that elements in the same group all have similar chemical properties is because they all have the same

Chemistry
1 answer:
sveta [45]3 years ago
4 0
D-number of electrons in the outer energy level.
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List five properties of the chair you are sitting on. Classify each as physical or chemical.
MaRussiya [10]

Answer:

Shapes suitable for humans to sit on it, three to four legs, a flat seat, and a back. Anything with such a shape is "chair", regardless of the peculiarities of its shape or its composition (what it is made of); anything without such a shape is a "not chair", even if you can sit on it. And a chair is classified as physical.

Explanation:

6 0
2 years ago
What appearance of an acidic analyte solution containing phenolphthalein indicates the endpoint of titration with a basic soluti
Svetllana [295]

Answer:

When the solution becomes colorless

Explanation:

phenolphthalein in a base gives a purple colour. As the acid is introduced, the purple color begins to fade away. The end point of the reaction is attained when the solution becomes colorless.

8 0
3 years ago
Based on its location on the periodic table, which element(s) have properties similar to N? Choose all that apply. *
scZoUnD [109]

Answer:

P and Bi

Explanation:

They have the most of them.

8 0
3 years ago
Above the critical pressure, a substance is a(n) _____ fluid.
KIM [24]
A substance above its critical pressure is <span>supercritical. 

I hope this helps you! Good luck :)</span>
5 0
3 years ago
Two gas samples have the same number of molecules, the same volume, and the same pressure. Which of the following could be true?
OverLord2011 [107]
The choices are:
<span>A. The first gas sample has a temperature of 273 K, and the second gas sample has a temperature of 0</span>°<span>C.
B. The first gas sample has a temperature of 273 K, and the second gas sample has a temperature of 298 K.
C. The first gas sample has a temperature of 273 K, and the second gas sample has a temperature of 273</span>°<span> C.
D. The first gas sample has a temperature of 273 K, and the second gas sample has a temperature of 100</span>°<span> C.

The correct answer is A because the two gases will have the same temperature and 273 K = 0</span>°C
6 0
3 years ago
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