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alisha [4.7K]
2 years ago
14

Select the correct answer. Which characteristic is a property of water?

Chemistry
1 answer:
Dafna1 [17]2 years ago
3 0

Answer: A. It is made of polar molecules.

Explanation:

A polar molecule refers to a molecule that has a covalent bond but has an uneven distribution of electrons due to an atom in the molecule having strong electronegativity which will attract more of the electrons from the other atom.

Water is such a molecule because Oxygen has strong electronegativity which leads to electrons being pulled to it.

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A. 1.4 m<br> B.1.9m<br> C. 2.4m<br> D. 3.6m
jenyasd209 [6]
Apple the way to my hair and hair is so good and i and my friend are going to sleep at the house and i you can do to me and you can do it and i and you have a lot to do with me some time i to get a little sleep in my room and you have my sleep ritirieuwi u and the only reason
8 0
2 years ago
as the elements period 3 are considered in order of increasing atomic number, the number of principal energy levels in each succ
Diano4ka-milaya [45]

Answer:

stay the same.

Explanation:  Period 3 consists of the full 1s, 2s, and 2p electron orbitals, plus the 3s and 3p valence orbitals, which are filled with a total of 8 more electrons as we move from left (Na) to the far right (Ar):

Na:  1s2 2s2 2p6 3s1

Ar:    s2 2s2 2p6 3s2 3p6

As we move from left to right, and ignoring the already-filled 1s, 2s, and 2p orbitals, the period three starting and ending elements have the following:

Na: 3s1

Ar: 3s2, 3p6

All the new electrons electrons filled the third energy level (3s and 3p).  So the energy level does not change, just the orbitals.

5 0
3 years ago
I need it done asap as fast as possible
Lubov Fominskaja [6]

Answer:

1. B

2. D. the form of a substance changes but not its identity

3. C

4. D

6 0
2 years ago
Which half-reaction correctly shows the oxidation of iron
pishuonlain [190]

Answer:

What is the oxidation half reaction for iron?

The two elements involved, iron and chlorine, each change oxidation state; iron from +2 to +3, chlorine from 0 to -1. There are then effectively two half-reactions occurring. These changes can be represented in formulas by inserting appropriate electrons into each half-reaction: Fe2+ → Fe3+ + e.

Hope this helps..

8 0
2 years ago
When an object is lifted 10 feet off the ground, it gains a certain amount of potential energy. If the same object is lifted 30
Elden [556K]

Answer: 3 times as much the potential energy

Explanation:

Potential energy is the energy possessed by an object by virtue of its position.

P.E=m\times g\times h

m= mass of object

g = acceleration due to gravity

h = height of an object  

When same object with same is lifted from 10 feet to 30 feet. The height has increased 3 times , thus the potential energy will also get 3 times as much.

4 0
2 years ago
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