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Anuta_ua [19.1K]
3 years ago
11

When a planet has the illusion of moving backwards or bouncing up and down it is exhibiting what?

Chemistry
1 answer:
Goryan [66]3 years ago
7 0

Answer:  It is exhibiting retrogade motion.

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What two terms are used to describe the temperature at which solids and liquids of the same substance exist at the same time?
goldenfox [79]

Answer:

The answer is melting and freezing point.

Explanation:

5 0
3 years ago
What will the subscript for NH4 be?
alisha [4.7K]

Answer:

2

Explanation:

The subscript on Ammoniumwhich is (NH4) is 2.

Hope this helped!

4 0
3 years ago
Give the name of the products formed
attashe74 [19]

Answer:

With Br2 - Bromobenzene

With Cl2 - Chlorobenzene

With HNO3- Nitrobenzene

With H2SO4 - Benzenesulphonic acid

With HCOCl - Benzoyl chloride

With 1-chloro-2,2-dimethylpropane - 2,2dimethyl-1-phenyl propane

Explanation:

The common thread joining all these reactions is that they are all electrophillic reactions. They are so called because the attacking agents in each reagent is an electrophile. Electrophiles are species that have electron deficient centers and are known to attack molecules that are high in electron density at regions of high electron density.

The benzene molecule has rich electron density. Any substituents that donates electrons to the ring improves the likelihood that benzene will undergo electrophillic substitution reactions while electron withdrawing substituents decrease the likelihood that benzene will undergo electrophillic substitution reactions.

The names of the compounds formed when benzene undergoes electrophillic reaction with the attacking agents listed in the question are displayed in the answer section.

7 0
3 years ago
2. Which of the following elements does not lose an electron easily? (a) Na (6) F (c) Mg (d) Al​
vaieri [72.5K]

Answer:

Answer: (b) F

Explanation:

Sodium has 1, magnesium has 2 and Aluminium has 3 electrons in its outermost shell whereas Fluorine has 7 electrons in its outermost shell hence Fluorine does not lose electrons easily.

The electronic configuration of fluorine is 2,7.

Fluorine is the ninth element with a total of 9 electrons.

The first two electrons will go in the 1s orbital.

The next 2 electrons for F go in the 2s orbital.

The remaining five electrons will go in the 2p orbital. Therefore the F electron configuration will be 1s22s22p5.

3 0
2 years ago
Look at the image below. What is the ratio of the formula shown? *
aleksklad [387]
It’s 1:1 b3cuae that’s the one u can
6 0
3 years ago
Read 2 more answers
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