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Rama09 [41]
3 years ago
5

Which one is correct

Chemistry
2 answers:
anyanavicka [17]3 years ago
4 0

Answer:

number 3.

Explanation:

Licemer1 [7]3 years ago
3 0

Answer:

3

Explanation:

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What does a net ionic equation show about a reaction
AVprozaik [17]

Answer:

A net ionic equation shows only the chemical species that are involved in a reaction, while a complete ionic equation also includes the spectator ions.

Brainlist pls!

6 0
3 years ago
Given the formula representing a molecule:
Aleksandr [31]

Answer:

B) Symmetrical and nonpolar  

Step-by-step explanation:

The formula is H-C≡C-H.

Each C atom has <em>two</em> electron regions, so VSEPR theory predicts a <em>linear molecular geometry</em> (see image below).

The molecule is symmetrical, because the green line divides the molecule into two halves that are mirror images of each other.

The C-H bonds are slightly polar, because C is more electronegative than H (µ ≈ 0.4 D).

The C atoms are partially negative (red), while the H atoms are partially positive (blue).

However, the two C-H bond dipoles point in <em>opposite directions</em>, so they cancel each other. The molecule has <em>no net dipole moment.</em>

Acetylene is nonpolar.

3 0
3 years ago
Read 2 more answers
Which statement describes a physical change? *
xxMikexx [17]
B. The surface of a silver cup turns black when it is exposed to air.
4 0
3 years ago
Salt is an ionic compound that is produced when a cation and an anion from an acid-base reaction combine, and solutions of salts
Andrej [43]

Answer:

a. True

Explanation:

The statement given regarding salt is correct,

Salt is ionic in nature, as it is composed of a positive ion, i.e. , cation and a negative ion, i.e. , anion.

Salt can be made by the combination of respective acid and base.

There are three nature of salt, acid, base and neutral.

Hence, from the given statement of the question,

The correct option is a. True.

3 0
3 years ago
Group VII corresponds to the...
SCORPION-xisa [38]

Answer:

Halogens family

Explanation:

Be familiar with the periodic table

5 0
3 years ago
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