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PilotLPTM [1.2K]
3 years ago
6

Which statement is true about the substances in a mixture?

Chemistry
2 answers:
seropon [69]3 years ago
8 0

Answer:

They retain their chemical properties

Explanation:

Vadim26 [7]3 years ago
6 0

Answer: They retain their chemical properties

Explanation:

Mixture is a substance which has two or more components which do not combine chemically and do not have any fixed ratio in which they are present.

For example: Air is a mixture which consists of various gases, water vapors and various particles in solid form which are not present in any fixed ratio, do not combine chemically and thus retain their chemical properties.

Thus the only true statement about substances in a mixture is that they retain their chemical properties

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Covalent bonds usually occur between atoms that have
marta [7]

Answer: A: high ionization energies; high electron affinitlies.

Explanation: Covalent bonds are basically about sharing of electrons between two atoms to achieve that stable structure. They are formed between two atoms when both have similar tendencies to attract electrons to themselves (i.e., when both atoms have identical or fairly similar ionization energies and electron affinities). Covalent bonding usually occurs between two non-metals.

For effective and proper bonding, the two atoms involved in the covalent bonding exercise should be small and hungry for electrons. This is to enable the nuclei of both atoms to effectively attract and hold the shared electron(s) in place; hence, the need for high ionization energies & high electron affinities for a more effective covalent bonding.

7 0
3 years ago
List a possible set of four quantum numbers (n,l,ml,ms) in order, for the highest energy electron in gallium?
Elena-2011 [213]
Gallum: Z = 31

electron configuration: [Ar] 4s^2 3d10 4s2 4p1

Highest energy electron: 4p1

Quantum numbers:

n = 4, because it is the shell number
l = 1, it corresponds to type p orbital 
ml = may be -1, or 0, or +1, depending on space orientation, they correspond to px, py, pz
ms = may be -1/2 or +1/2, this is the spin number. 
7 0
3 years ago
When substances are evenly spread throughout a mixture, it is called ____________________?
harina [27]
The answer is _Dissolving_.

Hope tis helps

5 0
3 years ago
In what type of climate do trees produce narrower rings?
poizon [28]

Answer:

cool and dry

                 

               

8 0
2 years ago
When the following equation is balanced, the coefficients are ________.
LuckyWell [14K]

Answer:

B

Explanation:

Option B is the correct answer. When you add 7 in front of the O2 in the left side, and then you add 4 and 6 in front of NO2 and H2O respectively, the number of oxygen atoms is the same in both sides.

4 0
2 years ago
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