CHEMISTRY MIDDLE SCHOOL

What type of solid has the highest melting point? A. ionic solid
B. network solid
C. metal
D. nonmetallic solid

Answers

Answer 1
Answer:

Answer:

The correct answer option is B. network solid.

Explanation:

A network solid has the highest melting point.

The reason being that all of the atoms in this type of solid are covalently bonded to one another so the covalent bonds must be broken throughout the substance.

These covalent bonds holding the solid together are stronger than the ionic bonds. So it means that more heat energy is needed to break these bonds and therefore a higher temperature is required for it.
Answer 2
Answer:

Final answer:

Network solids have the highest melting point.

Explanation:

What type of solid has the highest melting point?

The correct answer is B. network solid. Network solids, also known as covalent network solids, have the highest melting points among the options listed. These solids are held together by a three-dimensional network of covalent bonds, which require a significant amount of energy to break and hence have high melting points.

For example, a diamond is a network solid consisting of carbon atoms bonded together in a strong network of covalent bonds. It has an extremely high melting point of around 3,500°C.

Learn more about Melting Point here:

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HURRY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!One object has a speed of 1 mph and another object has a speed of 3 mph. If the masses are the same, which of the following is true about their kinetic energy?

Question 7 options:

Their speeds are the same.

the object with the greater speed has greater kinetic energy


the object greater speed has the lower kinetic energy


the object with the smaller mass has the greater kinetic energy

Answers

Answer: Option (B) is the correct answer.

Explanation:

Kinetic energy is the energy due to the motion of an object.

Mathematically,       K.E = (1)/(2)mv^(2)

where            m = mass

                      v = velocity

Therefore, an object whose velocity is more will have more kinetic energy.

Thus, we can conclude that out of the given options, the object with the greater speed has greater kinetic energy is true about their kinetic energy.
The object with the greater speed has greater kinetic energy

A 1-gram sample or a compound is added to 100 grams of H2O(l) and the resulting mixture is then thoroughly stirred. Some of the compound is then separated from the mixture by filtration. Based on Table F, the compound could be(1) AgCl (3) NaCl

(2) CaCl2 (4) NiCl2

Answers

The answer is AgCl or Silver Chloride. Silver chloride is a biological compound with the chemical formula of AgCl. This white crystal-like rock-solid is well recognized for its little solubility in water. Upon light or heating, silver chloride transforms to silver (and chlorine), which is gestured by greyish or purplish coloring to other samples.

Which compound is most likely the strongest electrolyte?

Answers

Y:
Or the one that has the highest ion concentration AND the most excellent electrical conductivity

Which type of fermentation sometimes occurs in people

Answers

lactic acid fermentation 

How many types of nomenclature in the features of organic chemistry? What are they?

Answers

Answer:

there are two types of nomenclature used in organic system. the most widely used and universally accepted system of nomenclature is the IUPAC system of nomenclature. some compounds are referred to by their common name that existed before the IUPAC system or is more widely known than the IUPAC names.

Explanation:

IUPAC ( international union of pure and applied chemistry) system of nomenclature is used to name compounds in organic system. there are some principles to be followed while using this nomenclature. some of them are:-

1) identification of parent chain is the first step. the longest hydrocarbon chain is the parent chain.

2) identification of all the substituent groups of the parent chain is also required.

3) hydrocarbon cyclic ring has a fixed prefix and  that is cyclo.

The anticodon is the three-base code on the tRNA molecule that binds to the codon on mRNA. What is the associated codon for the anticodon UUA?

Answers

It is AAU
A-U
U-A
C-G
G-C
The associated codon is AAU
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