help me. correct answer will be marked as brnlst

Answer:

D: Kinetic Energy​

Explanation:

Temperature is a measure of kinetic energy. Temperature is a measure of the average kinetic energy of the particles in an object. When temperature increases, the motion of these particles also increases.

Hope this helps :)

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The Correct choice is~ B

The elements shown in green boxes are ~ Metalloids

Answer:

skip and read this story then complete the problem

Answer: 2.43 x 10^23 molecules

Explanation:

Molar mass of H2S: 2(1.008) + 32.06 = 34.1 g/mole

Avogadro’s number for converting moles to atoms or molecules: 6.02 x 10^23

(13.751375g H2S)(1 mole H2S)(6.02x10^23 molecules) / (34.1g/mole H2S)(1mole H2S) = 2.43 x 10^23 molecules H2S

Answer:

D

Explanation:

supports the plant,leaves and flowers

Answer: ELEMENT

Explanation:

will share 2 elctrons with 2 Cl to form

S in column 16 WILL SHARE 2 ELECTRONS WITH 2 /Cl to form

SCl2

,

Answer:

a. carbon    CCl4

b. nitrogen NCl3

c. aluminum AlCl3  

d. sulfur SCl2

Explanation:

10. Based on their valence electrons, how many

atoms of chlorine are expected to bond

with each of the following elements?

a. carbon    CCl4

b. nitrogen NCl3

c. aluminum AlCl3  

d. sulfur SCl2

Cl is in Periodic Table column 17, so it has 7 valence  and needs 1 more to have an electronic structure like its nearest noble gas, Ar.

It then has an oxidation state 0f -1.

Carbon in column  has  +/-4 charge, so 4 Cl will bond with 1 C to make

covalent CCl4

Nitrogen in column 15  is -3.  It will share 3 electrons with 3 Cl to form

covalent NCl3

Al in column 13 give away 3 electrons to 3 Cl to form

ionic AlCl3

S in column 16 will share 2 electrons with 2 Cl and frorm

SCl2

Assertion is correct statement but reason is wrong statement.

Assertion is correct statement but reason is wrong statement.Matter can neither be created nor destroyed is a statement of the law of conservation of mass.

Matter can neither be created nor destroyed is a statement of the law of conservation of mass.The assertion is correct but the reason is incorrect.

The thermal energy of a material increases with temperature. Therefore, the radiator  has the higher thermal energy.

When the temperature rises, a type of energy called thermal energy is produced. The amount of thermal energy usually directly inversely proportional to the object's change in temperature. Thermal energy takes the form of heat.

The thermal energy of a material increases with temperature. The quicker motions of the substance's atoms and molecules are what cause thermal energy to grow as temperature rises.

In some cases, a substance's molecules will separate from one another and leave because the temperature is just so high. Unexpectedly, thermal energy also affects the states of matter. The radiator  has the higher thermal energy.

Therefore, the radiator has the higher thermal energy.

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Answer:

Transition Metal

Explanation:

If you look at a periodic table, you can see that Cu is a transition metal.

Kinetic energy is energy that an object possesses due to its motion.

Lets look at each option:

A compressed spring has potential energy.

An arrow shot from a bow does have Kinetic energy.

Water in a reservoir at a hill top is potential energy.

A monkey hanging from a tree is potential energy.

This means that the answer is B) An arrow shot from a bow

I hope this helps! :)

According to law of conservation of energy,energy is converted from one form to another so by this fact an arrow shot from a bow has kinetic energy generated from potential energy.

According to law of conservation of energy, it is evident that energy is neither created nor destroyed rather it is restored at the end of a chemical reaction .

Law of conservation of mass and energy are related as mass and energy are directly proportional which is indicated by the equation E=mc².Concept of conservation of mass is widely used in field of chemistry, fluid dynamics.

Law needs to be modified in accordance with laws of quantum mechanics under the principle of mass and energy equivalence.This law was proposed by Julius Robert Mayer in the year 1842.

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Answer: So you could for example say, “IF I through my clothes into the closet. THEN the floor will be visible” I capatlized if and then because you need them in a hypothesis.

Explanation:

Answer:

same question

Explanation:

Answer:

last or second

Explanation:

report me if not correct

Answer:

Should be the second one

Explanation:

In comments

Thanks for the Brainliest

Answer:

D

Explanation:

the acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of an object

Answer: 5

Explanation:

please brainliest me

I believe it is 3

Answer:

Explanation:

Answer:

92.13688 grams

Answer:

false because if you round both of them

Answer:

ok

Explanation:

The atomic and molecular interactions unveil the bulk properties of matter in our environment by ways of the fact that everything in the whole universe is made of either atoms, molecules or even ions

It has been proven practically everything in the whole universe is matter and everything which interact with matter is also matter. This explains to us the reasons why matter could be atoms, molecules or ions.

That being said, some substances (matter) is made up of atoms of elements, some made up of molecules or atoms and molecules and others ions or both. However, matter is anything which has mass and occupies space.

In conclusion, we can now conclude from the explanation above that the properties of matter are as a result of the interaction which exists between matter at the atomic and molecular level.

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Explanation:

aluminium

proton= 13

electron=13

neutron=27

nitrogen

proton= 7

electron=7

neutron= 14

Answer:

alkanes

Alkynes have the strongest bond. Followed by alkenes and then alkanes. This is because in alkynes there are 3 bonds between at least two carbons

Answer:

A

Explanation:

Conducts electricity:

-Steel

-Gold

-Copper

-Aluminum

Does not conduct electricity:

-Plastic

-Glass

-Rubber

-Wood

Metallic bonding causes metals to conduct electricity. Some metals are more highly conductive than others.

Hope this helps :)

Answer:

The first table correctly classifies the materials.

Explanation:

In table 1, all the elements on the left side are transition metals, expect for steel. Steel is not an element, it's an alloy (Which is a combination of two or more elements).Transition metals are very good conductors of heat and electricity. The reason why transition metals make such good conductors is because their outer electrons can move freely in their atom.

The right side of table 1 correctly classifies the materials that do not conduct electricity. The reason why those materials are poor conductors is because they all have their electrons tightly bound to their atoms.

In table 2, it classifies copper has a poor conductor which is wrong. It also classifies wood as a good conductor which also wrong for the reasons I stated above.

Answer:

C

Explanation:

Option C should be the correct one, since you have two methyl groups in the alkane (parent) chain.

Answer:

Density is mainly responsible for the difference in melting rate between salt water and fresh water.

Explanation:

Hoped this helped.

Answer:

A. Decrease in temperature

Explanation:

The statement indicates an endothermic chemical reaction is "Decrease in temperature".

Endothermic reactions generate products by absorbing heat energy from the environment.

The temperature of the reaction mixture rises as energy is released in an exothermic process. The temperature drops when energy is absorbed in an endothermic reaction. A thermometer can be used to monitor temperature changes in the reaction mixture.

An endothermic reaction happens when the temperature of an isolated system drops while the temperature of its surroundings rises. The overall heat of reaction in endothermic reactions is positive (q > 0).

Hence the correct option is A.

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Models can be used to represent a process or show the composition of a material. For example, a model of an atom shows what matter is made out of and how it is composed. Scientists have been using models since ancient times to help explain the world around us. Models help you understand something that you cannot see or touch by making it visible or giving it a form that you can physically explore. In this case, the model lets scientists explore atoms without having to use an electron microscope. This method provides them with up-close images from different angles so they can learn about their properties in detail.