CHEMISTRY HIGH SCHOOL

What is a substance made of identical atoms called?

Answers

Answer 1
Answer: The answer is Element
Answer 2
Answer: It is called an element.

Related Questions

Consider the following reaction: 2Mg(s)+O2(g)-->2MgO(s) delta H=-1204kJa) Is this reaction exothermic or endothermic? exothermic endothermicb) Calculate the amount of heat transferred when 3.55 g of Mg(s) reacts at constant pressure. delta H = -87.9 kJc) How many grams of MgO are produced during an enthalpy change of -238 kJ ? m = ?gd) How many kilojoules of heat are absorbed when 40.5 g of MgO(s) is decomposed into Mg(s) and O2(g) at constant pressure? delta H =? kJ
Gaseous water molecules condense when they _______. Liquid water molecules evaporate when they _______.
Which most likely would be a new social issue resulting from the installation of a dam? A. Antibiotic resistance B. Habitat destruction C. Greater exposure to radiation D. Increase in biodiversity
Why does secondary succession usually occur more rapidly than primary succession.
Please help!!! Thank youuu I’ll give brainlist to first to get them right

A 182 pound male body was found decomposing in a dense wooded area 1.43 kilometers away from the nearest road. How many meters would a suspect have to drag the body into the woods if the victim was already deceased and transferred to this secondary location from the vehicle

Answers

Answer:

1430 meters

Explanation:

A solution has which of the following properties

Answers

Answer:

This question is incomplete

Explanation:

A solution is an homogeneous mixture of two or more substances. These substances could be in the same form (as in solid, liquid or gas) or in different forms. Examples of solution in the same phases are

  • Air (all gases): oxygen, nitrogen, carbon dioxide and noble gases
  • Dilute acid solution (all liquid): water and acid
  • NPK fertilizer (all solid): powdered nitrogen,phosphorus and potassium

Examples of solution in different phases are

  • Salt solution: common salt (solid) and water (liquid)
  • Oxygen in water: oxygen (gas) dissolved in water (liquid) which enables survival of aquatic animals
  • Soot floating: soot (solid) and air (gas)

NOTE: Homogeneous mixture is a mixture whose constituents are evenly distributed in the mixture

A solution has a number of unique characteristics. First of all, it has a consistent composition throughout, which denotes that the solute is dispersed uniformly throughout the solvent to produce a homogenous mixture.

Second, the solution is transparent and not turbid because the solute particles do not scatter light. Thirdly, a solution doesn't have discrete layers since the solute has completely dissolved in the solvent. Furthermore, the presence of the solute particles causes the boiling point of the solution to normally be higher than that of the pure solvent. However, because the volume change during dissolution is typically minimal, the density of the solution stays almost the same as that of the pure solvent.

To know more about homogenous mixture, here

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--The  complete Question is, A solution has what of the properties?--

Which change occurs during a nuclear fission reaction? (1) Covalent bonds are converted to ionic bonds.
(2) Isotopes are converted to isomers.
(3) Temperature is converted to mass.
(4) Matter is converted to energy

Answers

Answer;

Matter is converted to energy

Explanation;

  • Nuclear fission is a type of nuclear reaction in which a nuclei of an atom splits or breaks down into two or more smaller nuclei.
  • It involves subdivision of heavy nucleus of an atom such as Uranium into two or more fragments which has almost the same equal mass.
  • Nuclear fission is accompanied by release of large amount of energy, thus we can say that matter is converted to energy.
Matter is converted to energy

The process of splitting an atom into two nuclei with smaller masses is called _____. transmutation nuclear fission nuclear fusion chain reaction

Answers

the process of splitting an atom into two nuclei with smaller masses is called nuclear fission

Answer:  nuclear fission

Explanation:

Just did the test and got it right. :)

The molar mass of copper(II) chloride (CuCl2) is 134.45 g/mol. How many formula units of CuCl2 are present in 17.6 g of CuCl2? 7.88 × 1022 formula units 1.84 × 1023 formula units 1.91 × 1023 formula units 1.42 × 1024 formula units

Answers

7.88  10^22 formula units 

The answer is,

A. 7.88 × 1022 formula units

5. Given the following equation: 8 Fe S8 8 Fes, what mass of iron is needed to react with16.0 grams of sulfur? How many grams of FeS are produced?

Answers

18 grams of fes is produced
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