Why is carbon considered the element of Life? What makes carbon unique? Can you think of something that is made of carbon?

Q: How does the radioactive isotope C-14 differ from its stable counterpart C-12? It has a different…

A: C-14 - It has the same number of protons but two more neutrons than C-12 so option - H is correct as…

Q: MCQ 40: The color of lodine (1) is A. grey B. black (s) C. purple (vapors) D. all of above

A: Iodine is element in the periodic table having elemental symbol I and atomic number 53 and belongs…

Q: Who originally proposed the concept that matter is composed of tiny, indivisible particles?

A: John Dalton proposed the concept that matter is composed of tiny, indivisible particles.

Q: Mention the main characteristics of the carbon family

A: Carbon family belong to 14 group Carbon family elements have variable physical and chemical…

Q: complete the table

A: If organic compound contains double bond (or) triple bond (unsaturation) reacts with Br2 , this…

Q: Vhich of these foods would be most like the 'plum-pudding-model of the atom? A chocolate chip muffin…

A: Answer - Option (A) is correct. A chcolate chips muffin  Explanation - According to the question -…

Q: is not used to make Portland Cement a Calcareous Rocks b. Argillaceous Rocks c. Siliceous d. Sands…

A: 1.  B option is correct. CO2 Carbon dioxide is emitted as a by-product of clinker production, an…

Q: 5. For scientists who are looking for life in outer space, what substances should they look for and…

A: As you already mentioned in the question that you want answer only question number-5 -…

Q: Which of the following are antimicrobial halogens?(a) Iodine (d) Iodophores (c) Bromine(d) Chlorine…

A: Halogens It consists of group 17 elements that are nonmetals. They form anions by accepting…

Q: O Lego Model O Ball and Stick Model O Space Filling Model O Chemical Formula O Structural Formula

A: To identify the model which does not show how atoms are spaced apart in water molecule.

Q: Chemistry Provide the correct, systematic name for each compound. To indicate alpha and beta, please…

A: We have to provide the correct systematic name for which compound given below as follows in step 2:

Q: Create an infographics regarding the atomic structures and the atomic models. Provide short and…

A: Atoms are made up of sub-atomic particles called protons, neutrons and electrons. An atom's mass is…

Q: 4. Calculate the effective mass of C¹20 and C¹³0.

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: List the Elements required by Living Organisms?

A: To find: The elements required by Living organisms

Q: Calculate average atomic weight of Uranium using isotopic abundances of its three isotopes: U-234…

A: A numerical problem based on average atomic mass, which is to be accomplished.

Q: What is the atomic mass of C₂H10ON2? O 64.108amu O 73.075amu 78.115amu O 66.104amu

A: Given, Atomic mass of C2H10ON2 = ? Note: Atomic mass of C = 12.011 amu Atomic mass of H = 1.00784…

Q: atomic mass for capsaicin (C18H27NO3)

A: The mass of the 1/12 of  a single carbon- 12 atom is known as atomic mass .

Q: The uranium atom is the heaviest of the common naturally occurring elements but uranium is not the…

A:

Q: How x rays emitted by atoms reveal their inner structure?

A: This question is related to X rays.

Q: Convert the following percentages to proportions: 74.9%, .2%, 5.1%.

A: To solve this problem we will calculate the proportion of given percentage .

Q: 7. Proteins and carbohydrates consist primarily of carbon, hydrogen, and oxygen; these two molecules…

A: 1) Each atom has a nucleus made up of protons and neutrons.       2) In atoms, the number of protons…

Q: How is iodine classified?

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: Beta particles are identical to     electrons     protons     hydrogen atoms     positrons…

A: Beta particles are particles with -1 charge and 0 mass approx i.e they are represented by 0-1e

Q: Determine which sample contains the mos atoms. A 10 g sample of Uranium 11 g sample of copper  1 g…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: is found in the nucleic acids that IImake 14 Identify Each highlighted element below is found in an…

A:

Q: Fill in the blanks: Choose the correct answer from the given choices:

A: Solute: It is the substance that is getting dissolved in a particular liquid called the solvent.…

Q: Which element is able to combine in many ways with different elements and is therefore considered…

A: There are 118 elements identified by the scientists. Out of the total 118 elements, 94 are found…

Q: Its a naswer. plase type it i cant read handwritten

A: Answer

Q: D. Choose and draw the elements that will be characters of your cartoons. Show how these elements…

A:

Q: What is radioactivity? Indicate whether you agree or disagree with the following statement and…

A: Radioactivity is a physical phenomenon  where an element or isotopes emitting radiation…

Q: What are the structure and chemistry of nuclectides?

A: What are the structure and chemistry of nuclectides.,

Q: The normal process occurring on Earth that warms its surface and the lower atmosphere is called A.…

A: The correct option is (D.) the green house effect .

Q: Why is carbon said to be unique?

A: The reason for unique nature of carbon has to be given.

Q: Use the atomic mass of europium to find the mass of Eu-153. Find the natural abundance of Eu-153.

A: Since the average mass of europium=151.964 g And mass of isotope Eu-153 = 153 g

Q: Given the law of definite proportion, would you expect any differences in chemical activity between…

A: The chemical structure, composition and configuration of insulin produced by human pancreatic tissue…

Q: Carbon's atomic number is six. What does that tell us about any carbon atom?

A:

Q: Select the two isotopes of nitrogen-15. carbon-13 O phosphorus-15 N-16 F2 - 15 O-15

A:

Q: What is the total amount of charge needed in order to complete the process?

A:

Q: History of Cosmetics

A: In this question we have to explain that the historical timeline about the development of cosmetics…

Q: which of the following statements concerning carbon are correct? It has an electronic arrangement…

A: The electronic arrangement of an atom can be defined as the distribution of electrons of an atom in…

Q: Discuss and explain why carbon is an unusually important element.

A: Carbon is very important element as when it combines with Oxygen atom forms CO2 which we breathe out…

Q: 3. In 100 words or less, what would be an educated response to someone who claims that living…

A: Introduction-

Q: what is the electron configuration of carbon?

A: 'C' belongs to group 14. It lies in the second period and p block.

Q: What is the electron configuration of C (carbon)?

A: Electronic configuration: Electronic configuration can be define as the arrangement of electrons…

Q: 3. Based on how each food burned, which food would be the best to use for a fuel that has a steady…

A: #3: #(a): Higher the calorific value, better is the fuel that gives steady  flame and burn for a…

Q: Which of the following atomic symbols is incorrect? a) 16C14 b) 32P15 c) 39K19 d) 17 e) N14

A:

Q: Based from the nitrogen test experiment, what is the test for nitrogen?

A: Analytical chemistry is branch of chemistry in which we deal with detection of element in organic…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.