a. What element has 35 protons? b. What element has 83 electrons? c. What element has 25 protons? d. What element has 0 neutrons? e. What element has 18 electrons?

Q: 1. What is the difference between carbon-13 and carbon-14? a. The number of electrons b. The number…

A:

Q: A. Explain how you would determine the number of neutrons in a chlorine atom that has a mass number…

A: Given, A chlorine atom has a mass number of 37 Another chlorine atom has a mass number of 35…

Q: How many protons, neutrons, and electrons 58Ni2+ has?

A:

Q: 4. The radius of the nucleus of an oxygen - 16 atom is approximately 3.0 fm (femtometers, 1 m = 1015…

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

Q: 36. Which statement about protons is false?(a) Protons have about the same mass as neutrons.(b)…

A: An atom is made of three particles namely, protons, neutrons, and electrons. The protons and…

Q: I have to explain why this question is incorrect as I put the wrong answer for this and explain why…

A: Given , Heavier isotope has = 42 neutrons Gi2+ ha  40 electrons

Q: -What is the Z number of CL= Chlorine? -How many protons does CL = Chlorine have? %D -How many…

A: Halogens in the periodic table are the second-last group in the periodic table. This means that it…

Q: Boron has two naturally occurring isotopes: ^10B has a mass of 10.01 amu and 11^B has a mass of…

A:

Q: 1. How many calories are released when 100. g of steam condenses? The heat of condensation for water…

A: Given: Mass of water = 100 g The heat of condensation for water = 540 Cal/g

Q: In a naturally occurring sample, 19.8% of boron atoms have five neutrons and 80.2% have six…

A:

Q:

A: Since you have posted multiple questions, we will solve first one for you. To get remaining question…

Q: Back on planet Earth, elements have different isotopic distributions. The atom Chlorine ( Cl ) has…

A: Given isotopic Atomic mass of  Cl -35  = 34.968853 amu Isotopic atomic mass of Cl-37    = 36.965903…

Q: 5. Lithium exists as 2 stable isotopes in nature and data is given below. 6.015122 amu x 7.016004…

A: If A1 and A2 are mass numbers of two isotopes and X1 and X2 are their percentage  abundance then…

Q: Atomic Information Sample Number of Protons Number of Neutrons 44 36 36 46 36 48 4. 36 50 Which…

A: we know if an atom has the same atomic number but a different mass number then it is called…

Q: an abundance of 2.365%. What is the abundance of the first isotoper a. 4.479% b. 6.957% d. 80.913%…

A:

Q: question below

A:

Q: (c) Calculate the mass percent of protons in the nucleus of each of these isotopes. % of protons in…

A: The isotopes given are 105B and 115B.

Q: [References] Americium-241 is an isotope of americium used in household smoke detectors. This…

A:

Q: 1. What is the name of John Dalton's theory? 2. What are elements made of? 3. An atom of hydrogen…

A: As you have posted a question with multiple parts, we will solve the first three parts for you. To…

Q: What is the atomic mass unit? a mass of a carbon atom b mass of a hydrogen molecule c (1/18) of…

A: What is the atomic mass unit?

Q: 1. Write in the atomic number for each Mg atom in figure. 2. What are the mass numbers of the…

A: Isotopes are the atoms of same element having different mass number and same atomic number.   For a…

Q: 13. Imaginary element mccourtium has an average atomic mass of 157.22 u. The atomic masses and %…

A: Determine--  a) % abundance of Mc-158  b) Atomic mass of Mc-158

Q: Where are particles with virtually no mass found in the atom? A. The electron cloud B. Inside the…

A: Ans  A)  The electron cloud .

Q: An element exist as 3 isotopes in nature. The isotopic masses (in amu) and percent abundance’s are…

A: The average atomic mass of element is equal to the product of the masses of the isotope and its…

Q: Consider the following data for the element Z. Determine the number of b) protons, c)electrons and…

A: Given : There are total 3 isotopes of element Z. Number of protons in isotope 1 = 16  And mass of…

Q: Please answer question a & b both.

A: Average atomic mass can be determined by the equation given below:

Q: Which of the following was not postulated by Dalton? Group of answer choices A, Atoms of one element…

A: The Dalton atomic theory was the first attempt to describe the structure of an atom. According to…

Q: Consider the following information about three atoms: (a) How are they similar to one another? (b)…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: For an atom to be electrically neutral, it must have the same number of:   a. electrons and…

A: The charge on the proton is positive . The charge on the electron is negative . There is no charge…

Q: Which statement about protons is true?(a) Protons have twice the mass of neutrons.(b) Protons have…

A: An atom is the fundamental particle of matter. Atoms consist of a certain number of protons and…

Q: 4. Who discovered the neutron in 1932? A. Democritus C. Ernest Rutherford B. James Chadwick D.…

A: Mass number Mass number gives the number of protons and neutrons in an atom.

Q: A) The atomic structure of an element is provided in the figure1.…

A: The atomic structure of the element is shown below. In the above atomic, the element has two…

Q: 9) If an element has its atomic mass as 24, it can be Magnesium?lf yes? No? What information is…

A: Metal :- which are good conductor of electricity.  Non-metal :- which do not conduct electricity.…

Q: How many isotopes does this element have?

A: From the graph, it is cleared that the number of isotopes of the unknown element is 5.

Q: 1. Use paragraph 1 and 2 to describe how the element with 115 protons was created. 2) The newly…

A: Elements are the pure substances that contain atoms of same type. It is identified by number of…

Q: 32p is an isotope of phosphorus that is frequently used in Biology labs. It has a mass number of 32.…

A: The given isotope is 32P.  The mass number of 32P, A = 32  Atomic number of 32P, Z = 15

Q: The element zirconium has five naturally occurring isotopes. The masses (amu) and % abundances of…

A:

Q: 2. Silversmiths are warned to limit their exposure to silver in the air to 1 x 10-8 g Ag/L of air in…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Models neutrons can are be used to show the structure of an atom, The protons and clustered aroUnd…

A: The element which was shown in the given model has to be identified.

Q: The average mass of a carbon atom is 12.011.  Assuming you were able to pick up only one carbon atom…

A: The average mass of a carbon atom is 12.011. There are three isotopes of carbon. C-12, C-13, and…

Q: 1. A solid circular cone made of pure platinum (d = 21.45 g/cm3 ) has a diameter  of 2.75 cm and…

A:

Q: Imagine a new element (symbol X) has been found on Mars. Four isotopes of the element have been…

A: Average atomic mass of element X can be calculated by using the equation: Average atomic mass of X =…

Q: 14. Selenium-75 is used in the diagnosis of disorders related to the pancreas . How many (a) protons…

A: In a neutral atom the number of electrons and protons are same.

Q: Q/Choose between parentheses 1-if the density of an element 6 mg/ml with volume 1.8 L, its mass will…

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

Q: information

A: This question is related to abundance of isotopes.

Q: How many electrons are in 1 coulomb?

A: Particles that reside inside an atom are called subatomic particles. These particles are electrons,…

Q: Nitrogen (N), has two naturally occurring isotopes: N-14 that has a percent abundance of 99.63 % and…

A: The atomic mass of Nitrogen = ( mass of N-14 X percent of N-14 + mass of N-15 X percent of N-15) /…

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.