While looking at bromine (Br) on the periodic table, a student needs to find another element with very similar chemical properties but with a different atomic mass. Which best describes the student’s options?

Q: Ga-67, an isotope of gallium (Ga), is used medically to scan for various tumors. How many protons…

A: Number of protons is equal to atomic number in a atom. Mass number is the sum of protons and…

Q: If you wanted to make an accurate scale model of the hydrogen atom and decided that the nucleus…

A: Answer :

Q: Gallium is composed of two naturally occurring isotopes: Ga−69 (60.108%) and Ga−71. The ratio of the…

A: The elements which have the same atomic number but a different mass number are called isotopes.  For…

Q: (T/F) The atomic number of an elements tells us the number of protons and neutrons in an element.…

A: Hii there, since there are multiple sub parts posted. We are answering first three sub parts. If…

Q: 7. Is matter usually charge-neutral? How would matter be different if it were not charge-neutral?

A: Matter is neutral since they have equal number of protons(positively charged) and electrons…

Q: summarize the properties of protons, neutrons, and electrons?

A: Concept introduction: Atom mainly consist the electrons, protons and neutrons. Protons and neutrons…

Q: 17) You have 19 protons, 19 electrons, and 39 neutrons, which element do you have? How do you know?

A:

Q: Sulfur has four isotopes and has an atomic mass of 32.066 amu. The four isotopes have the following…

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

Q: Convert atomic mass of Ca to g. atomic mass of Ca is 40.08 amu  Group of answer choices   A.) 3.00…

A:

Q: Consider a rectangular piece of printer paper that is 8.5’’ x 11’’ (’’ denotes inches). In order to…

A: Given, Dimension of paper  = 8.5’’ x 11’’ Mass number of hydrogen atom = 1

Q: 8 S and S8

A:

Q: For each of the following elements, write its chemical symbol, locate it in the periodic table, and…

A: (a) Silver  Symbol = Ag Position = 5th period, 11th group It is a metal (b) Helium Symbol = He…

Q: which of the following statements is correct? a. All elements must contain protons, neutrons and…

A:

Q: A general chemistry student found a chunk of metal in the basement of a friend’s house. To figure…

A: The question is based on the concept of density. density is an intensive property of the substance…

Q: 1. Atomic Structure. 106 a) 46 Pd*2 b) 232 92 U

A:

Q: Determine the number of protons and neutrons in each of the following isotopes. 223 Rn 86 Express…

A: We can obtain the number of neutron upon subtracting mass number with number of protons.

Q: How many protons, neutrons, and electrons are in one Atom of zinc-70? A. 30 protons 70 neutrons and…

A: Please find the solution below:

Q: For the following atoms, give the number of protons, neutrons, and electrons: Part C Si Express your…

A: The number of protons in an atom is equal to the atomic number of that atom. In a neutral atom, the…

Q: 5. Subatomic Particles. Give the number of protons, neutrons, and electrons in each of the following…

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

Q: An atom of rhodium (RhRh) has a diameter of about  2.7×10−8cm2.7×10−8cm.   Part A: What is the…

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

Q: The mass of a proton is 1.673 x 10-27 kg and the diameter of the nucleus of the H atom is 1.0 x 10°…

A: Given in the question, Mass of proton = 1.673 ×10-27kgDiameter of nucleus = 1.0 ×10-3 pm Radius of…

Q: A sample of compound X (a clear, colorless, combustible liquid with a noticeable odor) is analyzed…

A: Given information, compound X - 14.13 g carbon and 2.96 g hydrogen compound Y - 19.91 g carbon and…

Q: 1. A material consists of an element. How many types of atoms are present in this substance? (C.1.1)…

A: Every substance consists of small particles and these particles are called atoms.  So, basically a…

Q: What is the symbol for the lightest alkali metal with three neutrons? Select one: a. H b. Li c. B…

A: Lithium Lithium is an alkali metal with the atomic number = 3 and an atomic mass of 6.941 g/mol.…

Q: The energy released by the nuclear bomb that destroyed Hiroshima was equivalent to 12.4 kilotons of…

A: Given,  The nuclear bombs released energy = 12.4 kilotons of TNT = 1.44 × 1014 J.  The mass of…

Q: Rank the masses of the elements from lightest to heaviest. To rank items as equivalent, overlap…

A: Atomic masses of the elements: B : 11 u Cr: 52 u Li: 7 u

Q: Locate each element in the periodic table and classify it as a metal, nonmetal, or metalloid. a.…

A: Titanium belongs to group 4 and is present in d block. It is a metal. Chlorine belongs to group 17…

Q: If a fictitious element, X, has 2 naturally occurring isotopes; X-44 and X-46.  The atomic mass of…

A: Given: Fictitious element, X, has 2 naturally occurring isotopes; X-44 and X-46.  The atomic mass of…

Q: Atoms of a specific element that have the same number of protons but a different number of neutrons…

A: An atom is made up of protons, neutrons, and electrons. Protons and neutrons together called…

Q: 10. Copper has two naturally occurring isotopes, 6Cu (isotopic mass = 62.9296 amu) and 6Cu (isotopic…

A: Atoms of the same element having same atomic number but different mass number are called as…

Q: Is the underlined part of the macroscopic domain, or the microscopic domain of chemistry ? A carbon…

A: The term macroscopic refers to the objects that can be seen by the naked eyes. Macroscopic is just…

Q: The element chlorine has two naturally occurring isotopes. The isotopic masses and abundances of…

A: Recall the following expression to calculate average atomic mass of chlorine average atomic…

Q: Earth’s surface area is 5.1 x 108 km2, its crust has an average thickness of 35 km and an average…

A: Since the volume of earth will be = surface are of earth X thickness of earth = 5.1 X 108 X 35 =…

Q: 2. A naturally occurring sample of argon contains 2696 atoms of Ar, 504 atoms of Ar, and 7.968 X 10…

A:

Q: 4. The following data were collected for several compounds of nitrogen and oxygen: Compound Mass of…

A: Compound Mass of Oxygen reacts  with 1 g of nitrogen W 0.5711 g X 1.142 g Y 2.284 g…

Q: Complete the following shorthand notations: ? (р, а) $Li 31p (a, ?) 1čS 242Cm (a, n) ? Mg (? ,p) iNa…

A: To find: The complete shorthand notation for the given compounds

Q: Timmy: Titanium has an atomic number of 22, which means it has 22 protons.  The average mass is…

A: For Titanium  atomic number = 22 number of protons = 22 average mass number =number of protons…

Q: Which pair of elements do you expect to be most similar in their chemical properties?a) K and Fe…

A: Most similar in their chemical properties

Q: What did the scientists who are credited with discovering the proton and neutron have in common?

A: Solution Ernest Rutherford determined that his scintillation detectors detected gas nuclei once a…

Q: Currently, the atomic mass unit (amu) is based on being exactly one-twelfth the mass of a carbon-12…

A: The mass of an atom is not only due to the sum of the masses of the neutrons, protons and electrons…

Q: The element Neptunium has a density of 19.60 g/ml. What is the radius of a sphere of this material…

A: Given: Density = 19.60 g/ml = 19.60 g/cm 3 Mass of sphere =70 kg= 70 x 1000 =70000 g  Because one…

Q: Describe the Rutherford gold foil experiment in 50 words (or formulas or chemical equations) or…

A: Rutherford gold foil experiment has been explained below.

Q: Carbon has three isotopes, 12C, 13C, and 14C.  Each isotope has 6 electrons and 6 neutrons.   True…

A: isotopes are the compound having same atomic number but diffrent mass number for example hydrogen…

Q: Chemistry of Mars NASA's 1997 mission to Mars included a small robot, the Sojourner, that analyzed…

A: Given : There are 3 naturally occurring isotopes of MgO. And the abundance data of isotopes are,

Q: Which statements are true? A. There are 11 elements represented in the periodic table by letters…

A:

Q: A fictitious element name Brickminium can be found as three isotopes. Their relative abundances are…

A: The relative atomic mass (Ar) of an element is explained as the average of the masses of its…

Group 14 Elements

The following elements come under group 14 of the periodic table.