Which of the following statements about subatomic particles is TRUE? A neutral atom contains the same number of protons and electrons. Protons have about the same mass as electrons. Neutrons and electrons are found in the nucleus of an atom. Electrons make up most of the mass of an atom. Protons and neutrons have opposite, but equal in magnitude, charges.

Q: A. Give the identity of the following hypothetical elements designated by the following symbols,…

A: Given : Table  To find: complete the given table  Solution: Isotopes are those elements whose atomic…

Q: Which statement about subatomic particles are true? If an atom has an equal number of protons and…

A: This is a true statement because the charge of the proton and the electron are equal in magnitude…

Q: Consider two compounds. Compound A contains 15.7 g of sulfur and 18.6 of fluorine. Compound B…

A: Mass of fluorine in compound A = 18.6 g Mass of sulfur in compound A = 15.7 g Mass ratio of fluorine…

Q: Which best describes isotopes? A. Same number of neutrons, different number of electrons B. Same…

A: atoms of the same element have the same number of protons, but some may have different numbers of…

Q: Consider a 100.0g samples of two different compounds consisting of only caron and oxygen.One…

A: Mass of both the compounds = 100 g

Q: What is the symbol for an ion with 63 protons, 60 electrons, and 88 neutrons? If an ion contains 50…

A: The chemical symbol for the element has to identified.

Q: An ion composed of which of these particles would havea mass of approximately 16 amu and a charge of…

A: An atom consists of the nucleus at its center, and electrons revolve around the nucleus. The nucleus…

Q: What is the symbol of an ion with 31 protons, 40 neutrons, and 28 electrons? What is the symbol for…

A: Ions are formed by loss or gain of electrons by a neutral atom.  If the ion is formed by gain…

Q: Consider an atom of 32P. (a) How many protons, neutrons, and electrons does this atom contain? (b)…

A: Since you have posted multiple sub-parts, the answer for first three questions are given below.…

Q: Find the correct name for the isotope described: If an isotope has 19 protons and 21 neutrons, it…

A: An atom consist of an extremely small and dense nucleus and extra nuclear space .The nucleus…

Q: Naturally occurring chlorine (Cl) consists of 2 isotopes, 35Cl and 37Cl. Their relative abundances…

A: Number of proton = Number of Electron.  Mass Number(A) = proton  + neutron . Number of proton =…

Q: If two neutral atoms are isotopes of each other, which of the following statements are true. More…

A:

Q: Which statements about subatomic particles are true?a. If an atom has an equal number of protons and…

A: (a) This is a true statement because the charge of the proton and the electron are equal in…

Q: What is the symbol of an ion with 16 protons, 18 neutrons, and 18 electrons? What is the symbol for…

A: 16proton 18neutron 18electron ion is  This is a Isotope of Sulphu which has mass of 34 and ion is…

Q: The isotope of an unknown element, X, has a mass number of 79. The most stable ion of this isotope…

A: The question is based on the concept of atomic structure . We have  to identify the correct…

Q: For an unknown isotope ion, fill in the missing information below. Isotope symbol: U (For the…

A: Given that, Atomic no. = 90 Isotope symbol= U So,

Q: Which of the following diagrams illustrates the law of multiple proportions?

A: According to the law of multiple proportions, if two elements combine to form two or more compounds,…

Q: Sulfur forms two oxides. In one of them, 1.87 grams of sulfur combines with 1.87 grams of oxygen,…

A: The rule of multiple proportions put forwards that for the formation of multiple number of compounds…

Q: What is the symbol for the isotope of "Fe that possesses 31 neutrons? Express your answer as a…

A: To find: The symbol of the isotope of  55Fe which posses 31 neutrons.

Q: Fill in the gaps in the following table,assuming each column represent a neutral atoms. Symbols…

A: Given table: Symbol 65 Zn         Protons 38 38     92 Neutrons 58 58 49     Electrons…

Q: Which of the following represents isotopes? 1. The different mass numbers of an element. 2.…

A: Two substances are said to be isotopes of each-other if they have the same atomic number but…

Q: How many protons, neutrons, and electrons are in the following? a. 1 atom of iodine-127 b. 1 atom of…

A: Solution : 1)The atomic number of Iodine is 53 which tells us that it contains 53 protons in its…

Q: an element has 12 protons. what is its symbol?

A:

Q: What's in an Isotope Notation? 空) for the Direction: Using the periodic table of elements, write the…

A: Atomic number of an element is equal to number of protons. Protons are positively charged. Dear…

Q: Fill in the gaps in the following table, assuming each columnrepresents a neutral atom.

A: Atomic Number of an element (Z) =total number of proton present in the nucleus…

Q: Which of the following statements about subatomic particles is TRUE? Protons and neutrons have…

A: Solution Subatomic particles embody electrons, charged, nearly massless particles that account for a…

Q: Estimate the percentage of the total mass of a atom that is due to (a) electrons, (b) protons, and…

A: Dear student, you have not mentioned the atom for which the mentioned percentage is required. I am…

Q: What is the name of the following atoms a) an atom? with 3 protons and 4 neutrons.

A: Given that, a)an atom with 3 protons and 4 netrons What is the name of it?

Q: Naturally occurring chlorine (Cl) consists of 2 isotopes, 35Cl and 37Cl. Their relative abundances…

A:

Q: Explain the difference between an atom of xenon-130 and an atom of xenon-136. Give how many protons,…

A: Given :-  Two isotopes of xenon i. e.  Xenon-130 and Xenon-136  To explain :- difference between two…

Q: 1. Which isotope in each pair contains more neutrons? a. chlorine-35 or sulfur-33 b. fluorine-19 or…

A: Mass number = number of proton+ number if neutron Number of proton = number of electron Number of…

Q: 1) There are 10 Protons in a neutral atom and it is a gas at room temperature and how many neutrons…

A: For an atom, protons are equal to the number of electrons and atomic number.  Proton=electrons =…

Q: Which one of the following statements regarding subatomic particles is true? a. Electrons have a…

A: An atom consists of three sub-atomic particles namely, electrons, protons, and neutrons. Electrons…

Q: 1. Nitrogen and oxygen elements can form NO and N,0 compounds. A total of 14 grams of elemental…

A: We have to verify the given law.

Q: Name the two parts of an atom, where you can find the following subatomic particles (protons,…

A: Atom is electrically neutral and consist of electron , proton and neutrons.  Electrons are…

Q: From the statements about subatomic particles which is FALSE? Protons have about the same mass…

A: The statement Protons have about the same mass as electrons is FALSE. This is because the mass of a…

Q: Complete the following table by filling in the missing information in each blank. Please only type…

A: Atomic number of an element is defined as the number of protons present in nucleus. Mass number of…

Q: Which statement about subatomic particles are false? Some atoms don’t have any protons.

A: All atoms have protons.  Every atom has fixed number of number of protons.

Q: How many protons and neutrons are in an atom of Th-229 ? Number of protons= ________ Number of…

A:

Q: An atom of sodium has an atomic number of 11 and a mass number of 23. Which of the following…

A: Introduction If any particular atom remains in its neutral state, the number of protons and also the…

Q: The radioactive isotope fluorine-18 is used in medical imaging as indicated on the table above. How…

A: Since you have posted multiple questions, we are entitled to answer only the first.

Q: Which is true about subatomic particles? Select the correct answer below: Protons, neutrons, and…

A: All the matters are formed from the atoms. The atom is formed by three subatomic particles, protons,…

Q: Fill in the gaps in the following table, assuming each columnrepresents a neutral atom.

A: Given,

Q: If an atom has no charge, which of the following must be true? O It has more neutrons than protons…

A: For neutral atom :-1 Number of protons is equal to number of electrons.2 Number of neutrons may more…

Q: (1) The radioactive isotope carbon-11 is used in medical imaging as indicated on the table above.…

A: Since we know that Atomic number = number of protons Mass number= number of protons + number of…

Q: Of the following subatomic particles, the one that has the lowest mass is   a. a proton.   b. a…

A: We know that, mass of proton= 1.67×10-27 Kg mass of neutron= 1.67×10-27Kg mass of electron=…

Q: Fill in the gaps in the following table: Symbol Co Protons 34 76 80 Neutrons 46 116 120 Electrons 36…

A: In an atom, the atomic number must be equal to the number of protons.

Q: These exercises are not divided by category, although they are roughly in the order of the topics in…

A: Atomic number (Z) is defined as number of protons present in an atom.  In a neutral atom number of…

Q: Give the complete chemical symbol for the atom that contains82 protons, 82 electrons, and 126…

A: Given information,      Atom contains 82 protons, 82 electrons, and 126 neutrons

Q: Which answer can be used to illustrate the law of multiple proportions?    a, CO2, H2CO3 b, CH4, CO2…

A: To solve this problem we need to know the Law of multiple proportion  and postulate of Dalton Atomic…

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.