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Q: IS THERE A PATTERN TO THE LOCATION OF THE GASEOUS ELEMENTS ON THE PERIODIC TABLE?

A:

Q: What is an element composed of?

A: An element is a pure material made up of atoms with the same number of protons in their atomic…

Q: Give the number of protons, electrons, and neutrons for Chlorine-37

A: Atomic number:  It is defined as number of protons present in an atom.  The symbol of atomic number…

Q: Which of the following are extrinsic properties? being made of paper O being to the left of a…

A: An extrinsic property is not essential or inherent to the subject that is being characterized.

Q: State the number of protons in Ni^2+ Express your answer as an integer.   State the number of…

A: Atomic number (Z) :-  The number of protons present inside the nucleus of an atom is called atomic…

Q: the elements within group 13 have the same number of?

A: The required solution is as follows:

Q: 26 1 0 14.12Mg+On → le+. O26 11 Na O 27 13 Al 27 11 Na O O 27 12Mg

A: The Correct Answer is Option C Na [ Mass Number- 27 & Atomic Number - 11]

Q: For the following isotope, selenium -77, indicate the number of protons, neurons, and electrons.

A:

Q: My dear hero expert please don't upload any image just give me the answer with proper explanation

A: For 1st compund : IUPAC name : There are 1 methyl group in 2nd carbon and propyl group in 3 carbon…

Q: All the chemical elements may be derived from which single element?

A: All the chemical elements may be derived from one single element. That has to be given below.

Q: 32. In which group do all the elements have similar chemical properties? a) P, S, Cl b) Ag, Cd, Ar…

A: In which set of element have similar chemical properties ?

Q: Y What element is represented in question 33? O Sodium O Boron O Carbon O Sulfur

A:

Q: In a chemical reaction, do the elements involved change into different elements as the reaction…

A: In a chemical reaction ,do elements involved change into different elements as the reaction…

Q: Where on the periodic table are the most nonmetallic elements found?

A: Elements that gains electrons and form their respective anion are known as non-metals.   Seventeen…

Q: +, - nich of the following correctly indicates whether the solid represented by the particulate…

A: Need to examine both positive and negatively charged ions in the given model

Q: Write a complete chemical formula, including physical state symbol, for each element listed below in…

A: Each and every element has different chemical symbols or formula, which specific for them but…

Q: Based on TABLE 3, if an additional 10.12% of pure 7Li is added to a natural lithium sample what is…

A: Note: Since you asked multiple questions in a single image. So here is the solution to first…

Q: What are isotopes? What is the percent natural abundance of isotopes?

A: Isotopes are stable as well as radioactive in nature.

Q: Answer the question below. Use the rubric in the materials for help if needed. Use details to…

A: Before the modern periodic table was set up, many people proposed the structure of periodic table.…

Q: 3) The mass of a proton is 1.67 x 10-27 kg. What is the mass of a proton in Gigagrams? A) 1.67 x…

A: 1 Kg = 103 g 1 g = 10-9 Gg 1 Kg = 10-6 Gg

Q: Calculate the amount of charge (in Coulombs) transferred when a 4 amperes (A) current is used for 2…

A: Given that:  Current = 4A  Time(t) = 2 mintutes  1 min = 60seconds

Q: Given 24/14 Si, a) Find the number of protons, electrons and neutrons in the neutral atom. b) Find…

A: The answer is attached below-:

Q: How many electrons are in gold atom? Does protons also take part in chemical reaction?

A: Gold is a chemical element with the symbol Au and atomic number 79, making it one of the higher…

Q: An element 'A' contains 3 protons, 3 electrons and 4 neutrons. it is.................  . It…

A: Lithium has a chemical symbol of Li. Atomic number(Z) of Li is 3 Mass number(A) of Li is 7

Q: the

A: Solving for Integer Value of m 37 −150/m = −13

Q: The basic structural unit of matter is which one of the following: Group of answer choices atom…

A:

Q: Dmitrri Mendeleev is coined as the father of the periodic table although Lothar Meyer has been using…

A: Periodic table is a tabular representation of elements, where element with similar physical and…

Q: What do you look at on the periodic table to determine the number of protons of a element

A: The atomic number of an element tells the number of electrons in it. An element in its neutral state…

Q: O 234 Th е + -1 234 Ра 91 90 O 234 Ра 230 4 Ас + Ac 91 89 O 175 Pt 4 Не + 2 171 Os 76 78 O 14 14 В +…

A: Lat equation contains error as it does not follow mass conservation

Q: Which chemical reactions are not possible according to Dalton's atomic theory? CC14 → CH4 N₂ + 3H₂…

A: Dalton's atomic theory tells how atoms are, how a chemical reactions takes place.Atomic theory has…

Q: Fill in the following blanks with appropriate sentences. 1. The process of moving oil from one…

A: To fill in the blanks:  1. The process of moving oil from one region to another is called…

Q: Part 1: Vocabulary Define the following terms: (from what you remember from middle school) Matter:…

A: Answer for part 1 Matter It is the substance of which any physical object consist. Atom It is the…

Q: Explain the laws listed below and give examples of how these laws are used in Chemistry. Law of…

A: Law of conservation of mass tells us that mass is conserved during a reaction. Mass can neither be…

Q: List three biological compounds/molecules per element that contain the following elements: Carbon…

A: Carbon- Carbohydrates, Fats, Proteins, Nucleic Acids. Nitrogen- DNA and RNA, Proteins, Nucleobases,…

Q: Law of constant proportion example (can be easily drawn)

A: To determine the combination of any molecules we have the following law of chemical combinations.…

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.