(a) Group 1A positive + The elements in group 1A configuration. an electron (obtain a charge) in order to achieve a noble gas ...

Q: 42. The formulas for the oxides of sodium, magnesium, alumi num, and silicon are, respectively,…

A:

Q: 1. Using the various group classifications from the periodic table, assign all appropriate labels to…

A: In the periodic table elements are arranged on the basis of their atomic number. When the elements…

Q: The charge an a cation is... * O negative O positive neutral

A: The answers to these questions are as follows:

Q: 63. To what group number does each element belong?(a) oxygen(b) aluminum(c) silicon(d) tin(e)…

A: The modern periodic table is divided into 7 periods and 18 groups(numbered 1-18). The elements in…

Q: 45. List the symbol and atomic number of each element.(a) carbon(b) nitrogen(c) sodium(d)…

A: The atomic number of an element represents the number of protons or the number of electrons present…

Q: References] Given these mass numbers and number of neutrons, what is the name and symbol of each…

A: An element (say X) is denoted as : ZXA  Here,  Z = Atomic number of the element  A = Atomic mass of…

Q: Atoms of the same type can have different mass numbers. These atoms are called "isotopes". Consider…

A: The detailed solution is given below.

Q: 57. Which elements are alkaline earth metals?(a) sodium(b) aluminum(c) calcium(d) barium(e) lithium

A: The elements in the tabular form when arranged on the property of the increasing atomic number order…

Q: The number of protons (is, is not) always equal to thenumber of electrons in orbit around the…

A: The symbol of an element is defined as  ZXA Where  A = mass number = Z + N              Z  = Atomic…

Q: Why do most metals make good electric conductors? A Metals have low specific heat. B Metals attract…

A: The correct option is (C) : The electrons in metals flow easily between atoms.Explanation:Option A…

Q: What would you multiply "grams of argon" by to get the units "atoms of argon" ? ((number) 9 Ar…

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

Q: 54. Refer to the periodic table and state the highest energy sub- level for each of the following…

A: Highest energy sub levels are in elements is where last electron is filled in element. Based on…

Q: Imagine you were to create a graph where you plot the density of the elements in Group 16 as a it…

A: Elements in periodic table exhibits some common periodic trends . We can compare the physical…

Q: Describe the PHYSICAL PROPERTIES of the following Specifically, what type of matter is this? (e.g.…

A:

Q: Which neutral atom is this ? Which group and period ?

A: The electron configuration  corresponds to the element iron (Fe) with an atomic number of 26. Iron…

Q: (a) Diagram 2 shown above represents a particle-level view of liquid Xe atoms. (i) In the box in…

A: Given:

Q: An electrical charged atom or group of atoms. What is it

A: All the substances in thE universe are made up of tiny particles known as atoms. Atoms can be…

Q: Part A In the following drawings, red spheres represent cations and blue spheres represent anions.…

A: In the given figure red sphere represents cations and blue spheres represents anions.  In each…

Q: on No. 13 of most elements are not able to exist dently'. Atoms which exist as dent atoms among the…

A: The atoms of only a few elements called noble gases (Such as helium, neon, argon and kryton, etc.)…

Q: Helium is an inert gas, meaning that it doesn't readily combine with other elements. What five other…

A: Given, Helium is an inert gas, meaning that it doesn't readily combine with other elements.

Q: Which atomic particles are electrically charged? (a) electrons and neutrons (b) neutrons and protons…

A: Given, Which atomic particles are electrically charged?(a) electrons and neutrons(b) neutrons and…

Q: The natural isotopes of sulfur and their molar masses and mass fractions are respectively 2210S:…

A:

Q: Isotopes are… (answer)

A: Isotope- Isotopes are  elements that all have the same number of protons but different numbers of…

Q: 74. Write the ionic charge for each of the following ions as pre- dicted from the group number in…

A:

Q: (d) the ion with 74 electrons, 116 neutrons, and a +3 charge

A: Answer:Mass number of the element is always equal to the sum of number of protons and number of…

Q: Give the group name for each of the following elements:(a) krypton(b) selenium(c) barium(d) lithium

A: The group name for given elements has to be given.

Q: The subatomic particle that is correctly paired with its electrical charge is: A) proton; negative.…

A:

Q: Isnt boron just b on the periodic table?

A: The formula of diboron trioxide is determined as shown below,

Q: Refer to the periodic table and give the period and group number for each of these elements. (Use…

A:

Q: Which of the following generally occurs in nature as an atomic element and not a molecular element?…

A:

Q: Type of Bond High Boiling High Melting Point? Good conductor of heat or electricity? Yes Compoun…

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Q: Which pair of elements has the most similar properties? (a) Sr and Ba                (b) S and Ar(c)…

A: To determine the pair of elements that has the most similar property. (a) Sr and Ba(b) S and Ar(c) H…

Q: "For nitrogen-14 with a charge of 1, the number of protons are type your answer... the number of…

A: Given element is nitrogen with 1 charge.Atomic number= number of protons Mass number = number of…

Q: (1). are composed of only one type of atom and we form (2). combine two or more of it. These atoms…

A: The question belongs to basic concepts of chemistry. Here we need to discuss elements, mixtures,…

Q: label No. of orbitals Example 2 2s 1 (a) 3d (b) 4 7

A:

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.