element bismuth is in group element oxygen is in group element chromium is in group ubmit Answer and period and period and period

Q: Silicon has three common isotopes, with the masses and isotopic abundances shown below: Silicon-28…

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Q: what the word mean A number written after an element’s symbol in a chemical formula

A: When a molecule is formed by joining two or more atoms together, a chemical formula is shown to show…

Q: What is the mass of one sodium atom ingrams?

A: The objective of this question is to find the mass of one sodium atom in grams. To do this, we need…

Q: Question attached

A: Fermions Fermions are one of the  fundamental classes of particles,  Fermion particles are described…

Q: Calculate the mass in grams of each elemental sample.(a) 1.32 * 1020 uranium atoms(b) 2.55 * 1022…

A: Mole is defined as the ratio of given mass and molar mass. The unit of mole is mol. It is utilized…

Q: The Periodic Table of Elements is arranged based on the atomic number. Hence, it is arranged based…

A: General chemistryThe Periodic Table of Elements is arranged based on the atomic number. Hence, it is…

Q: Which of the following is a characteristic of all nonmetals ?   Group of answer choices:   a. always…

A: Based on their properties elements can be classified into three types  Metals  Non metals…

Q: If you change the number of __________ , the atom becomes a different element.

A: If we change the number of Protons, the atom becomes a different element.

Q: 10 magnesium nitride 11 gold (I) chloride 12 gold (III) chloride 13 gold (I) sulfide 14 gold (III)…

A: To write the  formula of a compound, first identify the cation and write down its symbol and charge.…

Q: The "lead" in lead pencils is actually almost pure carbon, and the mass of a period mark made by a…

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Q: What came first? protons neutral Atoms or nuclei? which came second?

A: Given What came first? protons neutral Atoms or nuclei? which came second?

Q: Refer to the periodic table and state the mass for each of the following number of atoms. (a) 1 atom…

A: Refer to the periodic table and state the mass for each of the following numbers of atoms. (a) 1…

Q: Elements are represented by chemical symbols. You have a friend who has difficulty List three tips…

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Q: 2. IRON Atcimic Number: Atomic Mass: # of Protons: # of Electrons: # of Neutrons:

A: The atomic number of an element is equal to the number of protons in the nucleus of the atom. In the…

Q: What would you multiply "atoms of xenon" by to get the units "grams of xenon" ?

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Q: Fill in the table with the most information you can. Use pictorial illustrations whenever necessary.…

A: Structure of atom has been described on the basis of various types of atomic model given by various…

Q: State the definition of element.

A: The definition of element has to be given.

Q: The volume of a single gold atom is 1.26 * 10-23 Cm3 Whar is the the volume of a gold atom in…

A: Given data, The volume of a single gold atom is 1.26 10-23 Cm3The volume of a gold atom in…

Q: Describe the period table.how is it organized

A: Given: Periodic table To find: Periodic table and how it is organized Solution: There are many…

Q: The radius of a tungsten atom is 137 pm. How many tungsten atoms would have to be laid side by side…

A: According to the unit conversion, 1 mm is equal to 1×109 pm. The diameter of tungsten is 274 pm.…

Q: A compound contains iron and bromine. A sample of the compound contains 6.371 g of iron and 10.991 g…

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Q: Elements are made when atoms are combined Select one: O True O False

A: An atom is the smallest indivisible particle of an element.

Q: A more accurate way to describe this "sharing" of electrons in a covalent bond is by saying the…

A: Covalent bond is formed by sharing of electrons between two elements

Q: Which element has the chemical symbol 'O'? A) Oxygen B) Osmium C) Gold D)Iron

A: Chemical symbols of elements can be define as the abbreviations of chemical elements present in the…

Q: When table salt is dissolved in water, in conducts electricity when tested in an electrical…

A: When we dissolved table salt that is NaCl in water, it gets dissociated into ions Na+  and Cl-. When…

Q: How many elelents are on the periodic table?

A: The periodic table consists of 91 metals and 27 non-metals and metalloids, together consisting of…

Q: Summarize indicating Dalton major contribution to the atomic theory.

A: Dalton’s atomic theory was a scientific theory on the nature of matter put forward by the English…

Q: Dmitri Mendeleev and Lothar Meyer independently came to the same conclusion about how elements…

A: Introduction : We need to tell whether the given statement is true or false .

Q: topic: matter does each sample have a measurable mass? how do you measure the mass of each sample?…

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Q: (c) Vitamin C contains carbon, hydrogen and oxygen only. It is 4.579% by mass of hydrogen. One…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: Halothane is an inhaled general anesthetic, commonly used since the 1950s. Identify the elements in…

A: Structural formula of halothane is  F3C-CHBrCl So elements are Carbon(C) = black balls Fluorine (F)…

Q: Summarize the history of thedevelopment of atomic theory,beginning with Dalton

A: Every matter is made up of atoms. The theory we study today took a long time for its discovery. The…

Q: How many elements are known at present?

A: Element is a pure substance and it cannot be broken down into simpler pure substance by chemical…

Q: What elemnet is this according to the clue: It has chemical properties like carbon but 1 more shell…

A: Chemical properties of any element depends upon the type of electronic arrangement in its valence…

Q: 4. HYDROGEN Atomic Number: Atomic Mass: # of Protons: # of Electrons: # of Neutrons:

A: Given element,    Hydrogen (H)

Q: Most of the mass or weight of the atom is in

A: Correct Ans - Nucleus Most of the mass or weight of the atom is in the nucleus.

Q: Element Compound carbon dioxide iron gold steel sugar potassium silver hydrogen air salt water…

A: Element: The substance that is made from a single type of atoms called an element. All the atoms in…