17. For each of the following chemical formulas with + signs between them, write the chemical symbol and the number of atoms that are present. The first one has been completed for you.

Q: Calculate number of protons, neutrons and electrons present in isotopes of 35Chlorine and…

A: Atomic number = Number of protons Atomic mass  = number of protons + number of neutrons. Number of…

Q: There are three primary subatomic particles that comprise an atom. (i) Name the three subatomic…

A:

Q: Calculate the atomic mass of of sulfur if 95.00% of all sulfur atoms have a mass of 31.972 amu,…

A: Average atomic Mass: It is calculated for elements having isotopes. Isotopes: The elements which has…

Q: Complete the following table by providing the symbol or formula that is used to represent a sample…

A: The chemical elements are represented by using one or two letters which is defined as chemical…

Q: An unknown element (Uk) has three isotopes, seen in the table. One of the percentage values is…

A:

Q: For questions 42 thru 60, consult the attached Periodic Table of the Elements.  Please do NOT Google…

A: Valence shell The outer most shell of an atom is called valence shell. The electron shells are…

Q: A certain particle contains 23 electrons, 30 neutrons, and 26 protons. Show the full symbol…

A: We have given that  A certain particle contains 23 electrons, 30 neutrons, and 26 protons. Show the…

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: State the laws of definite proportions and multipleproportions. Illustrate each with an example.

A: Law of definite proportions, statement that every chemical compound contains fixed and constant…

Q: How do you write the chemical symbols for three different atoms or atomic cations with 21 electrons.

A: The below are the atoms and ions containing 21 electrons,Sc:Atomic number of Sc is 21, which means…

Q: Imagine that you were working in the lab at Amgen (a biotech compan Thousand Oaks) and you discover…

A: Isotopes of elements contains same number of protons but different number of neutrons.

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

A: The atom is the smallest unit of particle that used in a chemical reaction.

Q: Some imaginary element Im has two naturally occurring isotopes, Im-54 (53.826 amu) and Im-58 (58.055…

A: Let, the % of Im-54 isotope = x The % of Im-58 isotope = 100 - x Atomic mass of Im-54 isotope =…

Q: Write FLuorine, carbon and hydrogen's chemical symbol and write down its atomic number and mass…

A:

Q: Define atomic number, mass number, isotope, atomicmass, and mole.

A: Anything that occupy space and has mass is called matter which  is made up of atoms. Atoms are…

Q: The 02- ion has how many protons and electrons?

A: Neutral oxygen atom atomic number is 8 that means, it has 8 protons and 8 neutrons in the nucleus…

Q: Write names of any 4 elements for each type mentioned in the table 3 given below.

A: The solution is given below -

Q: Refer to the periodic table, and find the following information:a. the symbol of the noble gas in…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3 sub-parts. Please resubmit the…

Q: What is atomicity

A: Atomicity is a term which is used to represent the number of atoms present in any molecule or…

Q: The electronics industry manufactures semiconductor chips from silicon. Refer to the periodic table…

A: Silicon is a group 14 element, i.e. contains 4 valence electrons.

Q: One molecule of caffeine contains 88 atoms of carbon, 1010 atoms of hydrogen, 44 atoms of nitrogen,…

A: Given: The number of carbon atoms, hydrogen atoms, nitrogen atoms and oxygen atoms present in a…

Q: Enter the symbols for the ions of sodium and phosphorus .

A: Sodium is an element which lies in group IA.  Sodium has a charge of +1.  Losing of one electron…

Q: Enter the symbol of the element which would have 18 electrons and +1 charge.

A: An atom is a smallest particle which is capable of existing independently. It has equal number of…

Q: A 0.383 g sample of an element contains 1.943 × 10 21  atoms. What is the element symbol

A: Given, amount of sample =0.383 gnumber of atoms of the sample =1.943×1021 atomswe are asked to…

Q: Magnesium constitutes about 2% of Earth’s crust and has three naturally occurring isotopes. Suppose…

A:

Q: Which statement describes the number of protons in each atom of an element? A:The number of protons…

A: To identify: The statement which describes the number of proton in an atom of an element.

Q: Part A Enter the appropriate symbol for an isotope of potassium-39 corresponding to the isotope…

A: The general notation for isotope is as follows,                                     Z A X Where, Z…

Q: When the elements are arranged in order of increasing mass, certain sets of properties recur…

A: In Dmitri Mendeleev and Lothar Meyer periodic table, the elements are arranged in order of…

Q: Here is a list of statements. Put a check mark for the accurate ones and the necessary corrections…

A: Matters are the particles which consists mass and volume. Matter is not able to be seen by naked…

Q: In ions why not separated by mass only and  why not separated by charge only?

A: Mass spectrometer works in four stages which is ionisation, acceleration, Deflection and detection.…

Q: places explain/ give example. The law of multiple proportions ATOMIC STRUCTURE AND SYMBOLS…

A: The fundamental quantity of compound is element. A compound is made of many such elements that…

Q: Define atomic number, atomic weight, and isotope.

A: Elements are placed in the increasing order of their atomic number in the horizontal rows and…

Q: An element has two naturally occurring isotopes the first isotope has an abundance of 30.37% and a…

A: With data's given Initially we are finding percentage abundance of another(second) isotope and then…

Q: number (use Roman numeral) to which the following elements belong. Example:  Hydrogen - period 1,…

A: Period number and group number are assigned to element according to periodic table. There are 7…

Q: Explain why the symbol for an atom of the element oxygen and the formula for a molecule of oxygen…

A: Elemental symbol - Elemental symbol is the representation of an element/atom which is seen in the…

Q: Enter the atomic symbol, including mass number and atomic number, for iodine-127. Express your…

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: Discuss the assertion between the observed value of atomic mass of lithium and it's true value

A: The mass of the atom is due to the nucleus. And the nucleus contains two sub atomic particles which…

Q: ne average atomic mass

A:

Q: Enter the symbol of the element which would have 54 electrons and +2 charge.

A: A neutral atom is made up of protons, electrons and neutrons. While electrons carry a negative…

Q: The element argon has three isotopes and an average atomic mass of 39.948 u. Idenitfy the most…

A: Element Ar having three isotopes one is Ar-36, second is Ar-38 and last one is Ar-40  Ar-36 have…

Q: -Complete the following table Atoms Number of ņeutrons Number of electrons Carbon 13

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: There are only two naturally-occuring stable isotopes of chlorine. The mass and natural abundance of…

A: Average atomic mass (AAM) :  AAM =isotopic mass x abundance 100   To find the mass of second…

Q: Imagine a new element (symbol X) has been found on Mars. Four isotopes of the element have been…

A: Average atomic mass of element X can be calculated by using the equation: Average atomic mass of X =…

Q: as Question 47 EEU Consider the diisotopic element represented below. element? O forms colored…

A: these given Element is K ( we are saying this on the basis of their atomic masses given in the…

Q: Name the two isotopes for oxygen.

A: The species having same atomic number but different mass number (atomic mass) are termed as…

Q: which contains more atoms, 1 gram on gold or 1 gram of silver? explain please

A: 1mol of any substance contains 6.023 × 1023  number of atoms. 1mol of any substance means its atomic…

Q: An element´s relative mass, expressed in atomic mass units on the periodic table, is equal to its…

A: The mass of an atom can be expressed in different forms like molar mass,  relative mass, atomic mass…