g. What is the atomic number for potassium? h. What is the atomic mass for potassium? i. How is the atomic number related to the number of protons, neutrons, and/or electrons?

Q: A certain element contains one atom of mass 10.013 ufor every four atoms of mass 11.009 u. Compute…

A: Given data contains, Mass of first isotope is 10.013 u. Mass of second isotope is 11.009 u.

Q: Ga-67, an isotope of gallium (Ga), is used medically to scan for various tumors. How many protons…

A: Number of protons is equal to atomic number in a atom. Mass number is the sum of protons and…

Q: Antimony has 2 commonly occurring isotopes. 57.21% of Antimony atoms have 70 neutrons and 51…

A: Given: Antimony has 2 isotopes For first isotope, Abundance = 57.21% , Neutrons = 70 and protons =…

Q: 2. Define these terms and explain why these names are used for of elements: a. Family

A: Element  are  the pure substance consisting only of atoms  and  elements cannot  be broken down into…

Q: Selenium-80 is a naturally occurring isotope used in overthe-counter supplements.a. How many protons…

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

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: -What is the Z number of CL= Chlorine? -How many protons does CL = Chlorine have? %D -How many…

A: Halogens in the periodic table are the second-last group in the periodic table. This means that it…

Q: mass number for the calcium isotope with 22 neutrons

A:

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: What is the atomic number of magnesium? How many

A: Magnesium :- Atomic No.  = 12 No. of Proton = 12

Q: How are the elements in the periodic table arranged based on their increasing atomic number? AVOID…

A: The term atomic number can be described as the no. of protons which a nucleus is having in an atom.…

Q: 7. 12.01 g of carbon has approximately 602,214,129,000,000,000,000,000 atoms. What is the…

A:

Q: An isotope of mercury has 80 protons and 120neutrons. What is the mass number of this isotope?

A: The atom consists of 3 subatomic particles: Protons: They are positively charged particles present…

Q: The isotope with 15 protons and 14 neutrons is? The isotope with 9 protons and 8 neutrons is? The…

A: As we know, Mass number of an atom = number of protons +the number of neutrons Atomic Number of an…

Q: Using this information along with the information in the table, calculate the % abundance and the…

A:

Q: What are the atomic atom and atomic mass number of the carbon isotope here in the picture here?

A: An element is represented by the symbol XZA, where Z is the atomic number and A is the mass number.

Q: e.) Light travels 186 000 miles / second. How long is a light year in meters? (1 light year is the…

A: 3. e.) Given: Light travels 186 000 miles/second. First determine the number of seconds value in one…

Q: Dalton theorized that matter is made of tiny invisible particles called atoms. in what way did the…

A: The most significant of all the Dalton’s investigations were related with the atomic theory.…

Q: How to get atomic mass protons electrons and neutrons? How do cation and anion work?

A: Atom consist of a heavy mass in the center which is known as nucleus. Nucleus contains protons and…

Q: If a neutral atom of an element has 19 electrons and 14 neutrons, its atomic mass is??

A: Given  Number of electron = 19 Number of neutron = 14  atomic mass = ?

Q: Antimony (Sb), has two naturally occurring isotopes: Sb-121 that has a percent abundance of 57.30 %…

A: Given: Antimony (Sb) has two isotopes Sb-121 and Sb-123 Mass of Sb-121 =120.90 amu Percentage…

Q: Chemistry midterm A neutron has a mass of and a charge of

A: A neutron is a particle present in the nucleus of the atom. It is a neutral particle having 1 unit…

Q: of Protons and Neutrons ir

A:

Q: Antimony (Sb), has two naturally occurring isotopes: Sb-121 that has a percent abundance of 57.30 %…

A:

Q: What is the atomic mass of hafnium if, out of every 100 atoms, 5 have a mass of 176 amu, 19 have a…

A: The atomic mass of any element is given by the average mass of its naturally occurring isotopes.…

Q: The isotope of Nitrogen with a mass of 15amu is written as _? The isotope of Uranium with a mass of…

A:

Q: A 7.36 g sample of copper is contaminated with an additional 0.51 g of zinc. Suppose an atomic mass…

A: Total weight of the sample = 7.36 + 0.51 = 7.87 g Fraction of Copper in the sample can be calculated…

Q: Which part of the atom has most of mass ?

A: Most of an atom's mass is in its nucleus.

Q: The Periodic Table: 1. Where can you find the atomic number on an element on the periodic table?

A:

Q: does 1 mole of Ba and one mole of Pb have the same mass or a different mass?

A: The molar mass of a substance is equal to the mass of one mole of that substance. One mole of a…

Q: Summarize the history of the atomic idea?

A: Greek philosophers. Leucippus and Democritus put forward the idea of atoms as far back as the fifth…

Q: 3. Atomic #= # of and # of Atomic Mass= #.of neutronsD

A: Protons , Neutrons and Electrons are called as sub atomic particles. The reason they are said so…

Q: can explain isotope and how to find atomic number and mass

A:

Q: Give a Characteristics of an Atomic?

A: Solution-   An atom has three subatomic particles The nucleus has a well-charged atomic center and…

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: erage Atomic Mass Calculations Format Tools Add-ons Help Last edit was 8 minutes ago 三 Element:…

A: Average atomic mass: The average atomic mass of an element is the sum of the masses of its isotopes,…

Q: 1. Consider a neutral atom, the atomic number is equal to (a) mass of neutron (b) number of proton…

A: Atomic number depends on proton number

Q: ow to describe isotopes in my own words

A: By using definition of isotopes.

Q: In Rutherford’s gold foil experiment, which particle(s) were used? Group of answer choices α-rays…

A: Alpha rays (radiation) is the emission of an alpha particle (helium nuclei). Beta rays (radiation)…

Q: For 223FT, number of protons = number of neutrons = + and number of electrons = For 227 Fr, number…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Part D An atom of chlorine is represented by CI. How many neutrons are in the nucleus of this atom?…

A: Given, An atom of chlorine (Cl): Atomic number = 17 Mass number = 37 For any neutral atom Atomic…

Q: An isotope of chlorine has 20 neutrons. •What is the mass number of the chlorine isotope? •How…

A: Atomic number = Number of protons = number of electrons Mass number = Number of protons + Number of…

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".