The mass number for an isotope is 14. This isotope could be: a carbon atom with 8 neutrons an oxygen atom with 7 neutrons a sodium atom with 8 neutrons a nitrogen atom with 8 neutrons

Q: Draw the electron dot structure of each atom and of the ion that it is expected to form. Explain how…

A: 1. Sodium (Na) has 1 valence electron. Explanation:Sodium is in group 1 of the periodic table,…

Q: what is the atomic number for iron, calcium, potassium, oxygen, nitrogen, and hydrogen?

A: The ATOMIC NUMBER  of a chemical element is the number of protons found in the nucleus of every atom…

Q: How are mass number and atomic number derived? What is the atomic mass or weight?

A: Mass number is the total number of protons and neutrons in an atomic nucleus. Atomic number is the…

Q: How many electrons are in the outer shell of each of the following atoms?

A: Since, the question is incomplete, not provided with complete options, so here giving the…

Q: Identify the key distinction between isotopes of the same element

A: Matter is anything that occupies space and has mass. Matter is made up of atoms. Atoms are the…

Q: As a part of proton therapy, you are exposed to 45 mrad of protons. What is your dose in mrem? NOTE:…

A: A medical treatment in which a proton beam is used to eliminate defective or diseased tissue is…

Q: None

A: In conclusion:Based on the computation above, C8H14I2 will be the molecular formula. Having 485.9190…

Q: nd 12 electrons

A: Answer If the atomic number of element (Z) is 12 Atomic mass(A) =25 No. of protons= No of…

Q: Define the terms protons, neutrons, and electrons?

A: Answer- In an atom there are 3 different type of sub atomic particles called as proton, neutron and…

Q: Explain thoroughly what the total of electrons, protons, and neutrons would be. Explain how I would…

A: The symbol of an element is expressed as,    A    c       X      Z      Where, X = the symbol of the…

Q: The following are the six most common elements in the human body: oxygen, carbon, hydrogen,…

A: An element is a substance consisting only of atoms that all have the same numbers of protons.

Q: Fill in the blank, the parentheses are the choices for the blank: When a sodium atom loses a single…

A: Atom is neutral because it contains an equal number of protons and electrons. When an atom accepts…

Q: For 42He*2 The atomic number is f and there are are protons. The mass number is and there are…

A: The atomic number means number of proton in the nucleus while mass number is total number of proton…

Q: Carbon 14 is an isotope of Carbon-12. What makes Carbon 14 an isotope?

A: Isotopes refer to the atoms of the same chemical element that possess a different number of neutrons…

Q: The mass of a single chromium atom is 8.64\times 10-23 grams. How many chromium atoms would there be…

A: The question asks us to determine the number of chromium atoms in 170 milligrams of chromium. To…

Q: Nitrogen’s atomic number is 7. Just from the atomic number, can you determine how many protons,…

A: The atomic number is by definition the number of protons, positively charged particles, contained…

Q: Distinguish atomic number from mass number.

A: Atoms consist of a nucleus made of positively charged protons and neutral charged neutrons orbited…

Q: What does the atomic number tell us about an atom

A: The atomic number which is denoted by Z of a chemical element uniquely identifies the chemical…

Q: Which of the following levels in the shell model of an atom can hold up to two electrons?   A. The…

A: The model of the shell is partially similar to the model of the atomic shell that defines the…

Q: Based on their electronegativity values, which of the following atom pairs will form an ionic bond?

A: Electronegativity refers to the ability of an atom to pull or attract electrons toward it.…

Q: The percentages of naturally occurring elements making up the human body (see Table 2.1) are similar…

A: Introduction: The requirement for trace elements might actually be viewed as a synapomorphy.

Q: The atomic mass of an element can be used to determine A) the chemical properties of the element…

A: Atoms consist of three basic particles: protons, electrons, and neutrons. The nucleus (center) of…

Q: Arrange in order of increasing atomic size. (a) the period 2 elements Li, C, and F (b) the group…

A: According to the question, we have to arrange the following period or group elements in order of…

Q: 7. Give the symbol of and the number of protons in one atom of: Lithium Iron Охygen Krypton Bromine…

A: Symbols and number of protons in one atom are as below : Lithium - Li - 3 Iron - Fe - 26 Oxygen - O…

Q: The mass number of an atom depends primarily on the number of protons and neutrons. positrons.…

A: An atom is the smallest unit of any matter. It has three subatomic particles; neutrons, protons, and…

Q: 3) What defines the atomic number of an element? a. The number of electrons. b. The number of…

A: It is the number of protons in the nucleus.

Q: a certain element consists of two stable isotopes. the first has a mass of 138 amu

A: Atoms of an element having same atomic number but different mass number are called isotopes of that…

Q: The distribution of electrons across the shells of sulphur (atomic number = 16) is as follows…

A: The shells of a particular element can hold only a certain amount of electrons. This can be…

Q: What is the maximum number of electrons in the 1s orbital of an atom?

A: In this question, we have to answer the maximum number of electron found in 1s orbital.

Q: Select the best answer or answers from the choices given: The mass number of an atom is (a) equal to…

A: The mass number of an atom is:

Q: Isotopes differ from each other only in the number of electrons they contain.   Select one: a. True…

A: Electrons are subatomic particles. They carry a negative charge.A proton and an electron have the…

Q: How does the atomic structure or composition of the versions of sodium in question C above differ…

A: According to the question, We have to explain how does the atomic structure or composition of the…

Q: 18) Carbon-14 has the same A) atomic number and atomic mass as carbon-12 B) atomic number and thus…

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

Q: What is the importance of knowing the isotopes

A: Either of two or more forms of the same chemical element is an isotope. Different isotopes of an…

Q: A free radiacal is  a) Any charged particel  b) An atom or molecule with unpaired electron in the…

A: Ans- b) An atom or molecule with an unpaired electron in the outer shell The free radical define as…