A(n) ______________________ has a negative charge an a mass about 1,800 times smaller than a proton.   a. neutron   b. electron   c. molecule   d. nucleus   e. isotope

Q: 4. The radius of the nucleus of an oxygen - 16 atom is approximately 3.0 fm (femtometers, 1 m = 1015…

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

Q: Which statements about subatomic particles are false?a. Protons and electrons have charges of the…

A: Which statements about subatomic particles are false has to be given.

Q: In a far away universe, there exist an element called Macandcheesium (Mc). This element has 61…

A: The average atomic mass of an element is calculated as the average of all the isotopic masses of the…

Q: What are subatomic particles?

A: Sub atomic particle, also called elementary particle, any of various self contained units of matter…

Q: What are isotopes and how are they related to the atomic weight?

A: Isotopes are the compounds with same atomic number but different mass number. They have same number…

Q: What is isobars and isotopes?

A: Isobars: 1. Isobars are elements with different atomic numbers and the same mass number. 2. Isobars…

Q: A sample of an element has three isotopes: X with a mass of 18.321 amu and percent abundance of…

A: The average atomic mass of an element that has three isotopes is the fractional abundance of X times…

Q: Approximately how many times greater is the diameterof an atom than the diameter of its nucleus?…

A: Atoms are bigger in size and in the center of the atom nucleus is present.

Q: . An element has three stable isotopes with masses of 27.977 amu, 28,976 amu, and 29.973 amu. The…

A:

Q: Isotopes of the same element have different mass numbers? true or false

A: isotope are  two or more species of element  with the same atomic number and position in the…

Q: Which two atoms are isotopes of one another? Atom #p* # n° #e A 10 8 B 10 9 10 9. D 11 A) A-B B) B-C…

A: Given, Atom no. of protons no. of neutrons no. of electrons A 8 10 8 B 10 9 10 C 9 9 9 D…

Q: What is an atomic mass unit? Why is it necessary to introduce such a unit?

A: Matters are the substances that possess some mass and volume. These are formed by joining very small…

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: What does the nucleus of an atom consists of?

A: In an atom, three fundamental particles are present, proton, electron, and neutron.

Q: How are isotopes of a particular element alike? How are they different?

A: Isotopes are atoms of the same element that have different numbers of neutrons but the same number…

Q: What can happen as nuclei decay? A.The atom will donate protons and neutrons to another…

A: Nuclear decay is the process in which unstable nuclei is converted into stable nuclei by releasing…

Q: Explain how the existence of isotopes is related to the fact that atomic masses are not whole…

A: Isotopes: Compounds that are having same atomic number but the different mass number is called…

Q: Silversmiths are warned to limit their exposure to silver in the air to 1×10*8 g Ag/L of air in a 40…

A:

Q: An element has three naturally occuring isotopes with the following masses and abundances…

A: This element is Silicon as the data provided within the question is relevent to the Silicon Element

Q: 2T) A comprnd Cim 15 5.१५°% Olygen is 5.9496 mass of this com A) what Is the B) what IS the

A: Percentage of hydrogen = 5.94 %  Percentage of oxygen = 94.06 % Molar mass of compound = 87.55 g/mol

Q: has a mass about the same as that of a proton has a-1 charge is found in the nucleus is attracted to…

A:

Q: Where are particles with virtually no mass found in the atom? A. The electron cloud B. Inside the…

A: Ans  A)  The electron cloud .

Q: ? + 4Ni→7Rg+¿n Express your answer as an isotope or a particle. 28

A: In a balanced nuclear reaction, number of protons and number of neutrons on either side of the…

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

A: Given that boron has two naturally occurring isotopes. One of them is B-11 with atomic number 5. The…

Q: 1.What are the properties og subatomic particles?

A: Given : Subatomic particles To find : Properties of subatomic particles  Solution : Everything is…

Q: In any neutral Adam there are equal numbers of? A. Neutrons and electrons B. Protons and neutrons…

A: Neutral atom are those having not any charge. They are wholely neutral

Q: Describe the experiment that provided the basis for ourunderstanding of the nucleus.

A: Describe the experiment that provided the basis for our understanding of the nucleus.

Q: Which of the following statement concerning the nucleus is NOT true? A) The density of a nucleus…

A: The nucleus is the positively charged center in an atom that contains protons and neutrons. The…

Q: An element has three stable isotopes with masses of 27.977 amu, 28.976 amu, and 29.973 amu. The…

A: The average atomic mass of an element is calculated by considering the atomic mass of each isotope…

Q: b. An atom that has a mass number of 39 and contains 19 protons. Potassium C. An atom with mass…

A:

Q: Explain how the isotopes of an element are alike and how they are different.

A: An atom is composed of protons, electrons, and neutrons. The protons and neutrons are present in the…

Q: (a) Assuming the dimensions of the nucleus and atomshown in Figure 2.10, what fraction of the volume…

A: In order to find the fraction of the volume occupied we first write down the given data: From the…

Q: How many isotopes does this element have?

A: From the graph, it is cleared that the number of isotopes of the unknown element is 5.

Q: B) The average atomic mass of chlorine is 35.453. Does this mean that there are just two stable…

A: In order to explain the answer for the above question we have to first understand the given question…

Q: On the fictional planet Zeus, boron occurs as 55.46% of 10B (atomic mass = 10.01 u) and 44.54% of…

A:

Q: On a distant planet, the element silver has an average atomic mass of 107.94 amu and only two…

A: Average atomic mass of silver = M = 107.94 amu  Atomic mass of mass of one isotope (Let isotope A) =…

Q: What I still pass 15 protons 15 electrons and 17 neutrons?

A: Isotope:

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: ow to describe isotopes in my own words

A: By using definition of isotopes.

Q: 2. Add a neutron to the Carbon-12 nucleus. Observe how the mass number changes. Which particle(s)…

A: Atomic number of an atom = number of protons  For a neutral atom :-  No.of protons = number of…

Q: 14. Selenium-75 is used in the diagnosis of disorders related to the pancreas . How many (a) protons…

A: In a neutral atom the number of electrons and protons are same.

Q: A new synthetic element is found to have two isotopes. One isotope has an abundance of 68.2% and a…

A: Given: Abundance of 1st isotope = 68.2% Abundance of 2nd isotope = 31.8 % Atomic mass unit of 1st…

Q: Determine the nuclear composition (number of protons and neutrons) of the following isotopes. (d)…

A: The number of protons in the element = Atomic number of element And the number of neutrons in the…

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…

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.