QUESTION 3 f the atomic number of an element is 12 and its atomic mass is 25; you could conclude that th O 12 neutrons; 13 protons and 13 electrons O 13 neutrons; 12 protons and 12 electrons O 12 neutrons; 13 protons and 12 electrons O 13 neutrons; 12 protons and 13 electrons QUESTION 4 An atom of an element with an atomic number of 11 and an atomic mass of 23 would have: O 12 protons; 11 neutrons and 23 electrons O 11 protons; 12 neutrons and 23 electrons O 11 protons; 12 neutrons and 11 electrons none of the above

Q: I have to explain why this question is incorrect as I put the wrong answer for this and explain why…

A: Given , Heavier isotope has = 42 neutrons Gi2+ ha  40 electrons

Q: How many protons are in the nucleus of an atom of eachelement?(a) Ar(b) Sn(c) Xe(d) O(e) Tl

A: Since you have posted multiple sub-parts, the answer for first three sub-parts are given below.…

Q: 3. Which of the following is noi part of Dalton's atomic theory - a Atoms cannot be divided,…

A: Given postulated of Dalton atomic theory are : a). Atoms cannot be divided, created or destroyed.…

Q: 90. Write isotopic symbols in the form X-A (for example, C-13) for each isotope.(a) the iodine…

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

Q: A monatomic ion has a charge of +2. The nucleus of theparent atom has a mass number of 55. If the…

A: The given data contains, charge of ion = + 2. mass number = 55.

Q: 21.3 gram of salt E(NO)3  are dissolved in 500 ml of solution.The concentration of (NO3-) is 0.6…

A: Given data:

Q: 7. The element boron consists of two stable isotopes with atomic masses of 10.01 amu and 11.0 amu.…

A: The atomic mass of the Boron is = 10.81 amu and it has two isotopes: B-10 having atomic mass 10.01…

Q: 4. How are isotopes of the same element alike? How are they different? 5. Natural lithium comes in…

A:

Q: Calculate the atomic mass element "X" if it has 2 naturally occuring isotopes withthe following…

A: Percent abundance of X-51 = 67.88 %  Percent abundance of X-53 = 32.12 %

Q: Be sure to answer all parts. The following table gives numbers of electrons, protons, and neutrons…

A: a) For atoms (neutral species), the number of electrons is equivalent to the number of protons.…

Q: 2.5.1 Boron has two naturally occurring isotopes, 1°B and "B, which have masses 10.0129 and 11.0093…

A: Isotopes are the elements which have same atomic number but different mass number which means that…

Q: question below

A:

Q: 3. A) Boron, element number 5, exists in only two common stable isotopes. They are B-10 and B-11.…

A: A) Given : There are only 2 naturally isotopes of boron i.e B-10 and B-11. The average atomic mass…

Q: e) A strange sample has 3 isotopes with abundances 1.4%, 24.1% and 74.5%. The atomic masses of the…

A: The average atomic mass of an atom is calculated by the formula: Avg atomic mass=∑Relative…

Q: (c) 35 (d) 13 3. In the periodic table, if oxygen were assigned an atomic weight of one, what would…

A: given, atomic weight of O is assumed to be 1

Q: Which of the following concerning atomic mass is/are correct? 1. The atomic mass listed on a modern…

A:

Q: Which two elements on the periodic table are in the same period? O Sn and Rb O K and Ba O F and Cl O…

A: The periodic table is divided into 18 groups and  7 periods.(i)  The 18 vertical columns that goes…

Q: Nitrogen has two naturally occurring isotopes, N-14 and N-15. Its atomicmass is 14.007. Which…

A: Isotopes are atoms of same elements which have same atomic number but different mass number. There…

Q: 3. A. B. C. A chlorine atom has 18 neutrons and an atomic mass of 35. How many protons are in the…

A: In an atom three fundamental particles are present. Positively charged particle proton and neutral…

Q: The number of electrons (e) and protons (p) in Cr+3 ion is ………………………

A: The provided atom is Cr3+.  Atomic number of Cr =24 When we take the neutral atom.Then, Number of…

Q: Both lithium (Li) and silver (Ag) have 2 naturally occurring isotopes. Calculate the atomic mass of…

A:

Q: Please answer question a & b both.

A: Average atomic mass can be determined by the equation given below:

Q: Lithium has 2 stable isotopes Li-6 and Li-7. One of them has an abundace of 92.5% and the other has…

A: Since the atomic mass of any element is average atomic mass of its isotopes. hence the atomic mass…

Q: Name the elements give in the following information. a.20 protons b. 8 electrons, O chi irge C.15…

A: Name the elements give in the following information. a.20 protons b. 8 electrons, O chi irge C.15…

Q: Which of the following statements is false? a. The proton and neutron are primarily responsible for…

A: we have to select the false statement

Q: 16) What's the atomic number of sulfur-34 ? A) 34 B) 18 C) 16 17) In the formula of hydroxylapatite…

A: According to our guidelines we can answer only three subparts

Q: 4. A naturally occurring element X exists in three isotopic forms on the third planet of the Alpha…

A: Formula to calculate atomic mass from natural Abundance is :-  Atomic mass = ∑atomic mass × natural…

Q: if the atomic element has the following: Symbol    Protons        Neutrons         Electrons…

A:

Q: 1. A car is moving with a velocity of 65 km/hr. How many miles would it travel in 35 sec. (1 mile…

A: Mathematical calculation is shown below

Q: 3. Which species has a negative charge? A. a lithium ion B. an alpha particle С. an aluminum ion D.…

A: In the process of radioactive decay an unstable nucleus is disintegrated to smaller nuclei along…

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: Be sure to answer all parts. The following table gives numbers of electrons, protons, and neutrons…

A: The concept for determining charge and neutrality on the given element is- If electron = protons…

Q: Which element has 52 protons? O Boron (Z x A = 52) O Chlorine (Z + A = 52) O Tellurium (Z = 52) O…

A: Which element has 52 proton ?

Q: Given the following information about the isotopes of Titanium, calculate the average atomic mass of…

A: We know that,

Q: 4. An ion of iron has an 26 protons, 30 neutrons, and 23 electrons. What are its atomic number,…

A: Calculate atomic number, atomic mass and net charge of the given isotopes ,?

Q: Which equation is true of an atom with no electrical charge? O A. Number of electrons = number of…

A: Here given options regarding an atoms.we are asked which is true for an atom with no electrical…

Q: Question 9 of 20 Jesús sketched models of two different neutral isotopes of sodium. If the isotope…

A: Atoms that have the same atomic number (number of protons), but different mass numbers (number of…

Q: The atomic number of an element is 31 and the mass number of one of its atoms is 65.  This atom…

A: Atomic number :- The number of protons present inside the nucleus of an atom is called mass number (…

Q: How many electrons, protons, and neutrons are there in an atom ofa40Ca?   a 30 protons, 30…

A: Given : We have to tell how many electrons are electrons, protons , neutrons are there in Ca.

Q: Which of the following statements is true for a 25Mg+2 cation? O .it has 12 protons, 10 electrons,…

A: The general notation of the symbol of an atom is: XZA Here, Z is the atomic number and A is the mass…

Q: The atomic weight of Chlorine is 35.45 and its naturally occurring isotopes are Cl-35 and Cl-37.…

A:

Q: potassium has three stable isotopes k-39, k-40 and k-41 but k-40 has a very low natural abundance.…

A: K  has 26 number of possible isotopes from 31K to 57K but among them only three are stable isotopes…

Q: 1. explain what happens to an atom when the number of protons, neutrons, or electrons changes, while…

A: 1) If you change the number of protons in an atom, you will change the atom from one object to…

Q: ElementX has 3 isotopes. What is the average atomic mass? Isotope 1 has a mass of 24 with a…

A:

Q: On another planet, the isotopes of titanium have the given natural abundances. Isotope Abundance…

A:

Q: Complete the following sentence: 'Different isotopes of the same element have..' O the same number…

A: Introduction The species which comprised of similar atomic number but the different mass number…

Q: Strontium (Sr, atomic number 38, average atomic mass = 87.62) naturally exists as 4 stable isotopes…

A: Strontium-88 is the most abundant. Hence option C is correct.

Atomic Structure

The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.

Shape of the D Orbital

Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.