Element symbol Mg Protons 10 Neutrons 12 Electrons 11 Mass number 24 23 00

Q: A hydrogen atom has a diameter of 1.06 X 10-10 m . The nucleous of the hydrogen atom has a diameter…

A: Given : Diameter of atom (da) = 1.06 × 10-10 m Diameter of nucleus (dn) = 2.40 × 10-15 m Scale…

Q: Supposing that an electron in a hydrogen atom is positioned at an average distance of 5.29x10–11 m…

A: *The distance is r = 5.29 × 10-11 m *The charge on the electron is qe = -1.6 × 10-19 C * The charge…

Q: Which of the following best describes the atom? I - Large-mass positive charges are found inside the…

A: Overview An atom contains nucleus having protons and neutrons. Protons have  large mass and positive…

Q: 10 8. 6 + t (s) 4 6. 8 10 12 -2 -4 -6 + -10 x (cm) 8.

A: Time period is the time taken in one complete oscillation. Amplitude is the maximum displacement.

Q: Fill in the nine gaps in this table. Element symbol Zn Protons 28 Neutrons 34…

A: in the neutral atom, no. of protons= no. of electron Mass no. = No. of proton + no. of neutron

Q: A neutral atom of the element potassium (K) has A 19 protons. B. 20 neutrons. C. 39 electrons. 58…

A: No.of protons in an atom is determined by atomic number of that atom .

Q: Prove that alpha radiation is the emission of a helium nucleus.

A: Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha…

Q: The specific heat of argon at constant volume is 0.075kcal/kg K. Calculate its atomic…

A: For monoatomic gases, the molar specific heat capacity at constant volume is expressed as,

Q: What are the positively charged particles of an atom called? A. ELECTRONS B. ELECTRON CLOUD C.…

A: To determine Positively charged particles of an atom

Q: What is the atomic number for the element platinum? 78 47 195 56

A: To determine Atomic number of element platinum

Q: The ratio of the stable Ar40 to K40 atom is found to be 10 in an old rock. All Argon atoms were…

A: Given that: Ar40K40=10Half life of K40, t1/2=1.25×109 years   (Available value)decay constant,…

Q: Define atomic number.

A: The atomic number of an element in periodic table  is the number of protons in the nucleus of an…

Q: Fill in the nine gaps in this table. Element symbol     Mg     Protons   20   Neutrons   20…

A:

Q: A typical atomic nucleus is about 5x10^-15m in radius. Use the uncertainty principle to place a…

A: Given values: Nucleus radius ∆x=5×10-15 m

Q: What is the number of protons, neutrons, and electrons for element has; atomic number 9, mass number…

A: The given problem is based on atomic physic, To solve the given problem we will define the mass…

Q: Choose the BEST answer to the following. The neutrons in an atom are normally found (a) inside the…

A: Answer: ai,e  inside the nucleus.

Q: 70 3Ga element: atomic #: # neutrons: # electrons: 31 15 p3- element: atomic #: # electrons: atomic…

A: Solution: To find element name, atomic mass, neutron, proton and electron

Q: Will electrons collide with the nucleus due to their attraction. Give answer with reason

A: No, electrons will not collide with the nucleus due to their attraction. The reason of this…

Q: Fill in the nine gaps in this table. Element symbol     Be     Protons   6   Neutrons   8…

A: Beryllium is denoted as Be. Carbon is denoted as C. Sodium is denoted as Na.

Q: What does the following element description actually mean? Na +1 A. Sodium atom with 12 protons, 11…

A: The periodic table tells us that sodium atom (Na) has an Atomic Number of 11, so there are 11…

Q: Choose the BEST answer to the following. When an element ejects an alpha particle, the atomic number…

A: Generally nuclear decay changes the number of protons in the nucleus of an atom and changes the…

Q: How many neutrons would you find in the isotope Gold-199 79 Au Gold 196.967 O 79 O 199 197 O 120

A: Write the given values with suitable variables. A=79M=199 Here, A denotes the atomic number and M…

Q: What determines the identity of the element? Atomic MASS (# of protons and neutrons) Atomic NUMBER…

A: What determines the identity of the element ?

Q: What holds the protons and neutrons together in the nucleus

A: Protons and neutrons

Q: After removing two electrons from helium atom it become? A) UV rays B) Alpha particle C) Gama…

A: There are three types of Ionizing radiation.                       1) Alpha radiation…

Q: A nuclide of the element plutonium Pu-242. What is the number of neutrons in its nucleus

A: Given data: The nuclide of plutonium Pu-242 Required: The number of neutrons (N)

Q: What characteristic of an atom is changing in nuclear reactions? nucleus of an atom O electron size…

A: There are two kinds of reactions, chemical reactions, and nuclear reactions. The given question is…

Q: Which atomic picture (named after the respective physicists) gives the most complete and accurate…

A:

Q: 15. If neon-20 captures an alpha particle, find the following for the product: i) the name of the…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: How many neutrons are in the nucleus of the atom 17 9 F

A: Given mass number is 17. Given atomic number is 9.

Q: out of the following, which is not emitted by radioactive substance? A. Electrons B. Electromagnetic…

A: The radioactivity is the spontaneous phenomenon by which the alpha particles, or the beta particles…

Q: In an atom strong force acts between protons and neutrons O protons neutrons O all the above

A: There are four kinds of fundamental forces and strong force or strong interaction is one of them.

Q: Fill in the nine gaps in this table. Element symbol K 19 7 Protons 16 Neutrons 20 18 16 Electrons 19…

A: Mass number is the total number of protons and neutrons in the nucleus.

Q: Write the appropriate symbol (with A, Z and the element symbol) for an yttrium isotope that has 39…

A:

Q: What property of an atom determines which type of element it is? O Number of Proton plus Neutrons O…

A: The number of electrons (e) is equal to the number of protons (p) in a atom.  The number is e/p in…

Q: Select statements that apply to the Rutherford model. Select one or more: a. The model suggested…

A:

Q: The value of A in the element symbol below determines the isotope of the atom.

A:

Q: Name the atom whose frequency is used to define a second

A: To name the atom whose frequency is used to define a second . Solution :-

Q: Element symbol     O     Protons   20   Neutrons   20   Electrons     14 Mass number 16   28

A: Oxygen has atomic number 8 and it's symbol is O.

Q: What gas was "emanation" from thorium, discovered by Ernest Rutherford? radium radon oxygen O xenon

A: During the radioactive process of Thorium  the 220Rn is the natural decay product of the most stable…

de Broglie Equation

The sketch of matter waves is drawn below: