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

Q: What is the Vrms of Hydrogen atom (mass = 1.674 x 10^-27 kg/atom) at 300 K. 5.5 x 10^3 m/s O 1.2 x…

A: Given information Temperature of the hydrogen atom T = 300 K Mass of the hydrogen atom m = 1.674 ×…

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: Define the composition of an atom along with its electrons, neutrons, and protons.

A: Composition of an atom

Q: neutral atom whic ion which

A: 1. Rule for neutral atom which has no charge is the amount of proton should be equal to the amount…

Q: Which of the following diagrams best represents the size of the atomic nucleus relative to the size…

A:

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

A: A table with some missing values is given Let's find those missing values

Q: The nucleus of a certain atom has a radius of 4.0 × 10^-15 m. An electron orbits the nucleus at a…

A: Given data The radius of the nucleus is rn = 4 x 10-15 m The orbiting radius of the electron is Ro =…

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: Direction: Answer the following. 1. This particle is found in the nucleus and has no charge a.…

A: Given: The particle is found in the nucleus and has no charge. To choose correct option provided…

Q: How many protons, neutrons, and electrons does the element Tin (sn) have

A: To determine Protons, Neutrons and Electrons in the element Tin (Sn)

Q: The atomic number of a given element is equivalent to?   Group of answer choices   A)the sum of the…

A: The atomic number of a given element is equivalent to

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: Describe the principle of the experiment which established the nuclear model of an atom explaining…

A: SOlution: to describe the experiment which has establisehd the nuclear model of an atom.

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: What is an element?

A: The matter that exists in the purest form is called an element. They cannot be changed or broken by…

Q: Describe atomic spectra using the terms of electron shells, emission, absorption, and wavelengths.

A: Atomic spectra:When electron in an electron shell makes a transition from one electron shell to…

Q: 28. A core of and grouped together surrounded by Which of the following best completes the above…

A: In an atom the protons and neutron constitute the core or nucleus and the electrons are in motion at…

Q: The diameter of an atom is 1.2 × 10-10 m and the diameter of its nucleus is 1.0 × 10-14 m. What…

A: Diameter of the atom R=1.2 × 10-10 m The diameter of the nucleus r=1.0 × 10-14 m Consider both atom…

Q: The activity of a radioactive element falls from 600 s1 to 500 s1 in 40 minutes. The half-life of…

A:

Q: What subatomic particle was used by Enrico Fermi in reactions of bombardments O a-particle O…

A: In 1934 Italian physicist Enrico Fermi started bombarding elements with neutrons instead of protons…

Q: Select one or more: a. The model suggested presence of electrons orbiting the heavy nucleus. b. The…

A: Bohr model suggested presence of electrons orbiting the heavy nucleus in that orbit which is…

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: the subatomic particles effect the propertie

A: A Subatomic particle is nothing but a particle that is smaller than an atom in size. An atom can be…

Q: Explain the structure of the atom in general

A: Solution

Q: 2) The nucleus of an atom is made up of   Group of answer choices   A)protons and neutrons…

A: The nucleus of an atom consists of positive charge and neutral charge.

Q: A particular atom contains 29 electrons, 34 neutrons and 29 protons. Which element is this and tell…

A: A particular atom has 29 electrons, 34 neutrons and 29 protons. The atom is copper.

Q: ? 1. The mass on the periodic table. a. Atom ? _2. Region surrounding the nucleus where electrons…

A:

Q: Calculate the reactions of the structure shown in figure. El is constant. 4.0 m 2.0 m Half circle

A: Given Frame,

Q: Part 3 Atomic Cakulatinns: Complete the chart belowe. 10. Hof p #of n # of e Element Atomic # Mass #…

A: Atomic # - No. of protons or electrons Mass # - No. of protons + No. of neutrons

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: 8:The bottom number on element symbol represented by the "Z" below is the total number of…

A: Required : The bottom number on element symbol represented by the "Z" below is the total number of…

Q: How can an Electron be ejected from the nucleus if an atomic nucleus doesn't contain any electrons

A: In beta decay, the electron is emitted from the nucleus.

Q: 10 15 20 25 .001 in. 8 9 Mitutoyo o 10 20 30 40 50 60 70 80 MADE IN JAPAN O 1 2 3 4 5 6 7 0.02mm LO

A: Main scale = 25mm  Least count = 0.02mm n = 15 (vernier scale reading coincides with the main scale…

Q: Give the ion notation for an atom with 6 protons and 2 electrons

A: Given: The ion has 6 protons and 2 electrons ,  let atom be represented by A   We know that for…

Q: Sketch a diagram of a boron atom, which has five protons and six neutrons in its nucleus

A:

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

A:

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

A:

Q: To get an idea of the size of the parts of an atom, including the nucleus and the amount of space,…

A: Here, we want to take the idea of the size of an atom, by comparing it to physical objects.