The element neptunium (Np) has a radioactive isotope called 237N.. 237NP can undergo alpha deca to produce a helium nucleus and another atom (see equation below). What is the other atom? 237 3 Np ? + He

Q: All atoms are mostly ______ with the nucleus having a net charge of  _________.    A. empty space,…

A:

Q: What gets emitted when an electron relaxes from an excited state to the ground state?  A. Electrón…

A:

Q: Rutherford’s gold foil experiment consisted of firing positively charged alpha particles at a thin…

A: Rutherford alpha particle experiment. He observed that when alpha particles are passed through the…

Q: 20. What is the total number of electrons in spherically shaped orbitals in an atom of Cs?

A: Spherically shape orbital is s-orbital.  In this determine the number of electrons present in s -…

Q: Why can we say that an atom is mostly empty space?

A: Atoms consists of subatomic particles like electrons , protons and neutrons  Arrangement these…

Q: Indicate whether each of the following statements about the nucleus of an atom istrue or false.a.…

A: Nucleus consist of proton and neutron. Electron revolve around the nucleus in a certain closed path…

Q: What causes light to be emitted from an atom?

A: When we give energy electron it excited into higher energy level then it remain in that higher…

Q: What are three different atoms or atomic cations with 36 electrons.

A: An atom consists of fundamental particles protons, neutrons, and electrons. The protons are…

Q: Changing the number of electrons in an atom changes the atom’s..

A: Atomic Charge

Q: List the four different sublevels?

A: The sublevels in shells are denoted by the angular quantum number (l).

Q: SECTION 3: Communication 5. The development of the modern atomic theory was initiated by John Dalton…

A: Modal of Atom  by- i-Joseph J. Thomson  ii-Ernest Rutherford  iii-Neils Bohr's We need to Briefly…

Q: Atomic Radius decreases as you move left to right even though there are additional protons ,neutrons…

A: Atomic radius decreases as you move left to right even though there are additional protons, neutrons…

Q: What is the electron configuration for Ga?

A: The elements in a modern periodic table are arranged in increasing order of their atomic number. In…

Q: What

A: We will Give name of charged particle.

Q: True or false: Most of the volume of an atom is empty space

A: Rutherford discovered that majority of alpha particals flowed through the gold foil with no…

Q: How did Max Planck explain the fact that metal will glow different colors when heated?

A: Max Planck has studied the emission of light by means of hot objects. He observed a heated metal…

Q: Rutherford's Gold Foil experiment gave evidence that an atom is mostly empty space. a True b…

A:

Q: What can u conclude about atoms with the most number of holes? Why?

A: The smallest unit of ordinary matter that makes up a chemical element is an atom. Every solid,…

Q: QUESTION 18 The first scientist introduced the quantum concept that radiation is not emitted in…

A: Quantum concept that radiation is not emitted in continues amount but in discreet bundles of energy.

Q: What is the total number of electrons in Selenium-82 and Oxygen-14?

A: Selenium-82 ... isotope selenium , and Oxygen-14 is isotope of Oxygen. We have to find total no of…

Q: Ionization energy corresponds to the amount of energy absorbed when an atom... loses a proton…

A: Ionization energy corresponds to the amount of energy absorbed when an atom loses an electron.

Q: What is the spectrum of radiation from High to Low energy?   What is the spectrum of radiation…

A: The arrangement of waves based on their frequency or energy from higher to lower values furnishes…

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.