A. Radiometric datin B. If daughter atoms C If parent atoms h

Q: 28. Radioactive decay is a process in which an unstable changes energy states and emits radiation.…

A:

Q: In _______, a negatively charged electron is ejected from the unstable nucleus, converting a neutron…

A: Stability of the nucleus is generally influenced by 3 factors- Mass Defect: greater mass defect,…

Q: C. NBS, hu Br

A: The mechanism of the reaction is radical bromination reaction which can be accomplished as…

Q: A particular atom has the symbol: 25Ne2- This atom has: protons - ? neurons - ?  electrons- ?…

A: The symbol is given as, 25Ne2- First of all, this is not an atom. This is an ion, an anion.  The…

Q: Which of the following contain(s) atoms? . • a. heat . b. energy • c. dust . d. light .e. all of the…

A: Atoms are the fundamental building blocks of matter, composing every tangible substance we…

Q: A fictitious element Z has an average atomic mass of 223.21 u.223.21 u. Element Z has two naturally…

A: Average atomic mass: The average atomic mass of an element is the sum of the masses of its isotopes,…

Q: es to access important values if needed for this question. A certain element consists of two stable…

A:

Q: 10. For the Isotope 6731Ga A. What is the atomic number? B. What is the mass number? C. What is the…

A: Question 10: Given isotope is: 6731Ga. What is its atomic number? What is its mass number? How many…

Q: How many hydrogen atoms are there on the carbon atom labeled "A"?

A:

Q: 28. Radioactive decay is a process in which an unstable changes energy states and emits radiation.…

A: A material containing and stable nuclei is considered radioactive .Three of the most common type of…

Q: Neutral atoms always have the same number of __________________.

A: A atom consist neutron , proton  and electrons. Neutrons and protons are present  in nucleus. Atomic…

Q: Why is carbon considered the element of Life? What makes carbon unique? Can you think of something…

A: Given statements,    Carbon considered the element of Life    Unique property of Carbon    Something…

Q: 20. The atoms of the elements in Group 2 have the same (1) mass number (2) atomic number (3) number…

A: Both answer is given below

Q: Gallium is a metal which forms compounds with a wide variety of uses. Some of the applications of…

A: Gallium (Ga) consists of two isotopes.The isotopic mass of  = 70.9247050 amuThe abundance of  =…

Q: Based on its outer shell, the atom in figure 2.5 would be characterized as _

A: The total no of electrons = 2 The atom represented has only one orbit that has 2 electrons.

Q: In which molecule would nitrogen's lone pair be located closest to the nucleus of nitrogen? A. NH3…

A: The distance between the nucleus of the nitrogen atom and its lone pair will depend upon the…

Q: What subatomic particles diated whether a bond is covalent or ionic?  A. Electrón  b. Alpha…

A: The particles given are electron, alpha particle, photon and light.

Q: Negatively charged atoms are called cations. A. True B. False

A: Ions are the species that carries charge. Ions can be an atom or a group of atoms carrying positive…

Q: Atoms with the same number of protons but with different electrical charges _____.

A: Electric Charge is two types.    Positive charge Cation and negative charge anions

Q: Match each with the best fit possible: 1. Is a characteristic of nonmetals 2. Have physical and…

A: Given question related to identification of an element which fits the given characteristics.

Q: If you break apart an ________ of an element like carbon, it’s not carbon anymore.

A: The smallest unit of matter is called the atom.

Q: CO,Et HO (1 equiv) NO2 NO2 a.) b.) c.) ON NO2 NO2 -NO2 CO,Et ON NO2 co,Et e.) CO,Et CO̟E! O,N- NO2…

A: First step of this reaction is formation of carbanion. And 2nd step is ipso substitution.

Q: . True or False: Deuterium has the greatest number ofprotons of all the isotopes of hydrogen.…

A: The electrons, protons, and neutrons are the basic constituents of an atom. They help in determining…

Q: ations have a positive charge because _____________   a. the number of subatomic particles in the…

A:

Q: 2) The Nucleus of an atom contains what? a. Negatively charged protons b. Positively charged protons…

A: We have to find out what a nucleus of an atom contain.

Q: mass number for the hafnium isotope with 106 neutrons Express your answer as an integer.

A: An atom basically consists of proton, neutrons and electrons. The protons and neutrons are present…

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.