19. An atom of phosphorus has an atomic number of 15 and a mass number of 31. How many neutrons does it contain? 15 16 31

Q: The work function of an element is the energy required to remove an electron from the surface of the…

A: Interpretation: The work function of an element is the energy required to remove an electron from…

Q: 2. For the  14N  Isotope identify the number of Protons,  Neutrons,  Electrons

A:

Q: How many protons and neutrons are there in each of the following atoms? an atom of nickel-64

A: Here, we have to calculate the number of protons and neutrons in an atom of nickel-64.

Q: If an atom of fluorine (F) has an atomic mass of 18.998, how many neutrons are in the nucleus? 9. O…

A: Applying formula A= Z+n

Q: Fill in the information missing from this table. nuclide protons neutrons A 22 27 ? 52 130 77 Se 34

A:

Q: Thorium*2 Zinc - 67 Chemical Symbol Atomic Number, Z Mass Number, A 30 232 # of protons # of…

A:

Q: How many protons, neutrons, and electrons are there in a neutral atom of 199F? #neutrons # electrons…

A: Given symbol of the atom = 919FNumber of protons = ?Number of neutrons = ?Number of electrons = ?

Q: The atomic number of an atom is equal to the number of:    neutrons plus protons   protons…

A: Atomic number : It is the number of protons present in the nucleus of an atom .  For example -  An…

Q: w many neutrons are there in an atom of lead whose mass number is 208? O 208 O 82 O ) 126 290 44

A: Atom consist of protons. neutrons and electrons.An atom consist of nucleus which is made up of…

Q: Fill in the blanks in the table below. paper to find those values.) Element Name Atomic # # of…

A: The atomic number is the number of protons in the atom. The mass number is the number of protons and…

Q: How many neutrons are there in an atom of

A: The objective of the question is to find out the number of neutrons in an atom of 39 19 K…

Q: Part A Once you have filled in all the gaps on a separate sheet of paper, enter the four missing…

A:

Q: Mass of one a mu)             Carbon Type 1                        12.0             Carbon Type 2…

A: The mass of 1 carbon -12 atom = 12 amu. The mass of 1 mole of Carbon = 12 g/mol.

Q: An atom with 4 electrons, 4 protons and 8 neutrons has an atomic number of...   Group of answer…

A:

Q: Fill in the missing information for each of the following 3 neutral isotopes: Element: Mass Number:…

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Q: Which statement about subatomic particles are false? Protons have about the same mass as neutrons.

A: An atom is made up of subatomic particles which are protons, neutrons and electrons.

Q: 37 The actual mass of a 17CI atom is 36.9659 amu. Calculate the mass deficiency (amu/atom) for a Cl…

A: Mass defect per atom is determined from the difference between calculated mass and theoretical mass.…

Q: An Se atom has a mass number of 78. How many neutrons does it have?

A:

Q: Isotope Mass Number Protons Neutrons Electrons 35 Cl 37 Cl

A: For a given isotope notation, we can determine the mass number , protons , neutron and electrons.…

Q: Consider a hypothetical case in which the charge on a proton is twice that of an electron. Using…

A:

Q: What is the difference between protons and neutrons?

A: We have to write the difference between protons and neutrons.

Q: There are electrons, _protons, and_neutrons in an atom of 146C. O 6, 8, 6 O 6, 6, 14 O 6, 6, 8 O 6,…

A: Carbon -14  Atomic number -6  Mass number -14  No. Of electrons = No. Of protons = Atomic number = 6…

Q: Which of the following has the greatest number of neutrons? O antimony-123 O tin-121 55 Fe 26 O the…

A: We know that ; Atomic number of element is equal to the number of protons in the element . ( Atomic…

Q: Isotopes differ in the number of protons neutrons electrons none of the above all of the above

A: The question is based on the concept of atomic structure. we need to describe the features of…

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.