investigation 5 written argument

Neon-22 contains 12 neutrons. It also contains a. 12 protons. b. 10 protons. c. 22 protons. d. 22 electrons.

What if a new element, Tyserium (Ty), was discovered and was found to have two isotopes, Ty-331 (atomic mass = 331amu, % Abundance =35% abundant) and Ty-337 (atomic mass = 337 amu, % abundance = 65%). What is the average atomic mass of Ty as it would appear on the periodic table ? a. 335 b. 334 Oc. 332 Od. 336

Which combination of protons neutrons and electrons correctly represents a neutral 57 Fe atom a. 26 proton 31neutrons 57 electrons B 26 proton 31 neutrons 31 electrons C.  57 proton 26 neutrons 26 electrons D. 57 proton 26 neutrons 57 electrons E. 26 proton 31 neutrons 26 electrons

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Which class of elements best conducts electricity? nonmetals B. A. metals D. noble (inert) gases C. semimetals O A O B ос O D

Based on the information gathered from the periodic table seen in Figure 2-H, Magnesium will most likely _____ to form an ion.     A.lose electrons B.lose neutrons C.gain electrons D.gain protons     Based on the information gathered from the periodic table seen in Figure 2-H, Magnesium (its most common isotope) has ____ neutrons.   A.10 B.12 C.36 D.24

Match the correct name with the correct symbol. Magnesium Choose... Aluminum choose... Copper Choose... Zinc Choose... Sodium Choose...

17 Electrons / By 90 18 neutrons, 142 neutrons. Electrons 17 protons protons. 90 2. Yttrium was discovered in 1794. It is one of the elements used in superconductors. How many electrons, neutrons, and protons are in an atom of yttrium-88? 39 Electrons, 50 neutrons, Protons neutrons 15 protons b. phosphorus-32 17 neutrons 28 protons 30 neutrons c. nickel-63 39 3. How many neutrons and protons are there in each of the following nuclides? 77 Protons 6 8 a. carbon-14 d. iridium-192 115 neutrons Protons Percentage 0.350% 2.27% 11.56% 11.55% 56.90% 17.37% 26 Protons e. iron-54 28 neutrons 93 Protons f. neptunium-235 93 neutrons 4. Find the average atomic mass of silver if 51.83% of the silver atoms occurring in nature have mass 106.905 u and 48.17% of the atoms have mass 108.905 u. 5. Find the average atomic mass of krypton if the relative amounts are as follows. Isotopic mass 77.920 u 79.916 u 81.913 u 82.914 u 83.912 u 85.911 u 6. A particular atom of potassium contains 19 protons, 19…

Determine the number of protons and electrons in each ion  I¹- A.53 protons, 52 electrons B.53 protons, 54 electrons  C.17 protons, 7 electrons D. 53 protons, 53 electrons