List of neutrons in elements
[DOC File]Periodic Table Vocabulary
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5. An element has 50 protons and 90 neutrons. Will the nucleus breakdown? Why or why not? 6. Will a nucleus of Zn-65 be stable or unstable? Explain. (Hint: the 65 represents the mass number of zinc) 7. What are the products of radioactive decay? 8. List elements which are always radioactive. 9. What is a radioisotope? 10. Define natural ...
[DOC File]Periodic Table worksheet
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Write the complete chemical symbol for the ion with 31 protons, 39 neutrons, and 28 electrons. Ga: 31 bottom left 70 top left +3 top right. Name of Element Element Symbol Mass Number. Atomic. Number Protons. Neutrons. Electrons. Boron B 11 5 5 6 5 Sodium Na 24 11 11 13 11 Gallium Ga 68 31 31 37 31 Yttrium Y 89 39 39 128 39 Copper Cu 64 29
How to Find the Number of Neutrons in an Atom: 11 Steps
NEUTRONS. are also in the nucleus with the protons, together their sum is the . MASS NUMBER. Neutrons are almost equal in mass to the protons and are . NEUTRAL. in charge. NEUTERONS. are responsible for creating isotopes. Outside the nucleus are the . ELECTRONS. which can be gained or lost to produce . IONS. Positively charged ion are called ...
[DOC File]CP Chemistry Worksheet: Ions
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Nov 11, 2014 · – elements that are made by scientists in a laboratory and do not exist in nature. Synthetic elements are typically identified as any element with the atomic number of 93 and up. Atom – the smallest unit of an element that has all of the properties of the element; basic building block of matter. Molecule
[DOC File]Topic List for Atomic Structure Unit
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Elements are different because their atoms contain different numbers of . a. electrons c. neutrons. b. protons d. nuclei. 6. Complete the table showing the number of protons and electrons in atoms of six elements. 52 Name Class Date 7. The total number of protons and neutrons in an atom is its . 8.
[DOC File]Name
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6.4 c Periodic Table of Elements Directions: Use the periodic table to fill in the below chart. Element Symbol Atomic Number # of protons # of electrons Atomic Mass Rounded Atomic Mass (show work) # of Neutrons Period 1 Oxygen O 8 8 8 15.999 16 16 - 8 = 8
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