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URI BIO 220- ANATOMY AND PHYSIOLOGY EXAM 1 Questions and Correct Answers/ Latest Update / Already Graded

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How many nuetrons does an atom of tritium have? Tritium is an isopropyl of hydrogen and one atom has an atomic Mass of 3.0 Ans: 2 How many protons does an atom of Carbon (C) contain? Ans: 6 How many neutrons does one atom of Boron (B) have? Ans: 6 Which of the following elements will have 18 electrons after a chemical reaction causes it to either lose or gain two electrons? Ans: Ca How many neutrons does one atom of Fluorine (F) contain? Ans: 10 Page | 2 Which type(s) of ions do Ionic Compounds form? Ans: Cations and anions Which of the following is one example of an ionic compound that readily disolves in water? NaCl CH4 N2 CO2 Ans: NaCl In the periodic table, which column number (#) of elements ALWAYS has a full outer shell of electrons #1 #3 #11 #18 Ans: 18 All rights reserved © 2025/ 2026 | Page | 3 How many electrons does one cation of Magnesium (Mg+2) have? Ans: 10

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URI BIO 220- ANATOMY AND
PHYSIOLOGY EXAM 1 Questions and
Correct Answers/ Latest Update / Already
Graded
How many nuetrons does an atom of tritium have? Tritium is an
isopropyl of hydrogen and one atom has an atomic Mass of 3.0

Ans: 2


How many protons does an atom of Carbon (C) contain?

Ans: 6


How many neutrons does one atom of Boron (B) have?

Ans: 6


Which of the following elements will have 18 electrons after a chemical
reaction causes it to either lose or gain two electrons?

Ans: Ca


How many neutrons does one atom of Fluorine (F) contain?

Ans: 10

All rights reserved © 2025/ 2026 |

, Page |2



Which type(s) of ions do Ionic Compounds form?

Ans: Cations and anions


Which of the following is one example of an ionic compound that
readily disolves in water?

NaCl

CH4

N2

CO2

Ans: NaCl


In the periodic table, which column number (#) of elements ALWAYS
has a full outer shell of electrons

#1

#3

#11

#18

Ans: 18



All rights reserved © 2025/ 2026 |

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