Exam (elaborations)
BIOS 1300 Lab Quiz 2 With Correct Answers!!
- Course
- BIOS 1300
- Institution
- Ohio University
BIOS 1300 Lab Quiz 2 With Correct Answers!!
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Q&ABIOS 1300: LAB QUIZ 2 WITH CORRECT
ANSWERS!!
Smallest part of an element that retains the properties of that element ✔✔
atoms
What compomises the central nucleus of an atom? ✔✔ Protons and
neutrons
also called energy cells. Electrons that move around nucleus. ✔✔ electron
shell
Charges of electrons, protons, and neutrons ✔✔ P++ E-- N (neutral)
#s of protons in an atom of an element ✔✔ atomic #
What makes an atom electrically neutral? ✔✔ When the # of protons is =
to # of electrons
Sum of atoms protons and neutrons ✔✔ atomic mass
, Q&A
Atoms with the same atomic # but different weights ✔✔ isotopes
How many electrons are held in the valence shell? ✔✔ 8
What determines the chemical bonding properties of an atom? ✔✔
Electrons in the valence shell
Example of an element that is most stable and chemically inactive ✔✔
Helium
What determines the # and the kind of bonds an atom forms? ✔✔ # of
electrons needed to fill valence shell
The type of bonding transferring valence electrons to another atom is called
✔✔ ionic
The type of bonding sharing valence electrons with another atom is called
✔✔ covalent
Why do atoms want to have an octet of electrons? ✔✔ Most stable
Force holds sodium and chloride together in an ionic bond ✔✔
Electrostatic
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