Test
Chapter 2 Chemistry Section
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Preguntas del test (34)
1What are the three subatomic particles
- AProtons, neutrons, electrons
- BNeutrons, electrons, atoms
- CParticles, peptides, molecules
2The first ring of electrons holds [blank_start]2[blank_end] electrons. 2,3,4,5,vetc... rings hold [blank_start]8[blank_end] electrons
- A2
- B1
- C8
- D16
3The octet rule atoms behave in a way to make sure their valence shell is complete.
- AVerdadero
- BFalso
4When an atom is electrically neutral it means that there's the same amount of neutrons and protons
- AVerdadero
- BFalso
5Elements are made up of only [blank_start]one[blank_end] type of atom.
- Aone
- Btwo
6what is correct about the Atomic number
- AGives the number protons
- BGives the number of electrons
- CGives the number of protons and neutrons
- DNone of the above
7Atomic mass is the number of protons and electrons
- AVerdadero
- BFalso
8An isotope is an element that has different amount of [blank_start]atomic mass[blank_end].
- Aatomic mass
- Belectrons
9A compound is two or more [blank_start]elements[blank_end] joined by a bond.
- Aelements
10Atoms join together to make a molecule because of the bond between their electrons.
- AVerdadero
- BFalso
11Inert element is when the [blank_start]valence shell[blank_end] is complete.
- Avalence shell
- Batoms
- Celectrons
12An ionic bond is when...
- AThey don't have the same amount of electrons
- BOne is an electron donor and one is an electron acceptor
- Cit can break in water
- DAll of the above
13A electron donor is a [blank_start]cation[blank_end] and a electron acceptor is an [blank_start]anion[blank_end]
- Acation
- Banion
- Canion
- Dcation
14A covalent bond is when pairs of electrons are [blank_start]shared[blank_end] between atoms.
- Ashared
- Badded
- CNone of the above
15A [blank_start]single[blank_end] covalent bond shares one pair of electrons
A [blank_start]double[blank_end] covalent bond shares two pairs of electrons
A triple covalent bond shares [blank_start]three[blank_end] pairs of electrons- Asingle
- Bdouble
- Ctriple
- D2
- E1
- F3
- Gthree
- Hone
- Itwo
16A nonpolar covalent bond is [blank_start]equal sharing[blank_end] of electrons because they have equal pull
- Aequal sharing
- Bunequal sharing
- CNone of the above
17Polar covalent bond is when there is an [blank_start]unequal sharing[blank_end] of electrons because one has a [blank_start]disproportionately[blank_end] strong pull.
- Aunequal sharing
- Bequal sharing
- Cdisproportionately
- Dproportional
18Nonpolar bonds are hydrophobic
- AVerdadero
- BFalso
19Polar bonds are hydrophilic
- AVerdadero
- BFalso
20Hydrogen bond is a bond between adjacent [blank_start]molecules[blank_end] not [blank_start]atoms[blank_end]
- Amolecules
- Batom
- Catoms
- Dmolecule
21Hydrogen bond is strong and forever
- AVerdadero
- BFalso
22Water is a lubricate for the body
- AVerdadero
- BFalso
23[blank_start]Intracellular[blank_end]= water inside cell
Extracellular= water [blank_start]outside[blank_end] the cell
[blank_start]Intravascular[blank_end]= plasma and blood vessels
interstitial= [blank_start]between cells[blank_end]- AIntracellular
- Bextracellular
- Cplasma
- Doutside
- Einside
- Fin plasma
- GIntravascular
- Hextracellular
- Iinterstitial
- Jbetween cells
- Kinside cells
- Lin plasma and blood vessels
24A mixture is
- Aa uniform mixture
- Bsolute
- Csolvent
- DNone of the above
25A solvent dissolves a solute
- AVerdadero
- BFalso
26A solution is when a solute is dissolved in a solvent
- AVerdadero
- BFalso
27A colloid solution _________
- AA) Will remain mixed together
- BB) A solution of a very large organic molecule
- CC) the particles will settle
- DD) A and B
28In a suspension particles will [blank_start]settle[blank_end] and will [blank_start]fall apart[blank_end].
- Asettle
- Bstick
- Cmix
- Dfall apart
- Estick together
29A major intracellular cation is [blank_start]K+[blank_end]
A major extracellular cation is [blank_start]Na+[blank_end]- AK+
- BC
- CNa
- DNa+
- ECO-
- FOH-
30An electrolyte undergoes dissociation or ionization in water
- AVerdadero
- BFalso
31Type of electrolyte
[blank_start]acid[blank_end]= donates proton
base= [blank_start]accepts proton[blank_end]
salt= [blank_start]not positive or negative[blank_end]- Aacid
- Bsalt
- Cbase
- Daccepts proton
- EDonates protons
- Fnot positive or negative
- Gpositive
- Hnegative
- Ipositive and negative
32A buffer system is to maintain homeostatic pH
- AVerdadero
- BFalso
33The function of a buffer system is when it reacts with a [blank_start]strong[blank_end] acid or base and replaces it with a [blank_start]weak[blank_end] acid or base.
- Astrong
- Bneutral
- Cweak
- Dion
34A acid has a [blank_start]H+[blank_end] present
- AH+
- BOH-
- CC
- DNa+
Información
- Descripción
- Test sobre Chapter 2 Chemistry Section, creado por Carley Clift el 10/09/2021.
- Autor
- Carley Clift
- Idioma
- English
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- 0
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