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11 questions
Which of the following subatomic particles has a negative charge? (check all that apply)
Protons
Neutrons
Electrons
Which of the following subatomic particles are located in the nucleus of the atom? (check all that apply)
Protons
Neutrons
Electrons
Atoms of the same element that have a different number of neutrons are called
ions
isotope
isomer
radioactive
Glucose and galactose have the same molecular formula but a different arrangement of the atoms. These molecules can be referred to each other as
Ions
Isotopes
Isomers
radioactive
Atoms that gain or lose electrons become
ions
isotopes
isopmers
radioactive
What type of bond is formed between an atom that completely transfers its valence electrons to another atom?
Hydrogen bond
James bond
Covalent bond
Ionic bond
What type of bond is formed between atoms that share their valence electrons?
Hydrogen bond
James bond
Covalent bond
Ionic bond
A polar molecule... (check all that apply)
Lives at the North Pole
Is hydrophobic
Is hydrophilic
has an asymmetrical charge distribution across the molecule
has a symmetrical charge distribution across the molecule
What are examples of hydrophobic substances? (Check all that apply)
Sugars
Ions
Lipids
oils
What are examples of hydrophilic substances? (check all that apply)
Sugars
Ions
Lipids
oils
What type of bond is formed between a positive hydrogen end of one molecule and a negative oxygen or nitrogen end of another molecule?
Hydrogen bond
James bond
Covalent bond
Ionic bond
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