Physics, 11.03.2022 22:00 izzy201995
Which of the following statements about ions is true?
a. All metals form more than one type of ion.
b. Many transition metals can form more than
one type of ion.
c. Halogens form more than one type of ion.
d. Alkali metals form more than one type of ion.
Answers: 1
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If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?
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Aresistor with an unknown resistance is connected in parallel to a 9 ω resistor. when both resistors are connected in parallel to an emf source of 21 v, the current through the unknown resistor is measured with an ammeter to be 4 a. what is the resistance of the unknown resistor? answer in units of ω.
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Which of the following statements about ions is true?
a. All metals form more than one type of ion...
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