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11 Cards in this Set

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  • Back
Beryllium (Be) has an atomic number of 4 and an atomic mass of 9. Beryllium has _____.
9 electrons
Aluminum (Al) has an atomic number of 13 and an atomic mass of 27. Which of the following correctly shows the electron arrangement for aluminum?
2, 8, 17
Chlorine (Cl) has nine electrons. How many electrons are in the n=1 shell?
7
Sulfur (S) has 16 protons and 16 neutrons. How many electron shells does an element of sulfur have?
2
A base _____.
releases hydrogen ions
Sayid is testing the properties of substance A. It feels slick and soapy. Substance A is most likely _____.
an acid
Acids _____.
can cause serious burns
Viktor tests a solution with a strip of blue litmus paper. The paper turns pink. The solution is a _____.
strong base
Which of the following pH values represents a strong acid?
13
Hydrogen ions _____.
are released by bases
How are blue and red litmus papers alike?
They both change color in acids