Question 3 of 20 :
Select the best answer for the question.
3. Which of the following is characteristic of non-metals?
A. They tend to be denser than metals.
B. They're always solids at room temperature. ☆
C. They're strong conductors of electricity.
D. They tend to gain electrons in chemical reactions.
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Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Which of the following statements is true about planck’s law

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present