Chemistry, 25.06.2019 09:30 robertsabbiegale
7. the grid in a triode is kept negatively charged to prevent a. electrons from escaping from the tube containing the triode. b. electrons being repelled back to the cathode. c. the electrons from being attracted to the grid instead of the anode. d. the variations in voltage from getting too large.
Answers: 1
Chemistry, 22.06.2019 16:30
Correct relationship between molecular formula and empirical formula
Answers: 1
Chemistry, 22.06.2019 21:00
As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.
Answers: 1
Chemistry, 23.06.2019 02:00
Alice did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. she placed a ray box in front of a mirror. she changed the angle at which the light from the ray box struck the mirror and noted the corresponding angle at which the mirror reflected the light. which of the following is the dependent variable in this experiment? the mirror used to reflect the light the ray box used as the source of light angle at which the light from the ray box strikes the mirror angle at which the mirror reflects the light from the ray box
Answers: 2
7. the grid in a triode is kept negatively charged to prevent a. electrons from escaping from the tu...
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