Which of the following describes an electric conductor?

What type of nuclear decay causes the atomic number of an element to increase by 1?

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius

An electron moves with a constant horizontal velocity of 3.0 × 106 m/s and no initial vertical velocity as it enters a deflector inside a tv tube. the electron strikes the screen after traveling 26 cm horizontally and 19 cm vertically upward with no horizontal acceleration. what is the constant vertical acceleration provided by the deflector? (the effects of gravity can be ignored.)