If element X has 17 protons, how many electrons does it have?

Which of the following would cause an atom to have a positive electric charge? A. having more protons than electrons B. having more electrons than protons C. having more electrons than neutrons D. having more neutrons than protons and electrons

What is the mass of an object that has a density of 0.7 g/cm3 and a volume of 8 cm3? (The density of an object has the equation d=.)

What causes earths seasons, even though earth is always tilted the same way during its revolution around the sun.

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A current I = 20 A is directed along the positive x-axis and perpendicular to a magnetic field. A magnetic force per unit length of 0.16 N/m acts on the conductor in the negative y-direction.

a man applies a force of 100n to a rock for 60 seconds but the rock does not move what is the amount of work done by the man on the rock

The driver of a car traveling at 32 m/s applies the brakes and undergoes a constant deceleration of 2.25 m/s^2.

You are going to develop some photographic film that involves a chemical reaction between the developer, which you will mix yourself, and a chemical on the surface of the film.

Would time travel mean that parallel universes would be created off our linear time sequence to ensure the universe doesn't collapse itself because of significant events being drastically changed in the way it shapes the universe?

What is the central core of hair