An atom of element A has 39 protons. What would the element's atomic number be?

What happens to the current in a circuit when the resistance is increased

3yds = ? in (1 yd = 3ft)

2NaClO = 2NaCl + O2 what kind of reaction is happening

Which region in the United States has the fewest thunderstorms per year? Midwest, Southeast, Pacific Northwest, Great Plains

True or false 1. in a forced air heating system, the warm air circulates by convection. T/F 2. in an internal combustion engine, fuel burns outside the engine in chambers called cylinders. 3.

Teens realize that things may be "shades of gray" after they enter Piaget's social stage. identity crisis stage. menarche stage. formal operational stage.

Technician A says that fractured rods have a unique mating surface and that only the cap that was fractured is the one that will fit that rod. Technician B says that a powdered metal rod is less expensive, lighter, and as strong as a forged rod.

What is the expected wavelength (in cm) of 10.5 ghz microwaves in free space?

There are 5,280 feet in 1 mile and 12 inches in one foot. How many inches are in a mile?

An anion is an atom that has lost electrons. True or False?