An elements atomic number is 79. How many protrons would an atom of this element have?

What is Uranium in the periodic table?

Two satellites, Satellite 1 and Satellite 2 are at equal distances from Earth. If the mass of Satellite 2 is greater than the mass of Satellite 1, then A. Earth pulls Satellite 1 but Satellite 2 does not pull Satellite 1 B.

A grandfather clock is controlled by a swinging brass pendulum that is 1.2 m long at a temperature of 27°C. (a) What is the length of the pendulum rod when the temperature drops to 0.0°C? (Round your answer to four significant figures.) mm

Which of the following statements is true of acceleration? A. Acceleration always has the same sign as displacement. B. Acceleration always has the same sign as velocity. C.

How do doorbells work?

How can you tell one element from another?

Which of the following is not an accurate statement about the attitude of teenagers when driving

the circumference of Earth's orbit is 938 million kilometres how fast does earth travel in km/h in one year

A material is said to be ductile if it

A professional soccer player succeeds in scoring a goal on 84% of his penalty kicks. assume that the success of each kick is independent.