All atoms of the same element have the same

A. number of neutrons.

B. number of protons.

C. mass numbers.

D. mass.

To neutralize gastric juices in your stomach antacids contain

Three identical balls are thrown from the top of a building, all with the same initial speed but at different angles. Neglecting air resistance, rank the speeds of the balls at the instant each hits the ground.

A balance uses small metal weights of known mass to determine the mass of a substance. Where would a balance NOT function correctly? a. in a vacuum on Earth b. on the Moon's surface c. on the Earth's highest mountain d.

Explain how electric current is able to flow.

How many nitrogen atoms are in one molecule of (NH4) 2SO4?

Potential energy that depends on height is called a. kinetic energy. b. gravitational potential energy. c. elastic potential energy. d. mechanical energy.

A steel railroad track has a length of 40 m when the temperature is - 5 ◦C. What is the increase in the length of the rail on a hot day when the temperature is 35 ◦C? The linear expansion coefficient of steel is 11 * 10-6 (◦C) - 1.

The seasons of the Year result from Earth's movement or ___ around the Sun

Work is defined as the use of force to move an object in the direction of that force and is equal to the force times the distance the object moved. How do energy and power relate to work?

2. In regards to the the zonal anatomy of the prostate gland, where do most carcinomas originate?