What is the average mass of an atom of an element, measured in atomic mass units?

What is the number of protons in the nucleus of an atom, which determines the element?

An imaginary line around which an object rotates is called?

What is Balanced Force?

A representation of a compound using symbols and subscripts to show the elements and their relative numbers of atoms is called?

What is a number placed in front of a chemical formula to balance the equation?

What is a substance composed of two or more different elements chemically combined?

What is a negatively charged subatomic particle that orbits the nucleus?

What is a pure substance made up of only one type of atom?

What is the ability to do work?

What is the conversion of one form of energy into another?

What is a push or pull that can change an object's motion?

What is a vast collection of stars, gas, dust, and dark matter held together by gravity?

A vertical column in the periodic table that contains elements with similar properties is called?

What is a plot of stars based on their luminosity and temperature?

For every action, there is an equal and opposite reaction is called what?

The idea that Energy cannot be created or destroyed, only transformed is called?

The idea that Mass cannot be created or destroyed, only transformed is called what?

An object at rest will remain at rest, and an object in motion will remain in motion with a constant speed and direction unless acted upon by an unbalanced force is called?

What is Luminosity?

What is anything that has mass and takes up space?

What is the appearance of the moon as seen from Earth, determined by the moon's position relative to the sun?

What is the change in position of an object over time?

What is a cloud of gas and dust in space?

What is the overall force acting on an object?

What is a neutral subatomic particle found in the nucleus?

The dense, central core of an atom containing protons and neutrons is called?

What is a horizontal row in the periodic table that contains elements with the same number of energy levels?

What is a solid that forms from a solution?

What is a positively charged subatomic particle found in the nucleus?

What is a substance that undergoes a chemical reaction?

What is the motion of one object around another?

What is the spinning of an object on its axis?

What is the distance traveled per unit time?

What is a number written below a chemical symbol to indicate the number of atoms of that element in a molecule?

What is a force that results in a change in motion of an object?

What is an electron in the outermost energy level of an atom?

Speed in a specific direction is called?

What is the transfer of energy from one object to another due to a force acting over a distance?