Atoms Crossword Puzzle

QUESTIONS LIST:

• subtraction: the process of removing one number from another
• nucleus: the central part of an atom, usually made of protons and neutrons
• atomic mass: the mass of specific isotope of a particular chemical element, expressed in atomic mass units
• scale: the relation between the real size of something and its size on a map, model, or diagram
• neutron: a neutrally charged particle found in the nucleus
• probability: the level of possibility of something happening or being true
• average: the result of adding two or more amounts together and dividing by the total number of amounts
• electron: an extremely small piece of matter with a negative electric charge
• percentage: an amount of something, often expressed as an amount out of 100
• scientific notation: a way of writing a very small or large number by multiplying power of 10 and a number between 1 and 10
• atoms: the smallest unit of any chemical element
• proton: a positively charge type of particle found in the nucleus
• radioactive decay: the process of producing powerful energy from the breakdown of elements