Basic Structure
What are the two types of particles found in an atom's nucleus?
What are protons and neutrons?
What is a pure substance that cannot be broken down into simpler substances?
What is an element?
What states can an atom exist in depending on temperature and pressure?
What are solid, liquid, and gas?
What is conductivity?
What is the ability of a material to conduct electricity or heat?
Why are hazard symbols important when handling chemicals?
What are they inform users about potential dangers?
What charge do protons carry?
What is a positive charge?
How many protons does a carbon atom have?
What is six?
What happens to the particles in a solid when it melts?
What do they gain energy and start to move more freely?
Which type of materials typically have high conductivity?
What are metals?
What does a flammability symbol indicate?
What is a risk of catching fire?
What is the mass of an atom primarily found?
What is the nucleus?
What is the term for the mass per unit volume of a substance?
What is density?
In which state do particles have the most energy?
What is gas?
Why do metals conduct electricity well?
What is due to the free movement of electrons?
What type of hazard does a toxicity symbol represent?
What is a risk of poisoning or harmful effects?
What particle orbits the nucleus of an atom?
What are electrons?
What is the temperature at which a solid turns into a liquid called?
What is the melting point?
At what point does a liquid begin to boil?
What is at its boiling point?
What type of materials generally have lower conductivity?
What are nonmetals?
Why is safety emphasized in scientific endeavors?
What is to prevent accidents and ensure proper handling of materials?
How is the identity of an element determined?
What is by the number of protons in its nucleus?
What is the boiling point?
What is the temperature at which a liquid becomes a gas?
How can the state of a substance be changed?
What are by altering temperature or pressure?
Why is understanding conductivity important in science and engineering?
What is for various applications in technology and safety?
What should you do if you see a hazard symbol?
What is to follow safety precautions indicated?