What subatomic particle has no charge?
What is a neutron?
What type of bond forms when electrons are shared?
What is a covalent bond?
What gas is required for combustion reactions?
What is oxygen?
What phase change releases heat?
What is freezing?
What is a solution that conducts electricity called?
What is an electrolyte?
What subatomic particle is found outside the nucleus?
What is an electron?
What type of bond forms when electrons are transferred?
What is an ionic bond?
What indicates a chemical reaction may have occurred?
What are gas bubbles forming?
What happens to particles when temperature increases?
What is they move faster?
Which solution conducts electricity best: sugar water or salt water?
What is salt water?
What element has 11 protons?
What is sodium?
What is the correct name for MgCl₂?
What is magnesium chloride?
What type of reaction is Zn + HCl → ZnCl₂ + H₂?
What is a single replacement reaction?
What type of heat transfer occurs by movement of fluids?
What is convection?
Why do flame tests produce colors?
What is electrons releasing energy as light?
What do isotopes of the same element differ in?
What are neutrons?
Which compound is ionic: CO₂ or NaCl?
What is NaCl?
What law states matter is neither created nor destroyed?
What is the Law of Conservation of Mass?
What kind of reaction absorbs heat?
What is an endothermic reaction?
What happens to electrons during a flame test before light is released?
What is they become excited?
What determines an element’s identity?
What is the number of protons?
What is the formula for potassium oxide?
What is K₂O?
In chemistry, what is stoichiometry used to calculate?
What are quantities in chemical reactions?
Which intermolecular force gives water its high boiling point?
What is hydrogen bonding?
Different elements produce different flame colors because they release different what?
What are wavelengths of light?