Atomic Structure
Bonding & Compounds
Reactions
States of Matter & Energy
Flame Tests & Solutions
100

What subatomic particle has no charge?

What is a neutron?

100

What type of bond forms when electrons are shared?

 What is a covalent bond?

100

What gas is required for combustion reactions?

What is oxygen?

100

What phase change releases heat?

What is freezing?

100

What is a solution that conducts electricity called?

What is an electrolyte?

200

 What subatomic particle is found outside the nucleus?

What is an electron?

200

What type of bond forms when electrons are transferred?

What is an ionic bond?

200

 What indicates a chemical reaction may have occurred?

What are gas bubbles forming?

200

 What happens to particles when temperature increases?

What is they move faster?

200

Which solution conducts electricity best: sugar water or salt water?

What is salt water?

300

What element has 11 protons?

What is sodium?

300

What is the correct name for MgCl₂?

What is magnesium chloride?

300

 What type of reaction is Zn + HCl → ZnCl₂ + H₂?

What is a single replacement reaction?

300

 What type of heat transfer occurs by movement of fluids?

What is convection?

300

 Why do flame tests produce colors?

What is electrons releasing energy as light?

400

What do isotopes of the same element differ in?

 What are neutrons?

400

 Which compound is ionic: CO₂ or NaCl?

What is NaCl?

400

What law states matter is neither created nor destroyed?

What is the Law of Conservation of Mass?

400

What kind of reaction absorbs heat?

What is an endothermic reaction?

400

What happens to electrons during a flame test before light is released?

What is they become excited?

500

What determines an element’s identity?

What is the number of protons?

500

What is the formula for potassium oxide?

What is K₂O?

500

In chemistry, what is stoichiometry used to calculate?

What are quantities in chemical reactions?

500

 Which intermolecular force gives water its high boiling point?

 What is hydrogen bonding?


500

 Different elements produce different flame colors because they release different what?

 What are wavelengths of light?