A
What do we call the substances that we start with in a chemical reaction?
Reactants
What do we call the new substances formed in a chemical reaction?
Products
What is the chemical symbol for oxygen?
O
What is the chemical symbol for hydrogen?
H
What is the chemical name for the symbol C?
Carbon
What is the chemical symbol for iron?
Fe
What is the chemical symbol for sodium?
Na
What is the chemical symbol for gold?
Au
In a word equation, what does the arrow (→) mean?
Produces or forms
In the word equation Hydrogen + Oxygen → Water, what is the product?
Water
What are the reactants in the word equation Carbon + Oxygen → Carbon dioxide?
Carbon and oxygen
What is the chemical symbol for calcium?
Ca
What element has the chemical symbol Mg?
Magnesium
A reaction has the word equation: Aluminium + Oxygen → Aluminium oxide. How many reactants and products are involved?
Two reactants and one product
In the reaction Methane + Oxygen → Carbon dioxide + Water, how many products are formed?
Two
What is the chemical symbol for potassium?
K
Complete the word equation: Iron + Sulfur → ______
Iron sulfide
When magnesium reacts with hydrochloric acid, magnesium chloride and hydrogen are formed. Identify the reactants and products.
Reactants: Magnesium and hydrochloric acid.
Products: Magnesium chloride and hydrogen.
Write a word equation for the reaction between hydrogen and oxygen to form water.
Hydrogen + Oxygen → Water
Which element has the symbol Cu?
Copper
Complete the word equation: Copper carbonate → Copper oxide + ______
Carbon dioxide
Complete the word equation: Iron + Sulfur → ______
Iron sulfide
What are the two products formed when calcium carbonate breaks down? Calcium carbonate → ______ + ______
Calcium oxide and carbon dioxide
Complete the word equation: Magnesium + Oxygen → ______
Magnesium oxide
Bonus +500
What are you learning in Science now?
Chemical Reaction/ Reactants /products/ Word equation/ Chemical equation