Which subatomic particle in an atom is positive?
Which subatomic particle in an atom is negative?
Which subatomic particle in an atom is neutral?
What is the order for filling electron shells?
If the two numbers on the periodic table for sodium are 23 and 11, how many neutrons are there?
If the temperature on a thermometer goes up in a reaction, is the reaction..?
What is the gas test for hydrogen?
What is the gas test for oxygen?
What is the gas test for carbon dioxide?
If 30g of hydrogen reacts with 20g of oxygen, what mass of water will be produced?