Answer:
Explanation:
Ok so an atom is each ball. So in the first one there are 5 balls. In the second one there are 4 and so on. A molecule contains more than two balls. So they are all molecules. For the counting reactants and products, count how many balls are to the left of the arrow which is your number of reactants and count the balls to the right to find the number of product atoms.
After 100years, sample is 250g
After 200 years, sample is 125g
After 300years, sample is 62.5 g
The movement of charged particles cannot pass through an electrolyte to produce an electric current.
True
False
FALSE
If i’m correct it’s b, bouyance force.
Answer:
272 m/s
Explanation:
The boy jogs= 250 m
time he takes 110 seconds
average speed = 250/110
272 m/s
