Which of the following objects would have the largest overall mass? 120,560 g of peanut butter

120 kg of jelly

12,065,000 mg of bread

Note: 10mg = 1g, 1000g = 1kg

(Hint: Convert all of the choices to the same measurement/units)

The first element on the periodic table of elements is carbon. a. true b. false

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.