The table below gives the atomic mass and relative abundance values for the three isotopes of element M. Relative abundance (%) Atomic mass (amu)
78.99 23.9850
10.00 24.9858
11.01 25.9826

What is the average atomic mass (in amu) of element M?
2.86
5.36
24.30
24.98

Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li