What is the measure of EP?

20

20

80

The element carbon has 3 naturally occurring isotopes. About 99% of Carbon isotopes are C-12, about 1% are C-13, and a tiny amount are C-14. What is the average atomic mass of carbon atoms?

Why do they call water h20

What is the mass and charge of an electron

What is the concentration in ppm of a 3.7 L solution (d = 1.00 g/mL) containing 4.21 * 10-7 kg of the pesticide DDT?

Will chlorine gas effuse more quickly than ammonia gas

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda