What element is in the us penny?

A mixture In which the particles are to small to b seen with the naked eye is?

Which statement correctly describes the charge of the nucleus and the charge of the electron cloud of an atom? (1) The nucleus is positive and the electron cloud is positive. (2) The nucleus is positive and the electron cloud is negative.

Which of these is NOT a symbol for a unit of mass?

A sample of hydrogen gas occupies 1.875L at STP, how many moles of gas are present

How many moles are in 3.60 x 10^25 molecules of water?

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