How many protons and neutrons does aluminum

Which of the following statements is true? A. Isotopes have the same physical properties as the normal atom but different chemical properties. B. Isotopes have the same chemical properties as the normal atom but different physical properties. C.

Balance the chemical equation, with the states of matter, describing the complete combustion of propane gas (c3h8).

Does air matter even though you can't see it?

Which of the following are electromagnetic waves? A) Sound waves B) Water waves C) Ground waves D) Light waves

How do consumers obtain the carbon that they need for their life processes? A.) They breathe it in from the surrounding air. B.) They break down the plants and animals they eat. C.) They absorb it from the surrounding soil. D.

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