what is name of first man made element?

Waves carry energy. Which best describes the relationship between the direction of energy and wave motion in a transverse wave? A) The energy direction is perpendicular to the motion of the wave.

Graphite being used as a lubricant

You can find the pH of a substance by using a. plain paper. b. a thermometer. c. litmus indicator. d. a conductivity tester.

When sugar is added to a sugar solution, the sugar does not dissolve, which term describes the original sugar solution? A. unsaturated B. supersaturated C. Saturated D. semisaturated

Hydrazine, ammonia, and hydrogen azide all contain only nitrogen and hydrogen. The mass of the hydrogen that combines with 1.00g of each compound is 1.4 x 10^-1g, 2.4x10^-1 g and 2.40x10^-2 respectively.

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