What everyday object contains carbon, hydrogen, oxygen, phosphorus, sulfur, and nitrogen?

Why does a metal spoon left on a bowl of hot soup get warm?

A neutral atom would become an ion that has a charge of 2 plus By?

You have 3 L of a 5M solution of calcium chloride. How many L would you be able to make of a 0.5M solution?

What type of substance slows down a chemical reaction? A. inhibitor B. enzymes C. catalyst D. endotherm

How many neutrons does an element have if its atomic number is 48 and its mass number is 153?

What happens to the conductivity of water when a base is dissolved in it

Henry Moseley organized the periodic table by A. atomic weight. B. atomic number. C. electronegativity. D. overall charge of atoms.

What happens when elements chemically combine? A.) All elements retain their original properties B.) New properties are former C.) Only metals retain their original properties D.) New elements are formed

Which element consists of positive ions immersed in a "sea" of mobile electronsa) sulfur b. nitrogen c. calcium d. chlorine?

1.87e3 m + 24 m + 5.43e-1 km + 1.561e2 km = km