As you move from top to bottom down a group on the periodic table size of an atom will

Famous New Zealand scientist Ernest Rutherford was awarded a Nobel Prize in which field?

Which family in the periodic table has metals that are usually harder than other metals? Alkali metals Alkaline earth metals Lanthanide series Transition metals

Name two salts used in black and white photography

An elements atomic number is 117 how many electrons would an atom of this element have?

How can you be sure a solid is pure?

Explain what a alloy is and how the atomic structure of the alloy can make it stronger

Liz is examing a plant cell under a Microscope she seems many small green oranganelles inside the cell

Four different methods are described for validating the results of a particular analysis. Indicate for each whether the method primarily checks the accuracy of the analysis or the precision of the analysis. a.

How does the molar entropy of a substance change with increasing temperature

Compare the discoveries of Henri Becquerel with the discoveries of Marie Curie