Atoms and the periodic table

Which of the following is not a sub-atomic particle

How many naturally occuring elements are there?

Every eigth element on the periodic table shares similar chracteristics.

Chemical symbols are the same across languages.

Crteria needs to be met for a design to be sucessful. Rohrer and Binnig needed to be able to measure an individual atom.

Which of the following is not made up of particles of matter?

The atomic mass is the mass of

Which subatomic partices are found inside the nucleus and account for the mass of an atom.

Sodium is in column 1 of the periodic table. Which elemants would have similar properties to it ?

Every object in the world is made of atoms.

The amount of money budgeted for an engineering project would be considered a contraint.

Elements in the periodic table that shre similar properties are in the same -------.

Which scientist said "all of matter is made up of uncuttable particles" that he called atomos?

Mendeleev believed that the atomic mass of an unknown element was the average of the elements above it and below it.

Atoms are incredibly small, They are measured in what unit?

There are 118 naturally ocurring elements.