PS Ch 4 Atoms Periodic Table Review

When a Sodium atom loses its 1 valence electron, it becomes

What is the mass of an element with 18 protons, 18 electrons, and 22 neutrons?

If you were to pick an element at random from the periodic table, it would most likely be

Noble Gases are the most reactive elements on the periodic table.

Which group of elements will most likely form a 2+ ion?

The electrons farthest from the nucleus

John Dalton came up with the Plum Pudding model of an atom.

Elements that are often brittle or crystalline solids and cannot be hammered into different shapes are

Most of the atoms react with other atoms in order to get an outer shell filled with

Cobalt, Nickel and Iron are found in which part of the periodic table?

If a neutral atom has 18 protons, how many electrons will it have?

Nitrogen's atomic number is 7 which means it has

The periodic table is organized by

Which of these was NOT part of Dalton's atomic theory in 1809?

Light is the result of electrons falling back to a lower energy level.

Which of the following is a Noble Gas?

The Halogens become anions when they lose an electron.

Two or more different elements chemically bonded form a molecule.

The nucleus was discovered by Rutherford using his