Atoms and the Periodic Table

Identify the part of the periodic table label A.

The most reactive metals on the periodic table are located in...

The dots on an electron dot diagram show that Sulfur is (has) ___________________.

The halogens are located in which groups?

What is the average atomic mass of C-10, C-20, and C-30?

If carbon has 7 neutrons and 6 protons, what is its mass number?

How many valence electrons do the elements in group four have?

Atoms of the same element with different number of neutrons are called

Elements found in Groups 3 through 7 of the periodic table are called ______?

All metals are solids at room temperature except

Horizontal rows of the periodic table are called

The atomic number of an element is 5 and the mass number is 10, what is the number of neutrons?

Which of the following has a negative electric charge?

In Dalton's atomic model, the elements were identified accornding to their

The maximum number of electrons allowed in the second energy level of an atom is

The element found most abundantly in our body is

Which of the following is not found in the nucleus of an atom?

Elements are organized in the periodic table by increasing atomic ____?

The plum pudding model was created by

The number of which subatomic particle determines the identity of an element?