QR Periodic Table
1) What is gold's mass number?
2) How many neutrons are there in isotope Rn 220?
3) There are currently how many periods on the periodic table?
4) What element is named after Copenhagen, Denmark?
5) What is the most electronegative and reactive element?
6) Who Founded Technetium and in what year?
7) Which gas has an atomic number of 86 and is the heaviest of all naturally-occurring Noble
Gasses?
8) An initial step in the development of the periodic table was the identification of elements. The
first scientific discovery of an element was the discovery of phosphorous by an alchemist in
1649. What was the name of this alchemist?
9) In the middle of the 20th century, the work of one man made major changes to the periodic
table. He shared the discovery of plutonium and in addition discovered eight other elements.
One element, #106 was named after him and he shared the Nobel prize for Chemistry in 1951.
What was his name?
10) What is the lightest element that also has an atomic symbol that is a US state postal code, ex
TX, AL, AR?
11) The Heaviest element with a one letter atomic symbol is (hint, not mine).
12) Which of the following noble gases has the lowest normal boiling point? (1) Ne; (2) Ar; (3) Kr;
(4) Xe.
13) The elements known as the alkali metals are found in Group - (1) 1; (2) 2; (3) 13; (4) 17
14) Which element in Period 3 has both metallic and nonmetallic properties? (1) Na; (2) Mg; (3)
Si; (4) Ar
15) Elements in Period 3 are alike in that they all have the same number of (1) protons;(2)
neutrons; (3) electrons in the valence shell; (4) occupied principal energy levels.
16) Which is an example of a metalloid? (1) sodium; (2) strontium; (3) silicon; (4) sulfur
17) The atomic number of a metalloid in Period 4 is (1) 19; (2) 26; (3) 33; (4) 36
18) Which is an alkaline earth metal? (1) Na; (2) Ca; (3) Ga; (4) Ta
19) Beryllium is classified as (1) an alkaline earth metal; (2) an alkali metal; (3) a transition
element; (4) a noble gas
QR Periodic Table
20) Which element has atoms with only one completely filled principal energy level?(1) N; (2) P;
(3) As; (4) Sb
21) What is the element found in group 13 and Period 2?
22) How many particles are in the nucleus of an atom of Livermorium?
23) How many electrons surround the nucleus of an atom of Helium?
24) How many neutrons does an atom of Iron have in its nucleus?
25) How many neutrons does an atom of Europium have in its nucleus?