WorksheetsThe Atom Review Quiz
Total questions: 15
Worksheet time: 8mins
One possible isotope of Chlorine could be an atom with
16+ and 18n
16+ and 0n
17+ and 18n
18+ and 17n
A subatomic particle whose mass is considered negligible is the
atom
electron
proton
neutron
Which of the following was NOT a conclusion of the gold foil experiment?
most of an atoms space is empty
atoms contain neutrons which are located in the nucleus
all atoms contain a small , massive and dense region called a nucleus
the nucleus is positively charged
The current periodic table is organized according to
atomic mass
oxidation state
atomic radius
atomic number
Which 2 elements of the periodic table have more similarities based on them being located in the same group?
H and Na
Na and Ca
Na and Mg
Na and K
The number of neutrons in a Ca-39 atom is
20
19
39
+2
Which of the following is an example of a metal?
C
Al
O
Ne
Which of the following postulates in Daltons Atomic Theory was NOT entirely true?
Atoms of different elements are different
All matter consists of tiny indivisible particles called atoms
Compounds are formed by combining different types of elements
All atoms of the same element are identical
The atomic model which described electrons as being located in "orbits" that revolved around the + nucleus in a circular fashion is the ___________model.
Wave mechanical
Plum Pudding
Planetary
Nuclear-Rutherford
Which 2 elements have the most similar chemical and physical properties?
He, Cl
O, Cl
Al, B
Mg, Ca
The charge of an atom with 16+/18e- would be
0
-2
+2
none of these
A sodium atom will always become a sodium ion by
losing 1 e-
gaining 1 e-
losing 2 e-
gaining 2 e-
The total number of electrons present in a neutral atom of sodium is
10
11
1
8
Which of the following elements will always lose 2e- in order to obey the octet rule?
H, He
Mg, Ba
O, S
Mg, Al
The element carbon has 3 different isotopes: C-12, C-13 and C-14. If the % abundances associated with each isotope are 98%, 1% and 1% respectively, the average atomic mass is closest to
12.85amu
13.02amu
11.53 amu
12.12amu
