WorksheetsMidterm Review
Total questions: 25
Worksheet time: 13mins
Which of the following is the correct atomic symbol for potassium?
K
P
Po
Pt
Which one of the following elements is symbolized by the symbol Au?
silver
mercury
gold
iron
How many protons are in an element of carbon?
6
7
12
14
How many electrons are present in the element osmium?
76
114
190
6
How many neutrons in plutonium-238?
150
94
125
144
The element Ar is in which of the following groups?
Halogens
Nobel gases
Alkaline earth metals
Lanthanides
The element Americium is in which of the following groups?
Halogens
Nobel gases
Alkaline earth metals
Lanthanides
The element Se is in which of the following groups?
1A
transition elements
6A
8A
The alkali metals are in which of the following groups?
1A
transition elements
6A
8A
The Nobel Gases are in which of the following groups?
1A
transition elements
6A
8A
Which one of the following scientists discovered that the atom is mostly empty space?
Moseley
Mendeleev
Rutherford
Dalton
Which one of the following scientists discovered the Nobel Gases?
Moseley
Mendeleev
Rutherford
Dalton
Which one of the following scientists is credited with organizing the modern day periodic table?
Moseley
Mendeleev
Rutherford
Dalton
Which one of the following is not part of Dalton's Atomic Theory?
all matter is composed of atoms
all atoms of an element are identical
atoms can be divided, created, and destroyed
each compound has a specific number and type of atoms
Which one of the following particles is not a type of radio activity?
alpha
labmda
beta
gamma
Which one of the following particles is the most destructive?
alpha
labmda
beta
gamma
Which one of the following types of nuclear reactions combines two lighter elements into a larger element?
nuclear fission
nuclear fussion
fission chain reaction
nuclear decay series
Which one of the following equals the number of protons?
atomic mass
atomic weight
atomic number
atomic symbol
Which one of the following is NOT included in atomic mass?
protons
neurons
electrons
the entire element
Which orbital level contains a maximum of 14 electrons?
s
p
d
f
Which orbital level contains a maximum of 2 electrons?
s
p
d
f
Which orbital level contains a maximum of 6 electrons?
s
p
d
f
Which element does the following electron configuration belong to? 1s22s22p63s1
sodium
hydrogen
nitrogen
oxygen
What is the significance of groups in the periodic table?
they have the same number of core electrons
they have the same number of valence electrons
they have the same number of energy levels
they have the same number of orbitals
What is the significance of periods in the periodic table?
they have the same number of core electrons
they have the same number of valence electrons
they have the same number of energy levels
they have the same number of orbitals
