NEW
Font size
S
M
L
XL
WorksheetsAtoms and the Periodic Table Review
Total questions: 11
Worksheet time: 55mins
Name
Class
Date
1.
#2. A(n) ________________________ is an interaction that holds two atoms together.
a)
physical bond
b)
chemical bond
c)
neutron
d)
electron
2.
#3. A(n) ________________________ is the smallest particle of an element that has the chemical properties of that element.
a)
atom
b)
proton
c)
neutron
d)
electron
3.
#5. A(n) ________________________ is a negatively-charged subatomic particle.
a)
proton
b)
neutron
c)
electron
d)
electron cloud
4.
#6. Which of the following is a property of metals?
a)
A. low melting point
b)
B. good electrical conductor
c)
C. good thermal insulator
d)
D. cannot bend without breaking
5.
#7. The chart gives the atomic number and mass number of two elements. How many protons does Element B have?
a)
10
b)
20
c)
9
d)
19
6.
#8. The diagram below is one model of an atom. By whom was this model of an atom proposed?
a)
Thomas
b)
Dalton
c)
Rutherford
d)
Bohr
7.
#9. In a neutral atom, the number of electrons equals the number of what other part?
a)
protons
b)
neutrons
c)
nuclei
d)
energy levels
8.
#10. Here is a square that represents one element of the periodic table. What information is in this square of the periodic table, from top to bottom?
a)
average atomic mass, chemical symbol, chemical name, atomic number
b)
atomic number, chemical symbol, chemical name, average atomic mass
c)
average atomic mass, chemical symbol, chemical name, proton number
d)
average atomic mass, chemical symbol, chemical name, proton number
9.
#11. What must happen for an ion to form?
a)
An atom must gain or lose an electron.
b)
An atom must gain or lose a proton.
c)
An atom must gain or lose a neutron.
d)
An atom must gain or lose a nucleus.
10.
#12. The periodic table is arranged in columns and rows. What are the columns and the rows of the periodic table called?
a)
periods and energy levels
b)
groups and periods
c)
atomic numbers and periods
d)
groups and atomic numbers
11.
#13. The diagram shows how atomic theory has changed over time. How is the current understanding of atomic structure different from both Thomson’s model and Rutherford’s model?
a)
Electrons move only in the current model of the atom.
b)
Electrons are fixed only in the current model of the atom.
c)
Electrons travel in orbits only in the current model of the atom.
d)
Electrons move within an electron cloud only in the current model of the atom.
Reset
