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WorksheetsAtoms and the periodic table
Total questions: 42
Worksheet time: 33mins
____________ had a 4 part atomic theory that said atoms were the building blocks of matter, indivisible and indestructible.
Bohr
Chadwick
Dalton
Rutherford
Thompson
____________ discovered electrons.
Bohr
Chadwick
Dalton
Rutherford
Thompson
____________ discovered the nucleus and said that atoms were mostly empty space.
Bohr
Chadwick
Dalton
Rutherford
Thompson
____________ said that electrons orbited the nucleus like planets orbit the sun.
Bohr
Chadwick
Dalton
Rutherford
Thompson
____________ discovered neutrons.
Bohr
Chadwick
Dalton
Rutherford
Thompson
A capital letter or a combination of a capital letter and a small letter that is used to represent an element is called a(n)
chemical symbol
electrons
periods
isotopes
The horizontal rows of elements are called
metals
groups
periods
atomic number
Vertical columns of elements are called
metals
groups
periods
atomic number
Elements in the middle of the periodic table, groups 3 through 12, are called the
alkali earth metals
transition metals
halogens
alkali metals
Atoms of the same element but with different numbers of neutrons are
metalloids
isotopes
mass number
atomic number
The center of an atom where protons and neutrons are located is the
electron cloud
nucleus
groups
periods
A total count of the neutrons and protons in an atom is the
metalloids
isotopes
mass number
atomic number
Elements that are found on the left side of the periodic table are usually
electrons
metalloids
metals
nonmetals
Elements that have some properties of both metals and nonmetals are
electrons
metalloids
metals
nonmetals
The particles that move about the nucleus and have a negative charge are
protons
neutrons
electrons
quarks
The region around the nucleus occupied by electrons is a(n)
nucleus
neutrons
electrons
electron cloud
What is the symbol for Sodium (Atomic number 11)?
So
S
Na
N
What is the atomic number of Carbon (C in group 14)?
6
12
14
20
What is the name of the element with the symbol Fe, atomic number 26?
Ferrous
Iron
Fermium
Helium
How many protons does sulfur (S) have?
8
10
12
16
How many neutrons does Nitrogen-14 have? Nitrogen has an atomic number of 7.
14
8
7
6
What is the mass number of Oxygen with 8 neutrons?
8
10
16
18
What is the symbol for Helium (Atomic number 2)?
H
He
Ne
Be
How many neutrons does chlorine with a mass number of 35 (chlorine-35) have?
17
18
19
20
What is the mass number of copper with 35 neutrons?
35
40
64
88
How many protons does chlorine with a mass number of 37 (chlorine-37) have?
17
18
19
20
What charge will Sodium have if it has 11 electrons?
-2
-1
0
+1
+2
What charge will Sodium have if it has 13 electrons?
-2
-1
0
+1
+2
What charge will Sodium have if it has 10 electrons?
-2
-1
0
+1
+2
What element is in group 4, period 5?
Db (Dubnium)
Zr (Zirconium)
La (Lanthanum)
Hf (Hafnium)
Zirconium (Zr), with atomic number 40, is a:
metal
nonmetal
metalloid
At room temperature and pressure, zirconium (Zr), with atomic number 40, is a:
solid
liquid
gas
What element is in group 13, period 2?
Ra (Radium)
Al (Aluminum)
B (Boron)
Ga (Gallium)
Boron (B), with atomic number 5, is a:
metal
nonmetal
metalloid
At room temperature and pressure, boron (B), with atomic number 5, is a:
solid
liquid
gas
What element is in group 17, period 4?
Ra (Radium)
Al (Aluminum)
B (Boron)
Br (Bromine)
Bromine (Br), with atomic number 35, is a:
metal
nonmetal
metalloid
At room temperature and pressure, bromine (Br), with atomic number 35, is a:
solid
liquid
gas
Most elements are _____________ and _______________ at room temperature and pressure.
metals and solid
metals and liquid
nonmetals and solid
nonmetals and liquid
Solid metals are ________________ and _____________.
malleable and ductile
dull and brittle
Solid nonmetals are ________________ and _____________.
malleable and ductile
dull and brittle
___________ are poor conductors of heat and electricity.
Metals
Nonmetals
