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WorksheetsAtoms and the Periodic Table
Total questions: 44
Worksheet time: 2hrs 7mins
Most of the mass of an atom is found in its
nucleus
electron cloud
atomic number
plum pudding model
A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is
26
30
52
56
Each row in the periodic table ends with a
metal
nonmetal
metalloid
noble gas
Dot diagrams are used to represent
atomic numbers
atomic mass
isotopes
outer level electrons
Particles of matter that make up protons and neutrons are
electrons
isotopes
quarks
atoms
A chemical symbol represents the ____________ of an element.
name
reaction
group
structure
Horizontal rows of the periodic table are called
clusters
groups
families
periods
Atoms of the same element with different numbers of neutrons are called
metals
isotopes
metalloids
radioactive elements
A particle that moves around the nucleus is a(n)
electron
proton
neutron
quark
Protons are parts of an atom that are inside the nucleus and hold what type of charge?
no charge
negative
positive
both positive and negative
Electrons are located around the outside of the nucleus of an atom and carry which type(s) of charge(s)?
positive
negative
no charge
both positive and negative
Which scientist discovered evidence of the nucleus of an atom with his famous gold foil experiment, developed his own model of an atom?
Democritus
Hantaro Nagaoka
John Dalton
Ernest Rutherford
Neutrons are located in the nucleus of an atom and carry what/which kind(s) of charge(s)?
positive
negative
no charge
both positive and negative
Which element has the symbol -F?
Francium
Iron
Phosphorus
Fluorine
Which element has the symbol - O?
Osmium
Onyx
Oxygen
Opal
Which element has the symbol - S?
Silicon
Tin
Sodium
Sulfur
Which element has the chemical symbol - P?
Potassium
Palladium
Phosphorus
Platinum
Which element has the symbol- Mg?
Manganese
Magnesium
Mercury
Molybdenum
Which element has the symbol- Mn?
Magnesium
Mercury
Molybdenum
Manganese
What is the chemical symbol for Sodium?
P
K
Na
S
What is the chemical symbol for Potassium?
P
Po
K
C
What is the chemical symbol for Carbon?
Co
Ca
C
Cs
What is the chemical symbol for Nitrogen?
Ni
Ne
Np
N
What is the chemical symbol for Lithium?
Li
L
La
Lr
What is the chemical symbol for Boron?
B
Bi
Be
Bo
What is the chemical symbol for Iron?
I
Ir
F
Fe
What is the name for the electrons that are the furthest away in the outermost energy level of an atom?
valiant electrons
variant electrons
inner electrons
valence electrons
What is the chemical symbol for Hydrogen?
H
He
Hi
Ho
What is the chemical symbol for the element Neon?
N
Ne
No
Ni
What is the chemical symbol for Argon?
Ag
A
Ar
Al
Columns on the periodic table are called
families or groups
periods
rows
romans
What is the atomic symbol for Calcium?
C
Co
Cm
Ca
What element is represented by the symbol- Si?
Sulfur
Scandium
Strontium
Silicon
What does the atomic number of an element represent?
number of neutrons
number of electrons
number of protons
number of quarks
What element is represented by the chemical symbol - Be?
Boron
Bromine
Barium
Beryllium
What element does the symbol -Cu represent?
Carbon
Calcium
Copper
Zinc
What element is represented by the symbol -V?
Vaderium
Vanadium
Venezuelaium
Sodium
What element is represented by the symbol-Sn?
Tin
Aluminum
Indium
Cobalt
What is the chemical symbol for Titanium?
T
Ta
Ti
Te
What is the element represented by the symbol- As?
Astatine
Arsenic
Antimony
Actinium
What element is represented by the chemical symbol- Cr?
Zinc
Carbon
Chlorine
Chromium
What element is represented by the symbol- Zn?
Zirconium
Zinc
Iron
Sodium
What is the symbol for the element Krypton?
K
Kn
Ki
Kr
What is the chemical symbol for Yttrium?
Y
Yr
Yt
Ru
