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WorksheetsAtoms and the Periodic Table 2021
Total questions: 22
Worksheet time: 11mins
The smallest particle of an element that retains all the properties of that element. Contains protons neutrons and electrons.
Atom
Electron
Proton
Neutron
A subatomic particle with a charge of negative electricity, found in all atoms.
Atom
Electron
Proton
Neutron
Which statement correctly describes the location and charge of neutrons in an atom?
The neutrons are inside the nucleus and have a negative charge.
The neutrons are outside the nucleus and have a neutral charge.
The neutrons are inside the nucleus and have a neutral charge.
The neutrons are outside the nucleus and have a negative charge.
What is the difference in the number of electrons in an atom of silicon (Si) and an atom of iodine (I)?
67
39
98
98.815
How many protons, neutrons, and electrons are present in an atom of Barium (Ba) with a mass number of 138?
56 protons, 82 neutrons, and 56 electrons
56 protons, 138 neutrons, 82 electrons
56 protons, 81 neutrons, and 56 electrons
56 protons, 56 neutrons, and 56 electrons
An atom of a certain element has 14 protons, 14 electrons, and a mass number of 27. At room temperature it serves as an excellent semiconductor. How many neutrons are in this atom?
28
14
27
13
What is the mass number of a carbon (C) atom that has 8 neutrons?
12
12.011
14
14.011
This part of the atom is "Positively Charged"
Proton
Neutron
Electron
Won Ton
This part of the atom is
"Negatively charged" and orbits outside of the nucleus of the atom
Neutron
Electron
Proton
"No"ton
"Au" Gold, "Cu" Copper, 1 or 2 letters in each element box stands for what on the Periodic Table?
Atomic Number
Group Number
Atomic Mass
Element/ Chemical Symbol
Scientists organize all 118 elements found on Earth on this...
Charts
Graphs
Periodic Table
Map
A "Pure" Substance of only 1 type of atom is called what?
Compound
Element
Which of the following shows the correct symbol for helium?
He
he
HE
Hel
All elements can be classified as _______________, _________, or ________________.
protons, neutrons, electrons
metals, non-metals, metalloids
natural, synthetic, man-made
periods, rows, columns
The Russian scientist that constructed the first Periodic Table was ____________.
Vladimir Lenin
Mikhail Baryshnikov
Anton Chekhov
Dmitri Mendeleev
The atomic number for this element is _________.
26
55.845
Fe
iron
The chemical symbol for this element is _________.
Fe
Iron
26
55.845
