WorksheetsAll Elemental with Periodic Discoveries
Total questions: 26
Worksheet time: 31mins
Metals are poor conductors of heat and electricity.
True
False
(a) is credited for creating the periodic table.
(Dalton / Leibniz / Mendeleev / Ochoa)
An element’s _________ shows the number of protons (+) in its nucleus.
atomic number
atomic mass
atomic period
We can predict the properties of an element based on its ______________
number of protons
number of valance electrons
location in the periodic table
productivity in the periodic table
All elements that are in the same columns on the periodic table ____________________________
are in the same family
are in the same period
are in different families
have similar atomic mass
All the elements that are in the same row on the periodic table ___________
Have the same average atomic numbers
Have the same number of electron shells
Have a similar amount of atomic mass
Have similar chemical symbols
A metal that can be pressed into a thinner shape is (a) .
(conductor / ductile / malleable / brittle)
A (a) is a positively charged particle in the nucleus of an atom.
(proton / neutron / electron)
Which part of the atom moves around the nucleus?
Proton
Neutron
Electron
Choose all of the statements about metals that are true.
They are good conductors.
They are ductile.
They are brittle.
They are malleable.
Correctly label the parts of this element square.
A: _____________
B: _____________
C: _____________
D: _____________
(a) are elements that have the properties of both metals and non-metals.
Choose all the statements that are true about valance electrons.
They are located on the outermost shell of electrons.
They can be transferred or be shared between atoms.
They increase when going to the right of the periodic table.
They increase when going to the left of the periodic table.
All of the stars in the universe are made up of about 70% (a)
(carbon / hydrogen / nitrogen / oxygen)
The mass of a proton is around one atomic mass unit.
True
False
An _____________ is when an element has a different number of ___________ than normal.
alloy, protons
actinide, protons
reactor, neutrons
isotope, neutrons
In a period, reactivity in a metal usually (a) as we go from left to right.
(increases / decreases)
The atomic mass will generally (a) as we go from left to right on the periodic table.
(increase / decrease)
Which family in the periodic table have the most reactive group of metals?
(Alkali / Alkali Earth / Transition / Metalloids)
(a)
Which of the following nonmetals are more reactive and have 7 valence electrons?
Alkaline earth
Halogens
Alloys
Noble gases
_______________ are a mixture of metals, or a metal combined with one or more other elements.
Alloys
Actinides
Diatomic molecules
Transition metals
_______________ is composed of two nonmetal atoms of the same or different chemical elements.
Protons
Plasma
Diatomic molecules
Valence electrons
Europium is a part of the (a) family, which is part of group 6, but located at the bottom two rows of the periodic table.
What is often called the "fourth state of matter" and what happens to the electrons during this state?
Elements in the (a) family are part of group 7, but located at the bottom of the periodic table, and are radioactive.
Provide at least three characteristics and/or properties of transition metals.
