NEW
Font size
WorksheetsE/C/M/PT Review
Total questions: 23
Worksheet time: 19mins
Which best describes the organization of the periodic table of elements?
Elements within the same period have the same number of protons
Gases easily form compounds with other elements
Elements with groups have similar properties
All gasses are grouped together
Which of the following is a heterogeneous mixture?
Blood
Saltwater
Trailmix
Apple juice
Which of the following is a mixture?
Cl
NaCl
NaCl+H2O
H2O
Which of the following provides an example of a pure substance?
Hydrogen (H)
Saltwater (NaCl+H2O)
Kool-Aid
Blood
Which state of matter has a definite shape and a definite volume?
Solid
Liquid
Gas
Plasma
The left side of the periodic table (majority of the periodic table) is which group/family?
Nonmetals
Metalloids
Noble Gases
Metals
Who created the Periodic Table of Elements?
Pete Monka
Danielle Butler
Charles Darwin
Dmitri Mendeleev
What family is found in group 18 on the Periodic Table of Elements?
Metals
Noble Gases
Metalloids
Nonmetals
Which substance is composed of two or more elements that are chemically combined?
Element
Mixture
Compound
Solution
Which of the following is NOT a property of metal?
Ductile
Stiff
Conductive
Malleable
How does the stair-step line on the periodic table help indicate properties of elements
Elements located on the left of the stair-step line are non-metals.
Elements located on the right of the stair-step line are metals
Elements located on the left of the stair-step line are good conductors of electricity.
Which example is a compound?
N2
O2
Cu
H2O2
What do the orange and yellow spheres represent in this model of an atomic nucleus?
Gluons and leptons.
Protons and neutrons.
Positrons and electrons.
Atoms and molecules.
In an element box, the number at top is the
atomic number
atomic name
atomic mass
atomic symbol
___________________ are positively charged particles located in the nucleus of an atom.
Electrons
Neutrons
Protons
Isotopes
The number of neutrons in an atom can be found by
adding the number of neutrons and protons together.
adding the atomic mass and the atomic number.
subtratcting the atomic number from the atomic mass.
subtracting the atomic mass from the atomic number.
