WorksheetsMatter Pre-Assessment
Total questions: 17
Worksheet time: 9mins
Na and HCO3
NaH and CO3
Na, H, CO3
Na, H, C, O
Which is the best description of a solution?
element
compound
heterogenous mixture
homogenous mixture
Which best describes a compound?
the simplest form of matter
an element that has changed state
a physical mixture of chemicals and elements
a chemical combination of two or more elements
Which has only one type of atom throughout?
element
compound
mixture
molecule
Which best describes sodium chloride (NaCl)?
a mixture which is physically produced
a mixture which is chemically produced
a compound which is physically produced
a compound which is chemically produced
Water (H O) and hydrogen peroxide (H O ) are both clear liquids. Which description most accurately describes the relationship between water and hydrogen peroxide?
They are two different elements.
They are two different compounds that include different elements.
They are two different compounds that include the same elements in different arrangements.
They are two different mixtures that include the same elements in different arrangements.
Which two elements are most likely ductile?
C and P
Zn and N
Si and Ne
Ag and Au
If potassium (K) has a density of 0.86 g/cm , which element would have a similar density?
carbon (C)
neon (Ne)
sodium (Na)
iron (Fe)
Which best describes the use of physical properties to produce the current model of the periodic table?
Elements are arranged into groups based on similar properties.
The arrangement of the elements is unrelated to physical properties.
Physical properties are only used to differentiate between metals and nonmetals.
Elements are arranged from left to right according to the increase in metallic properties.
Why are fluorine (F), chlorine (Cl), and iodine (I) in the same group of the periodic table?
They have similar atomic masses.
They have similar physical properties.
They have similar boiling and melting points.
They have similar reactions with other elements
What category of elements is found between the metals and nonmetals on the periodic table?
synthetic
metalloids
radioactive
noble gases
Which of these elements has the greatest atomic number?
tin (Sn)
lead (Pb)
boron (B)
sulfur (S)
Which information best determines the location of an element on the periodic table?
size
color
properties
date of discovery
A student finds that an unknown element reacts with elements from Group 2 (IIA). To which group does the unknown element most likely belong?
Group 1
Group 3
Group 16
Group 18
Element W
Element X
Element Y
Element Z
