WorksheetsCHEmical cheeses
Total questions: 20
Worksheet time: 15mins
Name the element: C
cobalt
cesium
chlorine
carbon
Name the element: Cl
chromium
chlorine
calcium
bleach
Name the element: Na
sodium
nitrogen
neutrons
neon
Choose the symbol for this element: potassium
P
Po
K
Kr
Choose the symbol for this element: hydrogen
He
H
Hy
Hi
Choose the symbol for this element: magnesium
Mg
M
Mn
Ma
Why do the chemical symbols for a few of the elements on the periodic table have different letters than the actual spelling of the element name, i.e., Tin = Sn.
Because the elements have a different name under the metric system.
Because some of the chemical symbols are in scientific notation.
Because new discoveries in chemistry have caused scientists to run out of alphabet letters.
Because a few of the elements were given symbols based on their Latin names.
How many atoms of oxygen are in one molecule of this compound? Click on the reference image (right).
1
2
3
4
How many different elements are bonded together in the compound sodium hydroxide? Click on the reference image (right).
1
2
3
4
Select all the compounds from the list below. (there will be more than one correct answer)
helium (He)
sodium chloride (NaCl)
water (H2O)
strontium (Sr)
xenon (Xe)
