Grade 10 – chemistry pre-quiz

Grade 10 – chemistry pre-quiz

1) Identify the physical change in the following list:

a) water boilingb) making toastc) rustingd) rotting food


2) Identify the chemical change in the following list:

a) clouds formingb) ice cream meltingc) food rottingd) breaking glass

Grade 10 – chemistry practice quiz

3) Substances composed of identical atoms are:

a) compoundsb) elementsc) moleculesd) solutions


4) “Solution” is synonymous with:a) moleculeb) compoundc) mixtured) homogeneous mixture


5) Groups on the periodic table are organized as:

a) rowsb) columnsc) familiesd) elements with similar size


6) Group 1 elements are known asa) Halogensb) Noble gasesc) Transition metalsd) Alkali metals


7) Alkali metals are grouped together because they share similar

a) sizeb) massc) outer shells of electronsd) number of protons


8) Elements which have characteristics of both metals and non-metals are:

a) transition metalsb) metalloidsc) alkali earth metalsd) halogens

Grade 10 – chemistry practice quiz9) Complete the table

Element name

Atomic Number

Atomic Mass

# of protons

#of neutrons

#of electrons

Lithium a) b) c) d) e)

f) g) 19.00 h) i) j)

k) l) m) n) o) 11


10a) Draw a Bohr diagram for oxygen atom

10b) Draw a Bohr diagram for the oxide ion

11) Give the name and the chemical formula for the compound formed by the following pairs of atoms.

a) sodium and bromine

b) magnesium and chlorine

c) beryllium and phosphorus


1) Identify the physical change in the following list:

a) water boilingb) making toastc) rustingd) food rotting


2) Identify the chemical change in the following list:

a) clouds formingb) ice cream meltingc) food rottingd) breaking glass


3) Substances composed of identical atoms are:

a) compoundsb) elementsc) moleculesd) solutions