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WorksheetsF2 chemistry progress test
Total questions: 14
Worksheet time: 11mins
Masses of elements in periodic table are measured relative to
mass of 1 electron
mass of 1 hydrogen atom
mass of 1/12 carbon atom
mass of 12 carbon atoms
For an atom with no charge, the atomic № is equal to
№ of protons
№ of neutrons
№ of protons and electrons
№ of protons and neutrons
Which of the following chemical elements has 12 neutrons?
Argon (Ar)
Carbon (C)
Number of electron shells (levels) in the atom is equal to
atomic №
group №
period №
mass №
Which element is an alkali metal?
chlorine (Cl)
potassium (K)
oxygen (O)
argon (Ar)
Which of the following elements is NOT a noble gas?
argon
neon
xenon
silicon
Noble gases are unreactive because
they are gases
they have molecules made of one atom
they have complete outer shell
they have equal number of protons and neutrons
Which halogen is a solid at room temperature?
fluorine
chlorine
bromine
iodine
Which of the following elements has the highest value of electronegativity?
Fluorine (F)
Nitrogen (N)
Sodium (Na)
Francium (Fr)
Choose the correct electron configuration for fluorine, 9F?
[9]
[7.2]
[2.7]
[10.9]
Electrostatic attraction between two oppositely charged ions is called
covalent polar bond
covalent non-polar bond
metallic bond
ionic bond
Which molecule has a covalent double bond?
hydrogen (H2)
chlorine (Cl2)
nitrogen (N2)
oxygen (O2)
Which of the following compounds is likely to have an ionic bonding?
Carbon monoxide CO
Hydrogen chloride HCl
Potassium fluoride KF
Methane CH4
What is the name of your chemistry teacher?
Alex
Oleg
Anton
Veronica
