WorksheetsSec 3NA - Atomic structure & Ionic bonding
Total questions: 12
Worksheet time: 8mins
What are the subatomic particles found in an ATOM?
Protons
Neutrons
Nanotrons
Electrons
Which of the following about an ATOM is true?
Number of protons = Number of electrons
Number of Protons = Number of Neutrons.
Number of Electrons = Number of Neutrons.
Which of the following is true about this atom?
Li has 4 protons.
Li has 4 neutrons.
Li has 4 electrons
Li has 7 protons.
The electronic configuration of Li is?
2,5
2,2
2,3
2,1
An atom that has gained or lost electrons is called a/an _____.
molecule
ion
isotope
element
Ionic bonds form between metals and ____.
metalloids
metals
non-metals
Magnesium atom has the electronic configuration of _______.
Magnesium atom will ____ valence electrons when forming an ionic bond.
2,8,2; share 2
2,8,2; gain 6
2,8,2; lose 2
2,8,2; gain 2
Chlorine atom has the electronic configuration of ______.
Chlorine atom _________ electron(s) to form chloride ion.
2,8,7; loses 7
2,8,7; gains 1
2,8,7; shares 1
2,8,7; shares 7
Metals _____ valence electron(s) to form _________ ions.
gain ; positive
gain ; negative
lose ; positive
lose ; negative
Non-metals _____ valence electron(s) to form _________ ions.
lose ; positive
lose ; negative
gain ; positive
gain ; negative
