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WorksheetsChapter 8 Pop Quiz
Total questions: 12
Worksheet time: 7mins
What is atom?
Atom is consists of two or more atoms
Atom is combination of different atoms
Atom is the smallest particle and basic unit of an element
Atom is the smallest unit and light weight
Which particles has charges?
Molecule
Atom
Ion
Electrons
Example of atom
Helium
Water
Salt
Hydrochloric acid
Which of the particles are chemically combined?
Molecule
Atom
Ion
What is Octet Electron Arrangement?
consists of 8 shells
stable electron arrangement with 8 electrons in 2nd shell
stable electron arrangement with 8 electrons in outermost shell
How is positive ions formed?
contain positive charges
donate electrons
accept electrons
How is negative ions formed?
accept electrons
contain negative charges
donate electrons
What is neutral atom?
No ions
proton number = electrons number
Do not contain positive and negative ions
stable form
Name two types of stable electron arrangement
(a)
What is isotope?
Same number of protons & neutrons
Total number of protons and neutrons
Same number of electrons and protons
What is the electron arrangement before donating its electron?
2.8
2.8.1
2.8.2
2.8.8
Why F received 1 electron?
To be stable form
To achieve stable octet arrangement
To create a negative ion charges
To make the shells electrons number complete
