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WorksheetsPeriodic properties & chemical bonds
Total questions: 20
Worksheet time: 15mins
N or C?
The chemical bond formed when two atoms share electrons is call a(n)
covalent bond
ionic bond
metallic bond
electron bond
An ionic bond is formed when
Valence electrons are shared.
Valence electrons surround the cations.
Valence electrons are transferred between atoms.
Valence electrons are completely transferred between two metals.
Cations are ions with _________ charge.
positive
negative
gains
loses
An atom with 1 valence electron 'needs' a full shell, so it can either gain 7 electrons or lose 1. Which is more likely to occur?
nothing
gain 7
lose 1
What elements generally make an ionic bond ?
Metal and nonmetal
2 or more nonmetals
2 or more metals
2 elements
What is a valence electron?
an electron that is found in the outermost shell of an atom
an electron found in the innermost shell of an atom
an electron found in the middle shell
an electon found in the nucleus
What is the number of valence electrons of Oxygen?
1
2
6
8
What is the number of valence electrons of Neon?
6
7
8
9
How many valence electrons in this structure ?
4
5
6
7
Predict the bond that will form between Se and Cl
Ionic-bond
Covalent-bond
Metallic-bond
Hydrogen-bond
Predict the bond formed between Be and F
Covalent-bond
Ionic-bond
Metallic-bond
Hydrogen-bond
What type of diagram is this?
Lewis dot structure
Bohr dot Model
Chemical Diagram
Electron Dot Diagram
