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WorksheetsQuiz 4 Review
Total questions: 25
Worksheet time: 25mins
The periodic table was initially organized by
atomic number
atomic weight
chemical and physical properties
element size
The metals sodium, lithium and potassium were group together because:
They were all shiny
They all reacted violently with water
They conducted heat and electricity well
All of the above
Mendeleev sorted the periodic table based on:
Properties of the elements
Their correct groups
Whether the element had been officially discovered
None of the above
Henry Moseley discovered that:
Elements had the different numbers of electrons.
Elements had different numbers of protons.
Elements had different atomic weights.
Elements had different atomic numbers.
The elements in the modern periodic table is ordered according to:
Atomic weight
Chemical and physical properties
Atomic number
Group
The non-metals can mostly be found in the following groups of the periodic table:
Groups 1 and 2
Groups 13-17 and 18
Groups 3-12
Group 18
Metalloids can be defined as:
Elements which possess the properties of both metals and non-metals
Elements which are very similar to metals
Semi-conductors
Elements which are very similar to non-metals
Which of the following is not a physical property seen in a metallic element?
Able to be drawn into wires
Ability to be bent into shapes
Conducts electricity
Having a low melting point
Non-metals...
Accept or share electrons in a chemical reaction.
Lose electrons in a chemical reaction
React with acid to produce hydrogen gas
Corrode in air or seawater.
An example of a non-metal is:
Mercury
Sulfur
Silicon
Calcium
Elements which are in the same horizontal row are said to be in the same:
group
row
period
column
Elements which are in the same vertical column are said to be in the same:
group
row
period
column
Elements in group one will have _______ valence electron(s)
The same as the atomic number
2
1
1 or 2
Elements in group 17 will have ______ valence electrons
10
17
2
7
The number of valence electrons...
Increases across a period
Decreases across a period
Increases down a group
Decreases down a group
Ions are:
Neutral atoms
Atoms which have lost or gained electrons
Atoms which have the same number of electrons and protons
Electrons that have been lost from an atom
The valency of the magnesium ion is:
0
1
2
3
The symbol for the sulfide ion (Sulfur) is:
S-2
S+2
S
Si
The ion F-1 has:
Lost electrons in order to have a full valence shell
Gained electrons in order to have a full valence shell
Has the same number of electrons as the element fluorine
Is a neutral atom
The P-3 ion is called:
Phosphorous
Phosphate
Phosphide
Phosphite
Based on the periodic trends for ionization energy, which element has the highest ionization energy?
fluorine (F)
nitrogen (N)
helium (He)
carbon (C)
The ability of an atom to accept an electron
Electron affinity
Electronegativity
Ionization energy
Metallic character
The ability of an atom to attract an electron based on the number of valence electrons it has is
Electron affinity
Electronegativity
Ionization energy
Metallic character
The energy required to remove an electron from a neutral atom
Electron affinity
Electronegativity
Ionization energy
Metallic character
How readily an atom loses an electron and forms a positive ion
Electron affinity
Electronegativity
Ionization energy
Metallic character
