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30 terms

The Elements - 5

STUDY
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Sodium and potassium are the most abundant alkali metals.
True
The order of reactivity of the alkaline earth metals, from most to least reactive, is beryllium, magnesium, calcium, strontium, and barium.
False
Alkaline earth metals do not react with oxygen.
False
Elements in the same group have similar chemical properties because
they have the same number of valence electrons.
Which of the following statements does NOT describe the alkali metals?
They easily gain an electron to form ions with a charge of -1.
Which statement best describes the relationship between boron and silicon?
They have a diagonal relationship.
Choose the element that would be the most reactive of the three.
K
What happens when a hydrogen atom acts like a nonmetal in a chemical reaction?
It gains an electron.
Which of the following is an alkaline earth metal?
Beryllium
What are the features of alkali metals?
Metallic, soft, low density, highly reactive
The elements in group 7A have one valence electron.
False
The major industrial use for nitrogen is to make ____.
ammonia.
Which of the following groups consists of reactive p-block elements?
Group 3A
What are the different forms of an element in the same physical state but with different structures and properties called?
Allotropes
Which allotrope of carbon has a three-dimensional solid structure?
Diamond
Which p block element has 7 valence electrons?
Cl
Which of the following is an example of a carbon allotrope?
Diamond
Used to strengthen teeth.
Fluorine
Bonds between inert gases and other elements create what type of substance?
Explosives
Which is an allotrope of oxygen?
Ozone
Which of the following is a characteristic common to the transition metals?
Most will readily form ions.
Where does the final electron enter in an inner transition metal?
f sublevel
At what sublevel does the final electron enter a transition metal?
d sublevel
Moving from left to right across _____, electrons are being added to the 4f orbitals.
the lanthanides
Which of the following is true about the actinide series?
They are members of Period 7.
Their final electron enters the f-sublevel.
They are inner transition metals.
Which of the following metals is NOT extracted from the Earth using metallurgy?
Copper
Chromium
Iron
The d-block elements are known as ____________________.
transition metals
The property of strong attraction of a substance to a magnetic field is called
polarity
How do electron arrangements help make metals shiny?
When metal atoms are together there are semi-loose electrons around the atoms which move about freely among the metal atoms making what is called an electron gas
What do iron and nickel have in common?
They are both used as catalysts to produce common household products.