64 Questions
What is a common characteristic of alkali metals?
They are highly reactive, especially with water.
What is the general electron configuration of alkaline earth metals?
[noble gas]ns²
Which group of elements has a variable electron configuration?
Groups 3-12: Transition Metals
What is a characteristic of group 14 elements?
They contain non-metals, metalloids, and metals.
What is the general electron configuration of group 15 elements?
[noble gas]ns²np³
Which element is essential for respiration?
Oxygen (O)
What is a characteristic of group 1 and group 2 elements?
They are highly reactive and have high melting points.
What is the general trend of reactivity in group 1 and group 2 elements?
Reactivity increases down the group.
What is a characteristic of group 17 elements?
They are very reactive non-metals.
What is the general electron configuration of group 17 elements?
[noble gas]ns²np⁵
What happens to the reactivity of group 17 elements as you move down the group?
It decreases.
What is a characteristic of group 18 elements?
They are inert gases.
What is the general trend in atomic radius as you move down a group?
It increases.
What is the general trend in ionisation energy as you move down a group?
It decreases.
What is the general trend in electronegativity as you move down a group?
It decreases.
What is a characteristic of group 1 elements?
They have a single electron in their outermost shell.
What is the primary reason for the reactivity of alkali metals?
Their ability to easily lose one electron
Which group of elements has the highest melting points and densities?
Transition metals
Which element is a major component of the Earth's atmosphere?
Nitrogen
What is the general trend of reactivity in group 13 elements?
Varies down the group
Which group of elements includes metals, metalloids, and non-metals?
Group 14
What is the electron configuration of iron?
Variable, involving d-electrons
Which group of elements has the highest ionization energy?
Group 18: Noble gases
What is the characteristic of group 16 elements that makes them essential for life?
Their role in respiration
Which group of elements is characterized by being very reactive non-metals?
Group 17
What is the general trend in atomic radius as you move down a group of elements?
It increases
Which of the following elements is an example of a noble gas?
Neon
What is the general trend in electronegativity as you move down a group of elements?
It decreases
What is the general electron configuration of Group 17 elements?
[noble gas]ns²np⁵
What is the general trend in reactivity of Group 17 elements as you move down the group?
It decreases
What is the general trend in density as you move down a group of elements?
It increases
Which group of elements has a characteristic of being inert gases?
Group 18
What is the primary reason for the reactivity of halogens?
Their electron shells are incomplete
What is the general trend in melting and boiling points down a group of elements?
They vary widely depending on the type of element
What is the characteristic of noble gases that makes them unreactive?
Their electron shells are complete
What is the general trend in atomic radius as you move down a group of elements?
It increases
What happens to the ionisation energy of elements as you move down a group?
It decreases
What is the general trend in electronegativity as you move down a group of elements?
It generally decreases
What is the characteristic of halogens that makes them form salts when combined with metals?
They are highly reactive
What is the general trend in density as you move down a group of elements?
It typically increases
Which group of elements is characterized by having a general electron configuration of [noble gas]ns²np⁴?
Group 16
What is the general trend in reactivity of Transition Metals?
Varies down the group
Which group of elements has a characteristic of having high melting points and densities?
Transition Metals
What is the general electron configuration of Alkali Metals?
[noble gas]ns¹
Which element is a major component of the Earth's atmosphere?
Nitrogen
Which group of elements has a characteristic of being highly reactive, especially with water?
Alkali Metals
Which group of elements includes non-metals, metalloids, and metals?
Group 14
What is the general trend in reactivity of Alkaline Earth Metals?
Increases down the group
What is the general trend in the reactivity of Group 17 elements as you move down the group?
It decreases.
What is the general electron configuration of Group 18 elements?
[noble gas]ns²np⁶
Which of the following is a characteristic of Group 17 elements?
They are very reactive non-metals.
What is the general trend in ionisation energy as you move down a group?
It decreases.
What is the general trend in atomic radius as you move down a group?
It increases.
What is the general trend in electronegativity as you move down a group?
It decreases.
What is the general trend in density as you move down a group?
It increases.
Which group of elements has a characteristic of being inert gases?
Group 18
What is the general trend of reactivity in group 1 and group 2 elements as you move down the group?
It increases in both groups
Which group of elements has the characteristic of being shiny, but tarnish quickly when exposed to air?
Alkali Metals
What is the general electron configuration of the elements in group 16?
[noble gas]ns²np⁴
Which group of elements includes metals, metalloids, and non-metals and has a variable electron configuration?
Group 14
What is the characteristic of the elements in group 3-12 that distinguishes them from other groups?
They are often colored
Which group of elements has the characteristic of being highly reactive, especially with water, and having a general electron configuration of [noble gas]ns¹?
Alkali Metals
What is the characteristic of the elements in group 15 that makes them essential for life?
They are essential for respiration
Which group of elements has the characteristic of having high melting points and densities and often forming colored compounds?
Transition Metals
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