0
Hydrogen & Lithium 😄
What else can I help you with?
Name two characteristics of the elements in the first group?
Elements in the first group of the periodic table, also known as Group 1 or the alkali metals, are highly reactive due to their single valence electron. They are soft metals that can be easily cut with a knife and have low melting and boiling points compared to other metals.
Are group one or group two more reactive?
Group one elements are generally more reactive than group two elements. This is because group one elements have one electron in their outermost shell, making them more willing to react and form compounds in order to achieve a stable electron configuration. Group two elements have two electrons in their outermost shell, which makes them less reactive than group one elements.
What is method of calculating a valency of an element?
The valency of first four main group elements is equal to their group numbers but elements from Group 5 to 8 have two valencies one equal to group number and second is obtained by subtracting group number from 8.
What are two characteristics do all elements share?
Nothing, there not the same. They don't share characteristics.
What are two physical characteristics of group 15?
The elements of group 15 vary widely in the physical properties, from gaseous nitrogen (N) to non-metal solid phosphorus (P) to metalloid antimony (Sb) to soft metal bismuth (Bi). However, all react similarly in chemical reactions with three valence electrons.
Why do elements in group 2 have the same properties?
Elements in group 2, like beryllium, magnesium, calcium, etc., have similar properties because they all have the same number of valence electrons (2). This results in common characteristics such as reactivity and the ability to form 2+ ions.
Radium is in group 2 of the periodic table what does group mean?
In the periodic table, elements are organized into groups that have similar chemical properties. Group 2 elements, also known as the alkaline earth metals, share characteristics such as forming 2+ cations and reacting with water to produce alkaline solutions.
Two elements that have properties similar to those of chlorine are?
Bromine and iodine are two elements that have similar properties to chlorine because they belong to the same group in the periodic table, known as the halogens. They share characteristics such as being highly reactive nonmetals with similar bonding behavior and reactivity.
What group on the periodic table gains two electrons?
Group 16 elements.
What are the two characteristics of the platypus that cause it to be classified in the group of mammals?
The two definitive characteristics that make the platypus a mammal are: 1. It nurtures its young on mothers' milk. 2. It has fur. No other group of animals both these characteristics.
What are the two names of the vertical columns of the periodic table?
The two names of the vertical columns of the periodic table are "groups" and "families." Each group contains elements that have similar chemical properties and share the same number of valence electrons. Groups are numbered from 1 to 18, with elements in the same group exhibiting predictable trends in reactivity and other characteristics.
Which two groups of elements are never found uncombined in nature?
group 1 elements
