The three non metals are chlorine bromine and fluorine. They have similar chemical properties.
Protons
Not particularly. They're both nonmetals, but beyond that they don't have a whole lot in common. They're more similar to each other than either is to sodium, but that's not saying much.
For example iron.
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No. No two elements have the same chemical properties. However, the chemical properties of fluorine and chlorine are similar. Since they are similar, they are placed in the same group, group 17, on the periodic table.
because metalloids usually have properties that are similar to metals and nonmetals
The chemical properties of calcium are most similar to (in between) the chemical properties of magnesium and strontium.
Yes, they have similar chemical properties.
These elements have similar chemical and physical properties.
families of elements with similar chemical properties are called groups.
Protons
Not particularly. They're both nonmetals, but beyond that they don't have a whole lot in common. They're more similar to each other than either is to sodium, but that's not saying much.
Promethium has similar chemical properties as cerium; the oxidation state is 3+.
No; each chemical element has different properties.
For example iron.
a group of elements that have similar properties are arranged one on top of the other on the periodic table. These groups are also called families
Because the elements of the column have similar chemical properties and follow trends in the columns