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Why might it be important for scientist to know how elements are similar or different?
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How does the modern periodic table help scientist study elements?
It groups together elements with similar properties.
What is an organizational tool used by scientist to order the elements by atomic number and similar properties?
periodic table
Which elements have similar chemical properties in sulphur and helium?
Sulphur and helium have entirely different properties. Sulphur has properties similar to group 16 elements. Helium has properties similar to group 18 elements.
What is a tool scientist use to organize the elements?
The elements are arranged in the increasing order of their atomic number and repeating properties.
How did Mendeleev list the elements?
The most important principle was the listing in groups, after similar chemical or physical properties.
How does the modern periodic table help scientist study elements?
It groups together elements with similar properties.
Are copper and silver similar or different?
They are different elements but they are similar in that they are both metals.
What is an organizational tool used by scientist to order the elements by atomic number and similar properties?
periodic table
Do compounds of different elements have similar properties?
Generally the properties are different.
Which elements have similar chemical properties in sulphur and helium?
Sulphur and helium have entirely different properties. Sulphur has properties similar to group 16 elements. Helium has properties similar to group 18 elements.
Why are atoms and elements alike?
Because the differences in atoms make different elements. Elements are multiple of similar atoms.
What is a tool scientist use to organize the elements?
The elements are arranged in the increasing order of their atomic number and repeating properties.
Are phosphorus and argon similar?
Phosphorus and argon are very different chemical elements.
What scientist created the periodic table?
Dmitri Mendeleev was the first scientist to create a periodic table of the elements similar to the one we use today. This table showed that when the elements were ordered by increasing atomic weight, a pattern appeared where properties of the elements repeated periodically.
Can compounds composed of different elements have similar properties?
Yes. (Salts are a good example of this.)
Do strontium and iodine have similar properties?
Strontium and iodine are very different chemical elements.
How did Mendeleev list the elements?
The most important principle was the listing in groups, after similar chemical or physical properties.
