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Scientists use symbols to represent elements and compounds. The symbols of a chemical element are abbreviations that are used to denote a chemical element. Typically, they are one or two-letters long with the first letter (only) capitalised; temporary names are three-letters long. !
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Why do chemists use compounds instead of group 1 and 7 elements?
It is because the group 1 and 7 elements have a high reactivity. The reactivity is far too high to use on there own because the elements in these groups react with air and/or water.
Why do scientists use different types of models to represent compounds?
Why do scientists use different types of models to represent compounds?
What rule do you use to identify substance as elements and compounds?
By physical and chemical properties
What equipment do chemists use?
Gloves
The atomic number of potassium is?
Protons that are contained within any and all Atomic [Elemental] Nucleus / Nucleii.
Why do chemists use compounds intead of elements?
Because the compounds have the desired properties, effects and reactions.
Why do chemists use compounds instead of group 1 and 7 elements?
It is because the group 1 and 7 elements have a high reactivity. The reactivity is far too high to use on there own because the elements in these groups react with air and/or water.
Why do scientists use different types of models to represent compounds?
Why do scientists use different types of models to represent compounds?
What do chemist use to stand for atoms or elements?
Atomic symbols are used to represent elements, a negative (-) and a psoitive (+) represent electrons and protons, respectively. Chemicals or other compounds are often written as a combination of atomic symbols with subscripts to indicate the presence of multiple atoms.
What do scientists use to represent how elements react in the presence of other elements?
They use chemical equations.
What are letters you use to represent elements called?
chemical symbol
What rule do you use to identify substance as elements and compounds?
By physical and chemical properties
What do you use to represent an element?
The atomic symbol on the Periodic Table of Elements
How can you use the arrangement of elements in the periodic table to predict how they will react with other elements to form compounds?
bc the valence e-
What is a list of elements and compounds?
For the list of elements see this link.A list of compounds is impossible because more than 60 000 000 substances are know. Look in a catalog of of chemicals for laboratory use.
Which elements do you use to make jewelry?
Transition elements, because of their ability to form coloured compounds due to d-d electronic transitions.
Why you use sodium extract for detection of elements?
we use sodium extract bcz it converts covalent compounds into ionic form..
