Elements and compounds are pure chemical substances found in nature. The difference between an element and a compound is that an element is a substance made of same type of atoms, whereas a compound is made of different elements in definite proportions. Examples of elements include iron, copper, hydrogen and oxygen. Examples of compounds include water (H2O) and salt (Sodium Chloride - NaCl)
It will go bad and turn clumpy.. You will not be able to drink it anymore
Answer:
Explanation:
The periodic table of elements is based on the periodic law. This table shows the systematic arrangement of elements based on their atomic numbers into rows and columns.
Scientists use the periodic table to study elements because:
- it provides clues into the physical and chemical properties of elements.
- shows the trends of different properties.
- it makes studies of elements very simple and easy to understand.
- we can identify succinct repeating patterns among elements in the table.
- it provides information about the atomic structures of elements
Answer:
The metal block had a mass of 1.50kg
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