C.) wash hands, utensils, and surfaces with hot soapy water
What is it you need help on? there is nothing here????
ANSWER:
<u><em>Answer:</em></u>
- A pure substance that contains more than one atom is called a compound.
<u><em>Explanation:</em></u>
- Compounds are formed by combination of atoms by a fixed ratio. They have their own characteristic features.
- Pure substances are further broken down into elements and compounds. A compound can be destroyed by chemical means. It might be broken down into simpler compounds, into its elements or a combination of the two.
<u><em>Example </em></u>
- H2SO4 which is formed by combination of three different atoms like H, S and O.
The answer is:
- metalloids are semiconductive.
- metalloids are amphoteric.
The explanation:
The metalloids are only 6 elements in the periodic table which are boron, silicon, germanium, arsenic, antimony, and tellurium. And its properties are intermediate between the nonmetal and the metal. and their properties are brittle, shiny ,solid. but the properties that are unique to metalloids.