The valence electrons increase as you move left to right.
3. A chemical symbol designates an element that belongs to the periodic table. A chemical formula combines two or more symbols and it represents a chemical compound.
4.A mixture is made of two or more substances—elements, compounds, or both—that are together in the same place but are not chemically combined. Example: vegetable soup!Mixtures differ from compounds intwo ways: Each substance in a mixturekeeps its individual properties.
5.filtration, evaporation, distillation, chromatography
Answer:
Explanation:
Given:
- average walking speed,
- average biking speed,
<u>According to given condition:</u>
where:
time taken to reach the building by walking
time taken to reach the building by biking
We know that,
so,
energy. It will not disrupt the picture developing process by overexposing too much light on the film.
