Answer:
Explanation:
7A 0.2
7B cork
7C Yes because the lighter it is the more likely it will float
7D Density is one of the fundamental scientific principles of life. It can describe any everyday object. Despite its significance, students often struggle to understand what it really is. Density is a measurement of how much space or volume is packed in an object or substance.
8 property means a characteristic or trait that you can use to describe matter by observation, measurement, or combination.
Answer:
First one: group
Second one: period
Third one: number of valence electrons
Last one: increases
Answer:
no
Explanation:
A compound is a material formed by chemically bonding two or more chemical elments.
