Answer:
Summary. To summarize, the periodic table is important because it is organized to provide a great deal of information about elements and how they relate to one another in one easy-to-use reference. The table can be used to predict the properties of elements, even those that have not yet been discovered.
Answer:
The answer is A. Polar covalent; negatively
Explanation:
Hydrogen bonds form between molecules containing polar covalent bond the hydrogen bond is been a hydrogen atom of one molecule and a partially negative charged atom of another.
Example 
(water):- It contain a slight positive charge on one side and a slight negative charge on the other.
D has the fastest reaction rate because dynamite explodes almost immediately.
A isn't correct because rusting nails take forever to completely rust.
B isn't correct because logs burning can take around 10 to 20 minutes.
C isn't correct because food digestions takes anywhere between 10 minutes to an hour.
Answer:
Velocity = 12 km/h
Explanation:
Velocity can be defined as the division between distance traveled and the time it took for that distance to be traveled:
- Velocity = Distance / Time
With the above information in mind, we can calculate the velocity of the bicycle:
Thus the velocity of the bicycle is 12 kilometers per hour.
A biological mother, A biological father and a child
